MODULE_big = pg_dbms_stats
OBJS = pg_dbms_stats.o dump.o import.o
-DBMSSTATSVER = 1.3.4
+DBMSSTATSVER = 1.3.5
DOCDIR = doc
EXTDIR = ext_scripts
CHECKING=$(shell echo $(LAST_LIBPATH)| grep './tmp_check/install/' | wc -l)
EXTENSION = pg_dbms_stats
-DATA = pg_dbms_stats--1.3.4.sql pg_dbms_stats--1.0--1.3.2.sql pg_dbms_stats--1.3.2--1.3.3.sql pg_dbms_stats--1.3.3--1.3.4.sql
REGRESS = init-common ut_fdw_init init-$(MAJORVERSION) ut-common \
ut-$(MAJORVERSION) ut_imp_exp-$(MAJORVERSION)
REGRESS_OPTS = --encoding=UTF8 --temp-config=regress.conf --extra-install=contrib/file_fdw
+DATA = pg_dbms_stats--1.3.5.sql pg_dbms_stats--1.0--1.3.2.sql pg_dbms_stats--1.3.2--1.3.3.sql pg_dbms_stats--1.3.3--1.3.4.sql pg_dbms_stats--1.3.4--1.3.5.sql
+
DOCS = $(DOCDIR)/export_effective_stats-$(MAJORVERSION).sql.sample \
$(DOCDIR)/export_plain_stats-$(MAJORVERSION).sql.sample
include $(top_srcdir)/contrib/contrib-global.mk
endif
-ifeq "$(MAJORVERSION)" "9.4"
-MAJORVERSION=9.3
-endif
ifeq "$(MAJORVERSION)" "9.5"
-MAJORVERSION=9.3
+MAJORVERSION=9.4
endif
TARSOURCES = Makefile *.c *.h \
## Set general information for pg_dbms_stats.
Summary: Plan Stabilizer for PostgreSQL 9.1
Name: pg_dbms_stats91
-Version: 1.3.4
-Release: 2%{?dist}
+Version: 1.3.5
+Release: 1%{?dist}
License: BSD
Group: Applications/Databases
Source: %{name}-%{version}.tar.gz
install -d %{buildroot}%{_libdir}
install -m 755 pg_dbms_stats.so %{buildroot}%{_libdir}/pg_dbms_stats.so
install -d %{buildroot}%{_datadir}/extension
-install -m 644 pg_dbms_stats--1.3.4.sql %{buildroot}%{_datadir}/extension/pg_dbms_stats--1.3.4.sql
+install -m 644 pg_dbms_stats--1.3.5.sql %{buildroot}%{_datadir}/extension/pg_dbms_stats--1.3.5.sql
install -m 644 pg_dbms_stats--1.0--1.3.2.sql %{buildroot}%{_datadir}/extension/pg_dbms_stats--1.0--1.3.2.sql
install -m 644 pg_dbms_stats--1.3.2--1.3.3.sql %{buildroot}%{_datadir}/extension/pg_dbms_stats--1.3.2--1.3.3.sql
install -m 644 pg_dbms_stats--1.3.3--1.3.4.sql %{buildroot}%{_datadir}/extension/pg_dbms_stats--1.3.3--1.3.4.sql
+install -m 644 pg_dbms_stats--1.3.4--1.3.5.sql %{buildroot}%{_datadir}/extension/pg_dbms_stats--1.3.4--1.3.5.sql
install -m 644 pg_dbms_stats.control %{buildroot}%{_datadir}/extension/pg_dbms_stats.control
install -d %{buildroot}%{_docdir}/extension
install -m 644 doc/export_effective_stats-9.1.sql.sample %{buildroot}%{_docdir}/extension/export_effective_stats-9.1.sql.sample
%defattr(0755,root,root)
%{_libdir}/pg_dbms_stats.so
%defattr(0644,root,root)
-%{_datadir}/extension/pg_dbms_stats--1.3.4.sql
+%{_datadir}/extension/pg_dbms_stats--1.3.5.sql
%{_datadir}/extension/pg_dbms_stats--1.0--1.3.2.sql
%{_datadir}/extension/pg_dbms_stats--1.3.2--1.3.3.sql
%{_datadir}/extension/pg_dbms_stats--1.3.3--1.3.4.sql
+%{_datadir}/extension/pg_dbms_stats--1.3.4--1.3.5.sql
%{_datadir}/extension/pg_dbms_stats.control
%{_docdir}/extension/export_effective_stats-9.1.sql.sample
%{_docdir}/extension/export_plain_stats-9.1.sql.sample
## Set general information for pg_dbms_stats.
Summary: Plan Stabilizer for PostgreSQL 9.2
Name: pg_dbms_stats92
-Version: 1.3.4
-Release: 2%{?dist}
+Version: 1.3.5
+Release: 1%{?dist}
License: BSD
Group: Applications/Databases
Source: %{name}-%{version}.tar.gz
install -d %{buildroot}%{_libdir}
install -m 755 pg_dbms_stats.so %{buildroot}%{_libdir}/pg_dbms_stats.so
install -d %{buildroot}%{_datadir}/extension
-install -m 644 pg_dbms_stats--1.3.4.sql %{buildroot}%{_datadir}/extension/pg_dbms_stats--1.3.4.sql
+install -m 644 pg_dbms_stats--1.3.5.sql %{buildroot}%{_datadir}/extension/pg_dbms_stats--1.3.5.sql
install -m 644 pg_dbms_stats--1.0--1.3.2.sql %{buildroot}%{_datadir}/extension/pg_dbms_stats--1.0--1.3.2.sql
install -m 644 pg_dbms_stats--1.3.2--1.3.3.sql %{buildroot}%{_datadir}/extension/pg_dbms_stats--1.3.2--1.3.3.sql
install -m 644 pg_dbms_stats--1.3.3--1.3.4.sql %{buildroot}%{_datadir}/extension/pg_dbms_stats--1.3.3--1.3.4.sql
+install -m 644 pg_dbms_stats--1.3.4--1.3.5.sql %{buildroot}%{_datadir}/extension/pg_dbms_stats--1.3.4--1.3.5.sql
install -m 644 pg_dbms_stats.control %{buildroot}%{_datadir}/extension/pg_dbms_stats.control
install -d %{buildroot}%{_docdir}/extension
install -m 644 doc/export_effective_stats-9.2.sql.sample %{buildroot}%{_docdir}/extension/export_effective_stats-9.2.sql.sample
%defattr(0755,root,root)
%{_libdir}/pg_dbms_stats.so
%defattr(0644,root,root)
-%{_datadir}/extension/pg_dbms_stats--1.3.4.sql
+%{_datadir}/extension/pg_dbms_stats--1.3.5.sql
%{_datadir}/extension/pg_dbms_stats--1.0--1.3.2.sql
%{_datadir}/extension/pg_dbms_stats--1.3.2--1.3.3.sql
%{_datadir}/extension/pg_dbms_stats--1.3.3--1.3.4.sql
+%{_datadir}/extension/pg_dbms_stats--1.3.4--1.3.5.sql
%{_datadir}/extension/pg_dbms_stats.control
%{_docdir}/extension/export_effective_stats-9.2.sql.sample
%{_docdir}/extension/export_plain_stats-9.2.sql.sample
## Set general information for pg_dbms_stats.
Summary: Plan Stabilizer for PostgreSQL 9.3
Name: pg_dbms_stats93
-Version: 1.3.4
-Release: 2%{?dist}
+Version: 1.3.5
+Release: 1%{?dist}
License: BSD
Group: Applications/Databases
Source: %{name}-%{version}.tar.gz
install -d %{buildroot}%{_libdir}
install -m 755 pg_dbms_stats.so %{buildroot}%{_libdir}/pg_dbms_stats.so
install -d %{buildroot}%{_datadir}/extension
-install -m 644 pg_dbms_stats--1.3.4.sql %{buildroot}%{_datadir}/extension/pg_dbms_stats--1.3.4.sql
+install -m 644 pg_dbms_stats--1.3.5.sql %{buildroot}%{_datadir}/extension/pg_dbms_stats--1.3.5.sql
install -m 644 pg_dbms_stats--1.0--1.3.2.sql %{buildroot}%{_datadir}/extension/pg_dbms_stats--1.0--1.3.2.sql
install -m 644 pg_dbms_stats--1.3.2--1.3.3.sql %{buildroot}%{_datadir}/extension/pg_dbms_stats--1.3.2--1.3.3.sql
install -m 644 pg_dbms_stats--1.3.3--1.3.4.sql %{buildroot}%{_datadir}/extension/pg_dbms_stats--1.3.3--1.3.4.sql
+install -m 644 pg_dbms_stats--1.3.4--1.3.5.sql %{buildroot}%{_datadir}/extension/pg_dbms_stats--1.3.4--1.3.5.sql
install -m 644 pg_dbms_stats.control %{buildroot}%{_datadir}/extension/pg_dbms_stats.control
install -d %{buildroot}%{_docdir}/extension
install -m 644 doc/export_effective_stats-9.3.sql.sample %{buildroot}%{_docdir}/extension/export_effective_stats-9.3.sql.sample
%defattr(0755,root,root)
%{_libdir}/pg_dbms_stats.so
%defattr(0644,root,root)
-%{_datadir}/extension/pg_dbms_stats--1.3.4.sql
+%{_datadir}/extension/pg_dbms_stats--1.3.5.sql
%{_datadir}/extension/pg_dbms_stats--1.0--1.3.2.sql
%{_datadir}/extension/pg_dbms_stats--1.3.2--1.3.3.sql
%{_datadir}/extension/pg_dbms_stats--1.3.3--1.3.4.sql
+%{_datadir}/extension/pg_dbms_stats--1.3.4--1.3.5.sql
%{_datadir}/extension/pg_dbms_stats.control
%{_docdir}/extension/export_effective_stats-9.3.sql.sample
%{_docdir}/extension/export_plain_stats-9.3.sql.sample
## Set general information for pg_dbms_stats.
Summary: Plan Stabilizer for PostgreSQL 9.4
Name: pg_dbms_stats94
-Version: 1.3.4
-Release: 2%{?dist}
+Version: 1.3.5
+Release: 1%{?dist}
License: BSD
Group: Applications/Databases
Source: %{name}-%{version}.tar.gz
install -d %{buildroot}%{_libdir}
install -m 755 pg_dbms_stats.so %{buildroot}%{_libdir}/pg_dbms_stats.so
install -d %{buildroot}%{_datadir}/extension
-install -m 644 pg_dbms_stats--1.3.4.sql %{buildroot}%{_datadir}/extension/pg_dbms_stats--1.3.4.sql
+install -m 644 pg_dbms_stats--1.3.5.sql %{buildroot}%{_datadir}/extension/pg_dbms_stats--1.3.5.sql
install -m 644 pg_dbms_stats.control %{buildroot}%{_datadir}/extension/pg_dbms_stats.control
install -d %{buildroot}%{_docdir}/extension
-install -m 644 doc/export_effective_stats-9.3.sql.sample %{buildroot}%{_docdir}/extension/export_effective_stats-9.4.sql.sample
-install -m 644 doc/export_plain_stats-9.3.sql.sample %{buildroot}%{_docdir}/extension/export_plain_stats-9.4.sql.sample
+install -m 644 doc/export_effective_stats-9.4.sql.sample %{buildroot}%{_docdir}/extension/export_effective_stats-9.4.sql.sample
+install -m 644 doc/export_plain_stats-9.4.sql.sample %{buildroot}%{_docdir}/extension/export_plain_stats-9.4.sql.sample
%clean
rm -rf %{buildroot}
%defattr(0755,root,root)
%{_libdir}/pg_dbms_stats.so
%defattr(0644,root,root)
-%{_datadir}/extension/pg_dbms_stats--1.3.4.sql
+%{_datadir}/extension/pg_dbms_stats--1.3.5.sql
%{_datadir}/extension/pg_dbms_stats.control
%{_docdir}/extension/export_effective_stats-9.4.sql.sample
%{_docdir}/extension/export_plain_stats-9.4.sql.sample
--- /dev/null
+CREATE MATERIALIZED VIEW s0.smv0 AS
+SELECT st0.id,
+ st0.num,
+ st2.txt
+ FROM s0.st0,s0.st2
+ WHERE st0.id = st2.id
+ ORDER BY id;
+CREATE VIEW plain_relations_statistic_v AS
+SELECT oid::regclass,
+ relpages,
+ reltuples,
+ relallvisible,
+ pg_relation_size(oid) / 8192 curpages
+ FROM pg_class
+ ORDER BY oid::regclass::text;
+CREATE VIEW relations_locked_v AS
+SELECT relid::regclass,
+ relname,
+ relpages,
+ reltuples,
+ relallvisible,
+ curpages
+ FROM dbms_stats._relation_stats_locked
+ ORDER BY relid;
+CREATE VIEW relations_backup_v AS
+SELECT id,
+ relid::regclass,
+ relname,
+ relpages,
+ reltuples,
+ relallvisible,
+ curpages
+ FROM dbms_stats.relation_stats_backup
+ ORDER BY id, relid;
+CREATE VIEW plain_columns_statistic_v AS
+SELECT starelid::regclass, staattnum, stainherit,
+ stanullfrac, stawidth, stadistinct,
+ stakind1, stakind2, stakind3, stakind4, stakind5,
+ staop1, staop2, staop3, staop4, staop5,
+ stanumbers1, stanumbers2, stanumbers3, stanumbers4, stanumbers5,
+ stavalues1::text, stavalues2::text, stavalues3::text, stavalues4::text, stavalues5::text
+ FROM pg_statistic
+ ORDER BY starelid, staattnum, stainherit;
+CREATE VIEW columns_locked_v AS
+SELECT starelid::regclass, staattnum, attname, stainherit,
+ stanullfrac, stawidth, stadistinct,
+ stakind1, stakind2, stakind3, stakind4, stakind5,
+ staop1, staop2, staop3, staop4, staop5,
+ stanumbers1, stanumbers2, stanumbers3, stanumbers4, stanumbers5,
+ stavalues1, stavalues2, stavalues3, stavalues4, stavalues5
+ FROM dbms_stats._column_stats_locked c
+ JOIN pg_attribute a
+ ON (c.starelid = a.attrelid AND c.staattnum = a.attnum)
+ ORDER BY starelid, staattnum, stainherit;
+CREATE VIEW columns_backup_v AS
+SELECT id, statypid,
+ starelid::regclass, staattnum, stainherit,
+ stanullfrac, stawidth, stadistinct,
+ stakind1, stakind2, stakind3, stakind4, stakind5,
+ staop1, staop2, staop3, staop4, staop5,
+ stanumbers1, stanumbers2, stanumbers3, stanumbers4, stanumbers5,
+ stavalues1, stavalues2, stavalues3, stavalues4, stavalues5
+ FROM dbms_stats.column_stats_backup
+ ORDER BY id, starelid, staattnum, stainherit;
+CREATE TABLE dbms_stats.work (
+ nspname name NOT NULL,
+ relname name NOT NULL,
+ relpages int4 NOT NULL,
+ reltuples float4 NOT NULL,
+ relallvisible int4 NOT NULL,
+ curpages int4 NOT NULL,
+ last_analyze timestamp with time zone,
+ last_autoanalyze timestamp with time zone,
+ attname name,
+ nspname_of_typename name,
+ typname name,
+ atttypmod int4,
+ stainherit bool,
+ stanullfrac float4,
+ stawidth int4,
+ stadistinct float4,
+ stakind1 int2,
+ stakind2 int2,
+ stakind3 int2,
+ stakind4 int2,
+ stakind5 int2,
+ staop1 oid,
+ staop2 oid,
+ staop3 oid,
+ staop4 oid,
+ staop5 oid,
+ stanumbers1 float4[],
+ stanumbers2 float4[],
+ stanumbers3 float4[],
+ stanumbers4 float4[],
+ stanumbers5 float4[],
+ stavalues1 dbms_stats.anyarray,
+ stavalues2 dbms_stats.anyarray,
+ stavalues3 dbms_stats.anyarray,
+ stavalues4 dbms_stats.anyarray
+ ,stavalues5 dbms_stats.anyarray
+);
+CREATE VIEW work_v AS
+SELECT nspname, relname, relpages, reltuples, relallvisible,
+ curpages, attname, nspname_of_typename, typname, atttypmod,
+ stainherit, stanullfrac, stawidth, stadistinct,
+ stakind1, stakind2, stakind3, stakind4, stakind5,
+ staop1, staop2, staop3, staop4, staop5,
+ stanumbers1, stanumbers2, stanumbers3, stanumbers4, stanumbers5,
+ stavalues1, stavalues2, stavalues3, stavalues4, stavalues5
+ FROM dbms_stats.work
+ ORDER BY nspname, relname, attname, stainherit;
+ANALYZE s0.sft0;
--- /dev/null
+\pset null '(null)'
+/*
+ * No.2-1 table definitions.
+ */
+-- No.2-1-1
+\d dbms_stats.backup_history
+ Table "dbms_stats.backup_history"
+ Column | Type | Modifiers
+---------+--------------------------+------------------------------------------------------------------------
+ id | bigint | not null default nextval('dbms_stats.backup_history_id_seq'::regclass)
+ time | timestamp with time zone | not null
+ unit | character(1) | not null
+ comment | text |
+Indexes:
+ "backup_history_pkey" PRIMARY KEY, btree (id)
+Referenced by:
+ TABLE "dbms_stats.column_stats_backup" CONSTRAINT "column_stats_backup_id_fkey" FOREIGN KEY (id) REFERENCES dbms_stats.backup_history(id) ON DELETE CASCADE
+ TABLE "dbms_stats.relation_stats_backup" CONSTRAINT "relation_stats_backup_id_fkey" FOREIGN KEY (id) REFERENCES dbms_stats.backup_history(id) ON DELETE CASCADE
+
+-- No.2-1-2
+\d dbms_stats.column_stats_backup
+ Table "dbms_stats.column_stats_backup"
+ Column | Type | Modifiers
+-------------+---------------------+-----------
+ id | bigint | not null
+ statypid | oid | not null
+ starelid | oid | not null
+ staattnum | smallint | not null
+ stainherit | boolean | not null
+ stanullfrac | real | not null
+ stawidth | integer | not null
+ stadistinct | real | not null
+ stakind1 | smallint | not null
+ stakind2 | smallint | not null
+ stakind3 | smallint | not null
+ stakind4 | smallint | not null
+ stakind5 | smallint | not null
+ staop1 | oid | not null
+ staop2 | oid | not null
+ staop3 | oid | not null
+ staop4 | oid | not null
+ staop5 | oid | not null
+ stanumbers1 | real[] |
+ stanumbers2 | real[] |
+ stanumbers3 | real[] |
+ stanumbers4 | real[] |
+ stanumbers5 | real[] |
+ stavalues1 | dbms_stats.anyarray |
+ stavalues2 | dbms_stats.anyarray |
+ stavalues3 | dbms_stats.anyarray |
+ stavalues4 | dbms_stats.anyarray |
+ stavalues5 | dbms_stats.anyarray |
+Indexes:
+ "column_stats_backup_pkey" PRIMARY KEY, btree (id, starelid, staattnum, stainherit)
+Foreign-key constraints:
+ "column_stats_backup_id_fkey" FOREIGN KEY (id) REFERENCES dbms_stats.backup_history(id) ON DELETE CASCADE
+ "column_stats_backup_id_fkey1" FOREIGN KEY (id, starelid) REFERENCES dbms_stats.relation_stats_backup(id, relid) ON DELETE CASCADE
+
+-- No.2-1-3
+\d dbms_stats._column_stats_locked
+ Table "dbms_stats._column_stats_locked"
+ Column | Type | Modifiers
+-------------+---------------------+-----------
+ starelid | oid | not null
+ staattnum | smallint | not null
+ stainherit | boolean | not null
+ stanullfrac | real |
+ stawidth | integer |
+ stadistinct | real |
+ stakind1 | smallint |
+ stakind2 | smallint |
+ stakind3 | smallint |
+ stakind4 | smallint |
+ stakind5 | smallint |
+ staop1 | oid |
+ staop2 | oid |
+ staop3 | oid |
+ staop4 | oid |
+ staop5 | oid |
+ stanumbers1 | real[] |
+ stanumbers2 | real[] |
+ stanumbers3 | real[] |
+ stanumbers4 | real[] |
+ stanumbers5 | real[] |
+ stavalues1 | dbms_stats.anyarray |
+ stavalues2 | dbms_stats.anyarray |
+ stavalues3 | dbms_stats.anyarray |
+ stavalues4 | dbms_stats.anyarray |
+ stavalues5 | dbms_stats.anyarray |
+Indexes:
+ "_column_stats_locked_pkey" PRIMARY KEY, btree (starelid, staattnum, stainherit)
+Foreign-key constraints:
+ "_column_stats_locked_starelid_fkey" FOREIGN KEY (starelid) REFERENCES dbms_stats._relation_stats_locked(relid) ON DELETE CASCADE
+Triggers:
+ invalidate_column_cache BEFORE INSERT OR DELETE OR UPDATE ON dbms_stats._column_stats_locked FOR EACH ROW EXECUTE PROCEDURE dbms_stats.invalidate_column_cache()
+
+-- No.2-1-4
+\d dbms_stats.relation_stats_backup
+ Table "dbms_stats.relation_stats_backup"
+ Column | Type | Modifiers
+------------------+--------------------------+-----------
+ id | bigint | not null
+ relid | oid | not null
+ relname | text | not null
+ relpages | integer | not null
+ reltuples | real | not null
+ relallvisible | integer | not null
+ curpages | integer | not null
+ last_analyze | timestamp with time zone |
+ last_autoanalyze | timestamp with time zone |
+Indexes:
+ "relation_stats_backup_pkey" PRIMARY KEY, btree (id, relid)
+Foreign-key constraints:
+ "relation_stats_backup_id_fkey" FOREIGN KEY (id) REFERENCES dbms_stats.backup_history(id) ON DELETE CASCADE
+Referenced by:
+ TABLE "dbms_stats.column_stats_backup" CONSTRAINT "column_stats_backup_id_fkey1" FOREIGN KEY (id, starelid) REFERENCES dbms_stats.relation_stats_backup(id, relid) ON DELETE CASCADE
+
+-- No.2-1-5
+\d dbms_stats._relation_stats_locked
+ Table "dbms_stats._relation_stats_locked"
+ Column | Type | Modifiers
+------------------+--------------------------+-----------
+ relid | oid | not null
+ relname | text | not null
+ relpages | integer |
+ reltuples | real |
+ relallvisible | integer |
+ curpages | integer |
+ last_analyze | timestamp with time zone |
+ last_autoanalyze | timestamp with time zone |
+Indexes:
+ "_relation_stats_locked_pkey" PRIMARY KEY, btree (relid)
+Referenced by:
+ TABLE "dbms_stats._column_stats_locked" CONSTRAINT "_column_stats_locked_starelid_fkey" FOREIGN KEY (starelid) REFERENCES dbms_stats._relation_stats_locked(relid) ON DELETE CASCADE
+Triggers:
+ invalidate_relation_cache BEFORE INSERT OR DELETE OR UPDATE ON dbms_stats._relation_stats_locked FOR EACH ROW EXECUTE PROCEDURE dbms_stats.invalidate_relation_cache()
+
+/*
+ * No.2-2 view definitions.
+ */
+-- No.2-2-1
+\dS+ dbms_stats.column_stats_effective
+ View "dbms_stats.column_stats_effective"
+ Column | Type | Modifiers | Storage | Description
+-------------+---------------------+-----------+----------+-------------
+ starelid | oid | | plain |
+ staattnum | smallint | | plain |
+ stainherit | boolean | | plain |
+ stanullfrac | real | | plain |
+ stawidth | integer | | plain |
+ stadistinct | real | | plain |
+ stakind1 | smallint | | plain |
+ stakind2 | smallint | | plain |
+ stakind3 | smallint | | plain |
+ stakind4 | smallint | | plain |
+ stakind5 | smallint | | plain |
+ staop1 | oid | | plain |
+ staop2 | oid | | plain |
+ staop3 | oid | | plain |
+ staop4 | oid | | plain |
+ staop5 | oid | | plain |
+ stanumbers1 | real[] | | extended |
+ stanumbers2 | real[] | | extended |
+ stanumbers3 | real[] | | extended |
+ stanumbers4 | real[] | | extended |
+ stanumbers5 | real[] | | extended |
+ stavalues1 | dbms_stats.anyarray | | extended |
+ stavalues2 | dbms_stats.anyarray | | extended |
+ stavalues3 | dbms_stats.anyarray | | extended |
+ stavalues4 | dbms_stats.anyarray | | extended |
+ stavalues5 | dbms_stats.anyarray | | extended |
+View definition:
+ SELECT m.starelid,
+ m.staattnum,
+ m.stainherit,
+ m.stanullfrac,
+ m.stawidth,
+ m.stadistinct,
+ m.stakind1,
+ m.stakind2,
+ m.stakind3,
+ m.stakind4,
+ m.stakind5,
+ m.staop1,
+ m.staop2,
+ m.staop3,
+ m.staop4,
+ m.staop5,
+ m.stanumbers1,
+ m.stanumbers2,
+ m.stanumbers3,
+ m.stanumbers4,
+ m.stanumbers5,
+ m.stavalues1,
+ m.stavalues2,
+ m.stavalues3,
+ m.stavalues4,
+ m.stavalues5
+ FROM ( SELECT (dbms_stats.merge(v.*, s.*)).starelid AS starelid,
+ (dbms_stats.merge(v.*, s.*)).staattnum AS staattnum,
+ (dbms_stats.merge(v.*, s.*)).stainherit AS stainherit,
+ (dbms_stats.merge(v.*, s.*)).stanullfrac AS stanullfrac,
+ (dbms_stats.merge(v.*, s.*)).stawidth AS stawidth,
+ (dbms_stats.merge(v.*, s.*)).stadistinct AS stadistinct,
+ (dbms_stats.merge(v.*, s.*)).stakind1 AS stakind1,
+ (dbms_stats.merge(v.*, s.*)).stakind2 AS stakind2,
+ (dbms_stats.merge(v.*, s.*)).stakind3 AS stakind3,
+ (dbms_stats.merge(v.*, s.*)).stakind4 AS stakind4,
+ (dbms_stats.merge(v.*, s.*)).stakind5 AS stakind5,
+ (dbms_stats.merge(v.*, s.*)).staop1 AS staop1,
+ (dbms_stats.merge(v.*, s.*)).staop2 AS staop2,
+ (dbms_stats.merge(v.*, s.*)).staop3 AS staop3,
+ (dbms_stats.merge(v.*, s.*)).staop4 AS staop4,
+ (dbms_stats.merge(v.*, s.*)).staop5 AS staop5,
+ (dbms_stats.merge(v.*, s.*)).stanumbers1 AS stanumbers1,
+ (dbms_stats.merge(v.*, s.*)).stanumbers2 AS stanumbers2,
+ (dbms_stats.merge(v.*, s.*)).stanumbers3 AS stanumbers3,
+ (dbms_stats.merge(v.*, s.*)).stanumbers4 AS stanumbers4,
+ (dbms_stats.merge(v.*, s.*)).stanumbers5 AS stanumbers5,
+ (dbms_stats.merge(v.*, s.*)).stavalues1 AS stavalues1,
+ (dbms_stats.merge(v.*, s.*)).stavalues2 AS stavalues2,
+ (dbms_stats.merge(v.*, s.*)).stavalues3 AS stavalues3,
+ (dbms_stats.merge(v.*, s.*)).stavalues4 AS stavalues4,
+ (dbms_stats.merge(v.*, s.*)).stavalues5 AS stavalues5
+ FROM pg_statistic s
+ FULL JOIN dbms_stats._column_stats_locked v USING (starelid, staattnum, stainherit)
+ WHERE NOT dbms_stats.is_system_catalog(starelid::regclass) AND (EXISTS ( SELECT NULL::unknown
+ FROM pg_attribute a
+ WHERE a.attrelid = starelid AND a.attnum = staattnum AND a.attisdropped = false))) m
+ WHERE m.starelid IS NOT NULL;
+
+-- No.2-2-2
+\dS+ dbms_stats.relation_stats_effective
+ View "dbms_stats.relation_stats_effective"
+ Column | Type | Modifiers | Storage | Description
+------------------+--------------------------+-----------+----------+-------------
+ relid | oid | | plain |
+ relname | text | | extended |
+ relpages | integer | | plain |
+ reltuples | real | | plain |
+ relallvisible | integer | | plain |
+ curpages | integer | | plain |
+ last_analyze | timestamp with time zone | | plain |
+ last_autoanalyze | timestamp with time zone | | plain |
+View definition:
+ SELECT c.oid AS relid,
+ dbms_stats.relname(n.nspname::text, c.relname::text) AS relname,
+ COALESCE(v.relpages, c.relpages) AS relpages,
+ COALESCE(v.reltuples, c.reltuples) AS reltuples,
+ COALESCE(v.relallvisible, c.relallvisible) AS relallvisible,
+ COALESCE(v.curpages, (pg_relation_size(c.oid::regclass) / current_setting('block_size'::text)::integer)::integer) AS curpages,
+ COALESCE(v.last_analyze, pg_stat_get_last_analyze_time(c.oid)) AS last_analyze,
+ COALESCE(v.last_autoanalyze, pg_stat_get_last_autoanalyze_time(c.oid)) AS last_autoanalyze
+ FROM pg_class c
+ JOIN pg_namespace n ON c.relnamespace = n.oid
+ LEFT JOIN dbms_stats._relation_stats_locked v ON v.relid = c.oid
+ WHERE dbms_stats.is_target_relkind(c.relkind) AND NOT dbms_stats.is_system_schema(n.nspname::text);
+
+-- No.2-2-3
+\dS+ dbms_stats.stats
+ View "dbms_stats.stats"
+ Column | Type | Modifiers | Storage | Description
+------------------------+---------------------+-----------+----------+-------------
+ schemaname | name | | plain |
+ tablename | name | | plain |
+ attname | name | | plain |
+ inherited | boolean | | plain |
+ null_frac | real | | plain |
+ avg_width | integer | | plain |
+ n_distinct | real | | plain |
+ most_common_vals | dbms_stats.anyarray | | extended |
+ most_common_freqs | real[] | | extended |
+ histogram_bounds | dbms_stats.anyarray | | extended |
+ correlation | real | | plain |
+ most_common_elems | dbms_stats.anyarray | | extended |
+ most_common_elem_freqs | real[] | | extended |
+ elem_count_histogram | real[] | | extended |
+View definition:
+ SELECT n.nspname AS schemaname,
+ c.relname AS tablename,
+ a.attname,
+ s.stainherit AS inherited,
+ s.stanullfrac AS null_frac,
+ s.stawidth AS avg_width,
+ s.stadistinct AS n_distinct,
+ CASE
+ WHEN s.stakind1 = 1 THEN s.stavalues1
+ WHEN s.stakind2 = 1 THEN s.stavalues2
+ WHEN s.stakind3 = 1 THEN s.stavalues3
+ WHEN s.stakind4 = 1 THEN s.stavalues4
+ WHEN s.stakind5 = 1 THEN s.stavalues5
+ ELSE NULL::dbms_stats.anyarray
+ END AS most_common_vals,
+ CASE
+ WHEN s.stakind1 = 1 THEN s.stanumbers1
+ WHEN s.stakind2 = 1 THEN s.stanumbers2
+ WHEN s.stakind3 = 1 THEN s.stanumbers3
+ WHEN s.stakind4 = 1 THEN s.stanumbers4
+ WHEN s.stakind5 = 1 THEN s.stanumbers5
+ ELSE NULL::real[]
+ END AS most_common_freqs,
+ CASE
+ WHEN s.stakind1 = 2 THEN s.stavalues1
+ WHEN s.stakind2 = 2 THEN s.stavalues2
+ WHEN s.stakind3 = 2 THEN s.stavalues3
+ WHEN s.stakind4 = 2 THEN s.stavalues4
+ WHEN s.stakind5 = 2 THEN s.stavalues5
+ ELSE NULL::dbms_stats.anyarray
+ END AS histogram_bounds,
+ CASE
+ WHEN s.stakind1 = 3 THEN s.stanumbers1[1]
+ WHEN s.stakind2 = 3 THEN s.stanumbers2[1]
+ WHEN s.stakind3 = 3 THEN s.stanumbers3[1]
+ WHEN s.stakind4 = 3 THEN s.stanumbers4[1]
+ WHEN s.stakind5 = 3 THEN s.stanumbers5[1]
+ ELSE NULL::real
+ END AS correlation,
+ CASE
+ WHEN s.stakind1 = 4 THEN s.stavalues1
+ WHEN s.stakind2 = 4 THEN s.stavalues2
+ WHEN s.stakind3 = 4 THEN s.stavalues3
+ WHEN s.stakind4 = 4 THEN s.stavalues4
+ WHEN s.stakind5 = 4 THEN s.stavalues5
+ ELSE NULL::dbms_stats.anyarray
+ END AS most_common_elems,
+ CASE
+ WHEN s.stakind1 = 4 THEN s.stanumbers1
+ WHEN s.stakind2 = 4 THEN s.stanumbers2
+ WHEN s.stakind3 = 4 THEN s.stanumbers3
+ WHEN s.stakind4 = 4 THEN s.stanumbers4
+ WHEN s.stakind5 = 4 THEN s.stanumbers5
+ ELSE NULL::real[]
+ END AS most_common_elem_freqs,
+ CASE
+ WHEN s.stakind1 = 5 THEN s.stanumbers1
+ WHEN s.stakind2 = 5 THEN s.stanumbers2
+ WHEN s.stakind3 = 5 THEN s.stanumbers3
+ WHEN s.stakind4 = 5 THEN s.stanumbers4
+ WHEN s.stakind5 = 5 THEN s.stanumbers5
+ ELSE NULL::real[]
+ END AS elem_count_histogram
+ FROM dbms_stats.column_stats_effective s
+ JOIN pg_class c ON c.oid = s.starelid
+ JOIN pg_attribute a ON c.oid = a.attrelid AND a.attnum = s.staattnum
+ LEFT JOIN pg_namespace n ON n.oid = c.relnamespace
+ WHERE NOT a.attisdropped AND has_column_privilege(c.oid, a.attnum, 'select'::text);
+
+-- No.2-2-4
+\dS+ dbms_stats.column_stats_locked
+ View "dbms_stats.column_stats_locked"
+ Column | Type | Modifiers | Storage | Description
+-------------+---------------------+-----------+----------+-------------
+ starelid | oid | | plain |
+ staattnum | smallint | | plain |
+ stainherit | boolean | | plain |
+ stanullfrac | real | | plain |
+ stawidth | integer | | plain |
+ stadistinct | real | | plain |
+ stakind1 | smallint | | plain |
+ stakind2 | smallint | | plain |
+ stakind3 | smallint | | plain |
+ stakind4 | smallint | | plain |
+ stakind5 | smallint | | plain |
+ staop1 | oid | | plain |
+ staop2 | oid | | plain |
+ staop3 | oid | | plain |
+ staop4 | oid | | plain |
+ staop5 | oid | | plain |
+ stanumbers1 | real[] | | extended |
+ stanumbers2 | real[] | | extended |
+ stanumbers3 | real[] | | extended |
+ stanumbers4 | real[] | | extended |
+ stanumbers5 | real[] | | extended |
+ stavalues1 | dbms_stats.anyarray | | extended |
+ stavalues2 | dbms_stats.anyarray | | extended |
+ stavalues3 | dbms_stats.anyarray | | extended |
+ stavalues4 | dbms_stats.anyarray | | extended |
+ stavalues5 | dbms_stats.anyarray | | extended |
+View definition:
+ SELECT _column_stats_locked.starelid,
+ _column_stats_locked.staattnum,
+ _column_stats_locked.stainherit,
+ _column_stats_locked.stanullfrac,
+ _column_stats_locked.stawidth,
+ _column_stats_locked.stadistinct,
+ _column_stats_locked.stakind1,
+ _column_stats_locked.stakind2,
+ _column_stats_locked.stakind3,
+ _column_stats_locked.stakind4,
+ _column_stats_locked.stakind5,
+ _column_stats_locked.staop1,
+ _column_stats_locked.staop2,
+ _column_stats_locked.staop3,
+ _column_stats_locked.staop4,
+ _column_stats_locked.staop5,
+ _column_stats_locked.stanumbers1,
+ _column_stats_locked.stanumbers2,
+ _column_stats_locked.stanumbers3,
+ _column_stats_locked.stanumbers4,
+ _column_stats_locked.stanumbers5,
+ _column_stats_locked.stavalues1,
+ _column_stats_locked.stavalues2,
+ _column_stats_locked.stavalues3,
+ _column_stats_locked.stavalues4,
+ _column_stats_locked.stavalues5
+ FROM dbms_stats._column_stats_locked
+ WHERE has_column_privilege(_column_stats_locked.starelid, _column_stats_locked.staattnum, 'SELECT'::text);
+
+-- No.2-2-5
+\dS+ dbms_stats.relation_stats_locked
+ View "dbms_stats.relation_stats_locked"
+ Column | Type | Modifiers | Storage | Description
+------------------+--------------------------+-----------+----------+-------------
+ relid | oid | | plain |
+ relname | text | | extended |
+ relpages | integer | | plain |
+ reltuples | real | | plain |
+ relallvisible | integer | | plain |
+ curpages | integer | | plain |
+ last_analyze | timestamp with time zone | | plain |
+ last_autoanalyze | timestamp with time zone | | plain |
+View definition:
+ SELECT _relation_stats_locked.relid,
+ _relation_stats_locked.relname,
+ _relation_stats_locked.relpages,
+ _relation_stats_locked.reltuples,
+ _relation_stats_locked.relallvisible,
+ _relation_stats_locked.curpages,
+ _relation_stats_locked.last_analyze,
+ _relation_stats_locked.last_autoanalyze
+ FROM dbms_stats._relation_stats_locked;
+
+/*
+ * No.2-4 dbms_stats.anyarray
+ */
+-- No.2-4-1
+SELECT n.nspname, t.typname, t.typlen, t.typbyval, t.typtype,
+ t.typcategory, t.typispreferred, t.typisdefined, t.typdelim,
+ t.typrelid, t.typelem, t.typinput, t.typoutput, t.typreceive,
+ t.typsend, t.typmodin, t.typmodout, t.typanalyze, t.typalign,
+ t.typstorage, t.typnotnull, t.typbasetype, t.typtypmod, t.typndims,
+ t.typcollation, t.typdefaultbin, t.typdefault, t.typacl
+ FROM pg_type t, pg_namespace n
+ WHERE t.typnamespace = n.oid
+ AND n.nspname = 'dbms_stats'
+ AND t.typname = 'anyarray';
+ nspname | typname | typlen | typbyval | typtype | typcategory | typispreferred | typisdefined | typdelim | typrelid | typelem | typinput | typoutput | typreceive | typsend | typmodin | typmodout | typanalyze | typalign | typstorage | typnotnull | typbasetype | typtypmod | typndims | typcollation | typdefaultbin | typdefault | typacl
+------------+----------+--------+----------+---------+-------------+----------------+--------------+----------+----------+---------+------------------------+-------------------------+--------------------------+--------------------------+----------+-----------+------------+----------+------------+------------+-------------+-----------+----------+--------------+---------------+------------+--------
+ dbms_stats | anyarray | -1 | f | b | P | f | t | , | 0 | 0 | dbms_stats.anyarray_in | dbms_stats.anyarray_out | dbms_stats.anyarray_recv | dbms_stats.anyarray_send | - | - | - | d | x | f | 0 | -1 | 0 | 0 | (null) | (null) | (null)
+(1 row)
+
+/*
+ * No.5-1 dbms_stats.merge
+ */
+UPDATE pg_statistic SET
+ stanullfrac = staattnum,
+ stawidth = staattnum,
+ stadistinct = staattnum,
+ stakind1 = 4,
+ stakind2 = 1,
+ stakind3 = 2,
+ stakind4 = 3,
+ stakind5 = 5,
+ staop1 = 14,
+ staop2 = 11,
+ staop3 = 12,
+ staop4 = 13,
+ staop5 = 15,
+ stanumbers1 = ARRAY[staattnum,4],
+ stanumbers2 = ARRAY[staattnum,1],
+ stanumbers3 = ARRAY[staattnum,2],
+ stanumbers4 = ARRAY[staattnum,3],
+ stanumbers5 = ARRAY[staattnum,5],
+ stavalues2 = array_cat(stavalues1,stavalues1),
+ stavalues3 = array_cat(array_cat(stavalues1,stavalues1),stavalues1),
+ stavalues4 = array_cat(array_cat(array_cat(stavalues1,stavalues1),stavalues1),stavalues1)
+ ,stavalues5 = array_cat(array_cat(array_cat(array_cat(stavalues1,stavalues1),stavalues1),stavalues1),stavalues1)
+ WHERE starelid = 'st0'::regclass;
+SELECT dbms_stats.lock_table_stats('st0');
+ lock_table_stats
+------------------
+ st0
+(1 row)
+
+UPDATE dbms_stats._column_stats_locked SET
+ stainherit = 't',
+ stanullfrac = -staattnum,
+ stawidth = -staattnum,
+ stadistinct = -staattnum,
+ stakind1 = 2,
+ stakind2 = 3,
+ stakind3 = 4,
+ stakind4 = 1,
+ stakind5 = 5,
+ staop1 = 22,
+ staop2 = 23,
+ staop3 = 24,
+ staop4 = 21,
+ staop5 = 25,
+ stanumbers1 = ARRAY[-staattnum,22],
+ stanumbers2 = ARRAY[-staattnum,23],
+ stanumbers3 = ARRAY[-staattnum,24],
+ stanumbers4 = ARRAY[-staattnum,21],
+ stanumbers5 = ARRAY[-staattnum,25],
+ stavalues1 = stavalues3,
+ stavalues2 = stavalues2,
+ stavalues3 = stavalues1,
+ stavalues4 = stavalues4
+ ,stavalues5 = stavalues5
+;
+/*
+ * Driver function dbms_stats.merge1
+ */
+CREATE FUNCTION dbms_stats.merge1(
+ lhs dbms_stats._column_stats_locked,
+ rhs pg_catalog.pg_statistic
+) RETURNS integer AS
+'$libdir/pg_dbms_stats', 'dbms_stats_merge'
+LANGUAGE C STABLE;
+SELECT * FROM columns_locked_v
+ WHERE starelid = 'st0'::regclass;
+ starelid | staattnum | attname | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+----------+-----------+---------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+---------------------------+-------------------+------------+-----------------------------------+-------------------------------------------
+ st0 | 1 | id | t | -1 | -1 | -1 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-1,22} | {-1,23} | {-1,24} | {-1,21} | {-1,25} | {1,2,1,2,1,2} | {1,2,1,2} | {1,2} | {1,2,1,2,1,2,1,2} | {1,2,1,2,1,2,1,2,1,2}
+ st0 | 2 | name | t | -2 | -2 | -2 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-2,22} | {-2,23} | {-2,24} | {-2,21} | {-2,25} | {"test ","test ","test "} | {"test ","test "} | {"test "} | {"test ","test ","test ","test "} | {"test ","test ","test ","test ","test "}
+(2 rows)
+
+SELECT * FROM plain_columns_statistic_v
+ WHERE starelid = 'st0'::regclass;
+ starelid | staattnum | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+----------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------+-------------------+---------------------------+-----------------------------------+-------------------------------------------
+ st0 | 1 | f | 1 | 1 | 1 | 4 | 1 | 2 | 3 | 5 | 14 | 11 | 12 | 13 | 15 | {1,4} | {1,1} | {1,2} | {1,3} | {1,5} | {1,2} | {1,2,1,2} | {1,2,1,2,1,2} | {1,2,1,2,1,2,1,2} | {1,2,1,2,1,2,1,2,1,2}
+ st0 | 2 | f | 2 | 2 | 2 | 4 | 1 | 2 | 3 | 5 | 14 | 11 | 12 | 13 | 15 | {2,4} | {2,1} | {2,2} | {2,3} | {2,5} | {"test "} | {"test ","test "} | {"test ","test ","test "} | {"test ","test ","test ","test "} | {"test ","test ","test ","test ","test "}
+(2 rows)
+
+SET client_min_messages TO LOG;
+-- No.5-1-1
+SELECT (m.merge).starelid::regclass,
+ (m.merge).staattnum,
+ (m.merge).stainherit,
+ (m.merge).stanullfrac,
+ (m.merge).stawidth,
+ (m.merge).stadistinct,
+ (m.merge).stakind1,
+ (m.merge).stakind2,
+ (m.merge).stakind3,
+ (m.merge).stakind4,
+ (m.merge).stakind5,
+ (m.merge).staop1,
+ (m.merge).staop2,
+ (m.merge).staop3,
+ (m.merge).staop4,
+ (m.merge).staop5,
+ (m.merge).stanumbers1,
+ (m.merge).stanumbers2,
+ (m.merge).stanumbers3,
+ (m.merge).stanumbers4,
+ (m.merge).stanumbers5,
+ (m.merge).stavalues1,
+ (m.merge).stavalues2,
+ (m.merge).stavalues3,
+ (m.merge).stavalues4
+ ,(m.merge).stavalues5
+ FROM (SELECT dbms_stats.merge(NULL, s)
+ FROM pg_statistic s
+ WHERE starelid = 'st0'::regclass
+ AND staattnum = '1'::int2) m;
+ starelid | staattnum | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+----------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------+------------+---------------+-------------------+-----------------------
+ st0 | 1 | f | 1 | 1 | 1 | 4 | 1 | 2 | 3 | 5 | 14 | 11 | 12 | 13 | 15 | {1,4} | {1,1} | {1,2} | {1,3} | {1,5} | {1,2} | {1,2,1,2} | {1,2,1,2,1,2} | {1,2,1,2,1,2,1,2} | {1,2,1,2,1,2,1,2,1,2}
+(1 row)
+
+-- No.5-1-2
+SELECT (m.merge).starelid::regclass,
+ (m.merge).staattnum,
+ (m.merge).stainherit,
+ (m.merge).stanullfrac,
+ (m.merge).stawidth,
+ (m.merge).stadistinct,
+ (m.merge).stakind1,
+ (m.merge).stakind2,
+ (m.merge).stakind3,
+ (m.merge).stakind4,
+ (m.merge).stakind5,
+ (m.merge).staop1,
+ (m.merge).staop2,
+ (m.merge).staop3,
+ (m.merge).staop4,
+ (m.merge).staop5,
+ (m.merge).stanumbers1,
+ (m.merge).stanumbers2,
+ (m.merge).stanumbers3,
+ (m.merge).stanumbers4,
+ (m.merge).stanumbers5,
+ (m.merge).stavalues1,
+ (m.merge).stavalues2,
+ (m.merge).stavalues3,
+ (m.merge).stavalues4
+ ,(m.merge).stavalues5
+ FROM (SELECT dbms_stats.merge(v, NULL)
+ FROM dbms_stats._column_stats_locked v
+ WHERE starelid = 'st0'::regclass
+ AND staattnum = '2'::int2) m;
+ starelid | staattnum | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+----------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+---------------------------+-------------------+------------+-----------------------------------+-------------------------------------------
+ st0 | 2 | t | -2 | -2 | -2 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-2,22} | {-2,23} | {-2,24} | {-2,21} | {-2,25} | {"test ","test ","test "} | {"test ","test "} | {"test "} | {"test ","test ","test ","test "} | {"test ","test ","test ","test ","test "}
+(1 row)
+
+-- No.5-1-3
+SELECT dbms_stats.merge(NULL, NULL);
+ merge
+--------
+ (null)
+(1 row)
+
+-- No.5-1-4
+SELECT (m.merge).starelid::regclass,
+ (m.merge).staattnum,
+ (m.merge).stainherit,
+ (m.merge).stanullfrac,
+ (m.merge).stawidth,
+ (m.merge).stadistinct,
+ (m.merge).stakind1,
+ (m.merge).stakind2,
+ (m.merge).stakind3,
+ (m.merge).stakind4,
+ (m.merge).stakind5,
+ (m.merge).staop1,
+ (m.merge).staop2,
+ (m.merge).staop3,
+ (m.merge).staop4,
+ (m.merge).staop5,
+ (m.merge).stanumbers1,
+ (m.merge).stanumbers2,
+ (m.merge).stanumbers3,
+ (m.merge).stanumbers4,
+ (m.merge).stanumbers5,
+ (m.merge).stavalues1,
+ (m.merge).stavalues2,
+ (m.merge).stavalues3,
+ (m.merge).stavalues4
+ ,(m.merge).stavalues5
+ FROM (SELECT dbms_stats.merge(v, s)
+ FROM dbms_stats._column_stats_locked v,
+ pg_statistic s
+ WHERE v.starelid = 'st0'::regclass
+ AND v.staattnum = '2'::int2
+ AND s.starelid = 'st0'::regclass
+ AND s.staattnum = '1'::int2) m;
+ starelid | staattnum | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+----------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+---------------------------+-------------------+------------+-----------------------------------+-------------------------------------------
+ st0 | 2 | t | -2 | -2 | -2 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-2,22} | {-2,23} | {-2,24} | {-2,21} | {-2,25} | {"test ","test ","test "} | {"test ","test "} | {"test "} | {"test ","test ","test ","test "} | {"test ","test ","test ","test ","test "}
+(1 row)
+
+-- No.5-1-5
+SELECT (m.merge).starelid::regclass,
+ (m.merge).staattnum,
+ (m.merge).stainherit,
+ (m.merge).stanullfrac,
+ (m.merge).stawidth,
+ (m.merge).stadistinct,
+ (m.merge).stakind1,
+ (m.merge).stakind2,
+ (m.merge).stakind3,
+ (m.merge).stakind4,
+ (m.merge).stakind5,
+ (m.merge).staop1,
+ (m.merge).staop2,
+ (m.merge).staop3,
+ (m.merge).staop4,
+ (m.merge).staop5,
+ (m.merge).stanumbers1,
+ (m.merge).stanumbers2,
+ (m.merge).stanumbers3,
+ (m.merge).stanumbers4,
+ (m.merge).stanumbers5,
+ (m.merge).stavalues1,
+ (m.merge).stavalues2,
+ (m.merge).stavalues3,
+ (m.merge).stavalues4
+ ,(m.merge).stavalues5
+ FROM (SELECT dbms_stats.merge(v, s)
+ FROM dbms_stats._column_stats_locked v,
+ pg_statistic s
+ WHERE v.starelid = 'st0'::regclass
+ AND v.staattnum = '2'::int2
+ AND s.starelid = 'st0'::regclass
+ AND s.staattnum = '1'::int2) m;
+ starelid | staattnum | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+----------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+---------------------------+-------------------+------------+-----------------------------------+-------------------------------------------
+ st0 | 2 | t | -2 | -2 | -2 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-2,22} | {-2,23} | {-2,24} | {-2,21} | {-2,25} | {"test ","test ","test "} | {"test ","test "} | {"test "} | {"test ","test ","test ","test "} | {"test ","test ","test ","test ","test "}
+(1 row)
+
+-- No.5-1-6
+SELECT dbms_stats.merge1(v, s)
+ FROM dbms_stats._column_stats_locked v,
+ pg_statistic s
+ WHERE v.starelid = 'st0'::regclass
+ AND v.staattnum = '2'::int2
+ AND s.starelid = 'st0'::regclass
+ AND s.staattnum = '1'::int2;
+ERROR: return type must be a row type
+-- No.5-1-7
+SELECT dbms_stats.merge(NULL, (
+ s.starelid::regclass, s.staattnum, s.stainherit,
+ s.stanullfrac, s.stawidth, s.stadistinct,
+ s.stakind1, s.stakind2, s.stakind3, s.stakind4,
+ s.stakind5,
+ s.staop1, s.staop2, s.staop3,
+ s.staop4,
+ NULL, s.stanumbers1, s.stanumbers2, s.stanumbers3, s.stanumbers4,
+ s.stanumbers5,
+ s.stavalues1, s.stavalues2, s.stavalues3, s.stavalues4
+ ,s.stavalues5
+ ))
+ FROM pg_statistic s
+ WHERE s.starelid = 'st0'::regclass
+ AND s.staattnum = '1'::int2;
+ merge
+--------
+ (null)
+(1 row)
+
+-- No.5-1-8
+SELECT (m.merge).starelid::regclass,
+ (m.merge).staattnum,
+ (m.merge).stainherit,
+ (m.merge).stanullfrac,
+ (m.merge).stawidth,
+ (m.merge).stadistinct,
+ (m.merge).stakind1,
+ (m.merge).stakind2,
+ (m.merge).stakind3,
+ (m.merge).stakind4,
+ (m.merge).stakind5,
+ (m.merge).staop1,
+ (m.merge).staop2,
+ (m.merge).staop3,
+ (m.merge).staop4,
+ (m.merge).staop5,
+ (m.merge).stanumbers1,
+ (m.merge).stanumbers2,
+ (m.merge).stanumbers3,
+ (m.merge).stanumbers4,
+ (m.merge).stanumbers5,
+ (m.merge).stavalues1,
+ (m.merge).stavalues2,
+ (m.merge).stavalues3,
+ (m.merge).stavalues4
+ ,(m.merge).stavalues5
+ FROM (SELECT dbms_stats.merge(NULL, (
+ s.starelid::regclass, s.staattnum, s.stainherit,
+ s.stanullfrac, s.stawidth, s.stadistinct,
+ s.stakind1, s.stakind2, s.stakind3, s.stakind4,
+ s.stakind5,
+ s.staop1, s.staop2, s.staop3, s.staop4,
+ s.staop5,
+ NULL, s.stanumbers2, s.stanumbers3, s.stanumbers4,
+ s.stanumbers5,
+ s.stavalues1, s.stavalues2, s.stavalues3, s.stavalues4
+ ,s.stavalues5
+ ))
+ FROM pg_statistic s
+ WHERE s.starelid = 'st0'::regclass
+ AND s.staattnum = '1'::int2) m;
+ starelid | staattnum | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+----------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------+------------+---------------+-------------------+-----------------------
+ st0 | 1 | f | 1 | 1 | 1 | 4 | 1 | 2 | 3 | 5 | 14 | 11 | 12 | 13 | 15 | (null) | {1,1} | {1,2} | {1,3} | {1,5} | {1,2} | {1,2,1,2} | {1,2,1,2,1,2} | {1,2,1,2,1,2,1,2} | {1,2,1,2,1,2,1,2,1,2}
+(1 row)
+
+-- No.5-1-9
+SELECT dbms_stats.merge((
+ v.starelid::regclass, v.staattnum, v.stainherit,
+ v.stanullfrac, v.stawidth, v.stadistinct,
+ v.stakind1, v.stakind2, v.stakind3, v.stakind4,
+ v.stakind5,
+ v.staop1, v.staop2, v.staop3,
+ v.staop4,
+ NULL, v.stanumbers1, v.stanumbers2, v.stanumbers3, v.stanumbers4,
+ v.stanumbers5,
+ v.stavalues1, v.stavalues2, v.stavalues3, v.stavalues4
+ ,v.stavalues5
+ ), NULL)
+ FROM dbms_stats._column_stats_locked v
+ WHERE v.starelid = 'st0'::regclass
+ AND v.staattnum = '2'::int2;
+ merge
+--------
+ (null)
+(1 row)
+
+-- No.5-1-10
+SELECT (m.merge).starelid::regclass,
+ (m.merge).staattnum,
+ (m.merge).stainherit,
+ (m.merge).stanullfrac,
+ (m.merge).stawidth,
+ (m.merge).stadistinct,
+ (m.merge).stakind1,
+ (m.merge).stakind2,
+ (m.merge).stakind3,
+ (m.merge).stakind4,
+ (m.merge).stakind5,
+ (m.merge).staop1,
+ (m.merge).staop2,
+ (m.merge).staop3,
+ (m.merge).staop4,
+ (m.merge).staop5,
+ (m.merge).stanumbers1,
+ (m.merge).stanumbers2,
+ (m.merge).stanumbers3,
+ (m.merge).stanumbers4,
+ (m.merge).stanumbers5,
+ (m.merge).stavalues1,
+ (m.merge).stavalues2,
+ (m.merge).stavalues3,
+ (m.merge).stavalues4
+ ,(m.merge).stavalues5
+ FROM (SELECT dbms_stats.merge((
+ v.starelid::regclass, v.staattnum, v.stainherit,
+ v.stanullfrac, v.stawidth, v.stadistinct,
+ v.stakind1, v.stakind2, v.stakind3, v.stakind4,
+ v.stakind5,
+ v.staop1, v.staop2, v.staop3, v.staop4,
+ v.staop5,
+ NULL, v.stanumbers2, v.stanumbers3, v.stanumbers4,
+ v.stanumbers5,
+ v.stavalues1, v.stavalues2, v.stavalues3, v.stavalues4
+ ,v.stavalues5
+ ), NULL)
+ FROM dbms_stats._column_stats_locked v
+ WHERE v.starelid = 'st0'::regclass
+ AND v.staattnum = '2'::int2) m;
+ starelid | staattnum | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+----------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+---------------------------+-------------------+------------+-----------------------------------+-------------------------------------------
+ st0 | 2 | t | -2 | -2 | -2 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | (null) | {-2,23} | {-2,24} | {-2,21} | {-2,25} | {"test ","test ","test "} | {"test ","test "} | {"test "} | {"test ","test ","test ","test "} | {"test ","test ","test ","test ","test "}
+(1 row)
+
+-- No.5-1-11
+SELECT dbms_stats.merge((
+ v.starelid::regclass, v.staattnum, v.stainherit,
+ v.stanullfrac, v.stawidth, v.stadistinct,
+ v.stakind1, v.stakind2, v.stakind3, v.stakind4,
+ v.stakind5,
+ v.staop1, v.staop2, v.staop3,
+ v.staop4,
+ NULL, v.stanumbers1, v.stanumbers2, v.stanumbers3, v.stanumbers4,
+ v.stanumbers5,
+ v.stavalues1, v.stavalues2, v.stavalues3, v.stavalues4
+ ,v.stavalues5
+ ), (
+ s.starelid::regclass, s.staattnum, s.stainherit,
+ s.stanullfrac, s.stawidth, s.stadistinct,
+ s.stakind1, s.stakind2, s.stakind3, s.stakind4,
+ s.stakind5,
+ s.staop1, s.staop2, s.staop3,
+ s.staop4,
+ NULL, s.stanumbers1, s.stanumbers2, s.stanumbers3, s.stanumbers4,
+ s.stanumbers5,
+ s.stavalues1, s.stavalues2, s.stavalues3, s.stavalues4
+ ,s.stavalues5
+ ))
+ FROM dbms_stats._column_stats_locked v,
+ pg_statistic s
+ WHERE v.starelid = 'st0'::regclass
+ AND v.staattnum = '2'::int2
+ AND s.starelid = 'st0'::regclass
+ AND s.staattnum = '1'::int2;
+LOG: pg_dbms_stats: bad statistics
+DETAIL: column "staop5" should not be null
+ merge
+--------
+ (null)
+(1 row)
+
+-- No.5-1-12
+SELECT (m.merge).starelid::regclass,
+ (m.merge).staattnum,
+ (m.merge).stainherit,
+ (m.merge).stanullfrac,
+ (m.merge).stawidth,
+ (m.merge).stadistinct,
+ (m.merge).stakind1,
+ (m.merge).stakind2,
+ (m.merge).stakind3,
+ (m.merge).stakind4,
+ (m.merge).stakind5,
+ (m.merge).staop1,
+ (m.merge).staop2,
+ (m.merge).staop3,
+ (m.merge).staop4,
+ (m.merge).staop5,
+ (m.merge).stanumbers1,
+ (m.merge).stanumbers2,
+ (m.merge).stanumbers3,
+ (m.merge).stanumbers4,
+ (m.merge).stanumbers5,
+ (m.merge).stavalues1,
+ (m.merge).stavalues2,
+ (m.merge).stavalues3,
+ (m.merge).stavalues4
+ ,(m.merge).stavalues5
+ FROM (SELECT dbms_stats.merge((
+ v.starelid::regclass, v.staattnum, v.stainherit,
+ v.stanullfrac, v.stawidth, v.stadistinct,
+ v.stakind1, v.stakind2, v.stakind3, v.stakind4,
+ v.stakind5,
+ v.staop1, v.staop2, v.staop3, v.staop4,
+ v.staop5,
+ NULL, v.stanumbers2, v.stanumbers3, v.stanumbers4,
+ v.stanumbers5,
+ v.stavalues1, v.stavalues2, v.stavalues3, v.stavalues4
+ ,v.stavalues5
+ ), (
+ s.starelid::regclass, s.staattnum, s.stainherit,
+ s.stanullfrac, s.stawidth, s.stadistinct,
+ s.stakind1, s.stakind2, s.stakind3, s.stakind4,
+ s.stakind5,
+ s.staop1, s.staop2, s.staop3, s.staop4,
+ s.staop5,
+ NULL, s.stanumbers2, s.stanumbers3, s.stanumbers4,
+ s.stanumbers5,
+ s.stavalues1, s.stavalues2, s.stavalues3, s.stavalues4
+ ,s.stavalues5
+ ))
+ FROM dbms_stats._column_stats_locked v,
+ pg_statistic s
+ WHERE v.starelid = 'st0'::regclass
+ AND v.staattnum = '2'::int2
+ AND s.starelid = 'st0'::regclass
+ AND s.staattnum = '1'::int2) m;
+ starelid | staattnum | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+----------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+---------------------------+-------------------+------------+-----------------------------------+-------------------------------------------
+ st0 | 2 | t | -2 | -2 | -2 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | (null) | {-2,23} | {-2,24} | {-2,21} | {-2,25} | {"test ","test ","test "} | {"test ","test "} | {"test "} | {"test ","test ","test ","test "} | {"test ","test ","test ","test ","test "}
+(1 row)
+
+-- No.5-1-13
+SELECT (m.merge).starelid::regclass,
+ (m.merge).staattnum,
+ (m.merge).stainherit,
+ (m.merge).stanullfrac,
+ (m.merge).stawidth,
+ (m.merge).stadistinct,
+ (m.merge).stakind1,
+ (m.merge).stakind2,
+ (m.merge).stakind3,
+ (m.merge).stakind4,
+ (m.merge).stakind5,
+ (m.merge).staop1,
+ (m.merge).staop2,
+ (m.merge).staop3,
+ (m.merge).staop4,
+ (m.merge).staop5,
+ (m.merge).stanumbers1,
+ (m.merge).stanumbers2,
+ (m.merge).stanumbers3,
+ (m.merge).stanumbers4,
+ (m.merge).stanumbers5,
+ (m.merge).stavalues1,
+ (m.merge).stavalues2,
+ (m.merge).stavalues3,
+ (m.merge).stavalues4
+ ,(m.merge).stavalues5
+ FROM (SELECT dbms_stats.merge((
+ NULL, NULL, NULL,
+ NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL
+ ,NULL, NULL, NULL, NULL
+ ), s)
+ FROM pg_statistic s
+ WHERE s.starelid = 'st0'::regclass
+ AND s.staattnum = '1'::int2) m;
+ starelid | staattnum | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+----------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------+------------+---------------+-------------------+-----------------------
+ st0 | 1 | f | 1 | 1 | 1 | 4 | 1 | 2 | 3 | 5 | 14 | 11 | 12 | 13 | 15 | {1,4} | {1,1} | {1,2} | {1,3} | {1,5} | {1,2} | {1,2,1,2} | {1,2,1,2,1,2} | {1,2,1,2,1,2,1,2} | {1,2,1,2,1,2,1,2,1,2}
+(1 row)
+
+-- No.5-1-14
+SELECT (m.merge).starelid::regclass,
+ (m.merge).staattnum,
+ (m.merge).stainherit,
+ (m.merge).stanullfrac,
+ (m.merge).stawidth,
+ (m.merge).stadistinct,
+ (m.merge).stakind1,
+ (m.merge).stakind2,
+ (m.merge).stakind3,
+ (m.merge).stakind4,
+ (m.merge).stakind5,
+ (m.merge).staop1,
+ (m.merge).staop2,
+ (m.merge).staop3,
+ (m.merge).staop4,
+ (m.merge).staop5,
+ (m.merge).stanumbers1,
+ (m.merge).stanumbers2,
+ (m.merge).stanumbers3,
+ (m.merge).stanumbers4,
+ (m.merge).stanumbers5,
+ (m.merge).stavalues1,
+ (m.merge).stavalues2,
+ (m.merge).stavalues3,
+ (m.merge).stavalues4
+ ,(m.merge).stavalues5
+ FROM (SELECT dbms_stats.merge(v, (
+ NULL, NULL, NULL,
+ NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL))
+ FROM dbms_stats._column_stats_locked v
+ WHERE v.starelid = 'st0'::regclass
+ AND v.staattnum = '2'::int2) m;
+ starelid | staattnum | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+----------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+---------------------------+-------------------+------------+-----------------------------------+-------------------------------------------
+ st0 | 2 | t | -2 | -2 | -2 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-2,22} | {-2,23} | {-2,24} | {-2,21} | {-2,25} | {"test ","test ","test "} | {"test ","test "} | {"test "} | {"test ","test ","test ","test "} | {"test ","test ","test ","test ","test "}
+(1 row)
+
+-- No.5-1-15
+SELECT (m.merge).starelid::regclass,
+ (m.merge).staattnum,
+ (m.merge).stainherit,
+ (m.merge).stanullfrac,
+ (m.merge).stawidth,
+ (m.merge).stadistinct,
+ (m.merge).stakind1,
+ (m.merge).stakind2,
+ (m.merge).stakind3,
+ (m.merge).stakind4,
+ (m.merge).stakind5,
+ (m.merge).staop1,
+ (m.merge).staop2,
+ (m.merge).staop3,
+ (m.merge).staop4,
+ (m.merge).staop5,
+ (m.merge).stanumbers1,
+ (m.merge).stanumbers2,
+ (m.merge).stanumbers3,
+ (m.merge).stanumbers4,
+ (m.merge).stanumbers5,
+ (m.merge).stavalues1,
+ (m.merge).stavalues2,
+ (m.merge).stavalues3,
+ (m.merge).stavalues4
+ ,(m.merge).stavalues5
+ FROM (SELECT dbms_stats.merge(v, s)
+ FROM dbms_stats._column_stats_locked v,
+ pg_statistic s
+ WHERE v.starelid = 'st0'::regclass
+ AND v.staattnum = '2'::int2
+ AND s.starelid = 'st0'::regclass
+ AND s.staattnum = '1'::int2) m;
+ starelid | staattnum | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+----------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+---------------------------+-------------------+------------+-----------------------------------+-------------------------------------------
+ st0 | 2 | t | -2 | -2 | -2 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-2,22} | {-2,23} | {-2,24} | {-2,21} | {-2,25} | {"test ","test ","test "} | {"test ","test "} | {"test "} | {"test ","test ","test ","test "} | {"test ","test ","test ","test ","test "}
+(1 row)
+
+-- No.5-1-16
+SELECT dbms_stats.merge((
+ v.starelid::regclass, v.staattnum, v.stainherit,
+ v.stanullfrac, v.stawidth, v.stadistinct,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL
+ ,NULL, NULL, NULL, NULL
+ ), (
+ s.starelid::regclass, s.staattnum, s.stainherit,
+ s.stanullfrac, s.stawidth, s.stadistinct,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL))
+ FROM dbms_stats._column_stats_locked v,
+ pg_statistic s
+ WHERE v.starelid = 'st0'::regclass
+ AND v.staattnum = '2'::int2
+ AND s.starelid = 'st0'::regclass
+ AND s.staattnum = '1'::int2;
+LOG: pg_dbms_stats: bad statistics
+DETAIL: column "stakind1" should not be null
+ merge
+--------
+ (null)
+(1 row)
+
+-- No.5-1-17
+SELECT (m.merge).starelid::regclass,
+ (m.merge).staattnum,
+ (m.merge).stainherit,
+ (m.merge).stanullfrac,
+ (m.merge).stawidth,
+ (m.merge).stadistinct,
+ (m.merge).stakind1,
+ (m.merge).stakind2,
+ (m.merge).stakind3,
+ (m.merge).stakind4,
+ (m.merge).stakind5,
+ (m.merge).staop1,
+ (m.merge).staop2,
+ (m.merge).staop3,
+ (m.merge).staop4,
+ (m.merge).staop5,
+ (m.merge).stanumbers1,
+ (m.merge).stanumbers2,
+ (m.merge).stanumbers3,
+ (m.merge).stanumbers4,
+ (m.merge).stanumbers5,
+ (m.merge).stavalues1,
+ (m.merge).stavalues2,
+ (m.merge).stavalues3,
+ (m.merge).stavalues4
+ ,(m.merge).stavalues5
+ FROM (SELECT dbms_stats.merge((
+ v.starelid::regclass, v.staattnum, v.stainherit,
+ v.stanullfrac, v.stawidth, v.stadistinct,
+ v.stakind1, v.stakind2, v.stakind3, v.stakind4,
+ v.stakind5,
+ v.staop1, v.staop2, v.staop3,
+ v.staop4,
+ NULL, v.stanumbers1, v.stanumbers2, v.stanumbers3, v.stanumbers4,
+ v.stanumbers5,
+ v.stavalues1, v.stavalues2, v.stavalues3, v.stavalues4
+ ,v.stavalues5
+ ), (
+ s.starelid::regclass, s.staattnum, s.stainherit,
+ s.stanullfrac, s.stawidth, s.stadistinct,
+ s.stakind1, s.stakind2, s.stakind3, s.stakind4,
+ s.stakind5,
+ s.staop1, s.staop2, s.staop3, s.staop4,
+ s.staop5,
+ s.stanumbers1, s.stanumbers2, s.stanumbers3, s.stanumbers4,
+ s.stanumbers5,
+ s.stavalues1, s.stavalues2, s.stavalues3, s.stavalues4
+ ,s.stavalues5
+ ))
+ FROM dbms_stats._column_stats_locked v,
+ pg_statistic s
+ WHERE v.starelid = 'st0'::regclass
+ AND v.staattnum = '1'::int2
+ AND s.starelid = 'st0'::regclass
+ AND s.staattnum = '1'::int2) m;
+ starelid | staattnum | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+----------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------+------------+---------------+-------------------+-----------------------
+ st0 | 1 | t | -1 | -1 | -1 | 4 | 1 | 2 | 3 | 5 | 14 | 11 | 12 | 13 | 15 | {1,4} | {1,1} | {1,2} | {1,3} | {1,5} | {1,2} | {1,2,1,2} | {1,2,1,2,1,2} | {1,2,1,2,1,2,1,2} | {1,2,1,2,1,2,1,2,1,2}
+(1 row)
+
+-- No.5-1-18
+SELECT dbms_stats.merge((
+ v.starelid::regclass, v.staattnum, v.stainherit,
+ v.stanullfrac, v.stawidth, v.stadistinct,
+ v.stakind1, v.stakind2, v.stakind3, v.stakind4,
+ v.stakind5,
+ v.staop1, v.staop2, v.staop3,
+ v.staop4,
+ NULL, v.stanumbers1, v.stanumbers2, v.stanumbers3, v.stanumbers4,
+ v.stanumbers5,
+ v.stavalues1, v.stavalues2, v.stavalues3, v.stavalues4
+ ,v.stavalues5
+ ), (
+ s.starelid::regclass, s.staattnum, s.stainherit,
+ s.stanullfrac, s.stawidth, s.stadistinct,
+ s.stakind1, s.stakind2, s.stakind3, s.stakind4,
+ s.stakind5,
+ s.staop1, s.staop2, s.staop3,
+ s.staop4,
+ NULL, s.stanumbers1, s.stanumbers2, s.stanumbers3, s.stanumbers4,
+ s.stanumbers5,
+ s.stavalues1, s.stavalues2, s.stavalues3, s.stavalues4
+ ,s.stavalues5
+ ))
+ FROM dbms_stats._column_stats_locked v,
+ pg_statistic s
+ WHERE v.starelid = 'st0'::regclass
+ AND v.staattnum = '1'::int2
+ AND s.starelid = 'st0'::regclass
+ AND s.staattnum = '1'::int2;
+LOG: pg_dbms_stats: bad statistics
+DETAIL: column "staop5" should not be null
+ merge
+--------
+ (null)
+(1 row)
+
+-- No.5-1-19
+SELECT (m.merge).starelid::regclass,
+ (m.merge).staattnum,
+ (m.merge).stainherit,
+ (m.merge).stanullfrac,
+ (m.merge).stawidth,
+ (m.merge).stadistinct,
+ (m.merge).stakind1,
+ (m.merge).stakind2,
+ (m.merge).stakind3,
+ (m.merge).stakind4,
+ (m.merge).stakind5,
+ (m.merge).staop1,
+ (m.merge).staop2,
+ (m.merge).staop3,
+ (m.merge).staop4,
+ (m.merge).staop5,
+ (m.merge).stanumbers1,
+ (m.merge).stanumbers2,
+ (m.merge).stanumbers3,
+ (m.merge).stanumbers4,
+ (m.merge).stanumbers5,
+ (m.merge).stavalues1,
+ (m.merge).stavalues2,
+ (m.merge).stavalues3,
+ (m.merge).stavalues4
+ ,(m.merge).stavalues5
+ FROM (SELECT dbms_stats.merge((
+ v.starelid::regclass, v.staattnum, v.stainherit,
+ v.stanullfrac, v.stawidth, v.stadistinct,
+ '1', '1', '1', '1',
+ '1',
+ v.staop1, v.staop2, v.staop3, v.staop4,
+ v.staop5,
+ v.stanumbers1, v.stanumbers2, v.stanumbers3, v.stanumbers4,
+ v.stanumbers5,
+ v.stavalues1, v.stavalues2, v.stavalues3, v.stavalues4
+ ,v.stavalues5
+ ), (
+ s.starelid::regclass, s.staattnum, s.stainherit,
+ s.stanullfrac, s.stawidth, s.stadistinct,
+ '1', '1', '1', '1',
+ '1',
+ s.staop1, s.staop2, s.staop3, s.staop4,
+ s.staop5,
+ s.stanumbers1, s.stanumbers2, s.stanumbers3, s.stanumbers4,
+ s.stanumbers5,
+ s.stavalues1, s.stavalues2, s.stavalues3, s.stavalues4
+ ,s.stavalues5
+ ))
+ FROM dbms_stats._column_stats_locked v,
+ pg_statistic s
+ WHERE v.starelid = 'st0'::regclass
+ AND v.staattnum = '2'::int2
+ AND s.starelid = 'st0'::regclass
+ AND s.staattnum = '1'::int2) m;
+ starelid | staattnum | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+----------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+---------------------------+-------------------+------------+-----------------------------------+-------------------------------------------
+ st0 | 2 | t | -2 | -2 | -2 | 1 | 1 | 1 | 1 | 1 | 22 | 23 | 24 | 21 | 25 | {-2,22} | {-2,23} | {-2,24} | {-2,21} | {-2,25} | {"test ","test ","test "} | {"test ","test "} | {"test "} | {"test ","test ","test ","test "} | {"test ","test ","test ","test ","test "}
+(1 row)
+
+-- No.5-1-20
+SELECT (m.merge).starelid::regclass,
+ (m.merge).staattnum,
+ (m.merge).stainherit,
+ (m.merge).stanullfrac,
+ (m.merge).stawidth,
+ (m.merge).stadistinct,
+ (m.merge).stakind1,
+ (m.merge).stakind2,
+ (m.merge).stakind3,
+ (m.merge).stakind4,
+ (m.merge).stakind5,
+ (m.merge).staop1,
+ (m.merge).staop2,
+ (m.merge).staop3,
+ (m.merge).staop4,
+ (m.merge).staop5,
+ (m.merge).stanumbers1,
+ (m.merge).stanumbers2,
+ (m.merge).stanumbers3,
+ (m.merge).stanumbers4,
+ (m.merge).stanumbers5,
+ (m.merge).stavalues1,
+ (m.merge).stavalues2,
+ (m.merge).stavalues3,
+ (m.merge).stavalues4
+ ,(m.merge).stavalues5
+ FROM (SELECT dbms_stats.merge((v.starelid::regclass, v.staattnum, v.stainherit,
+ v.stanullfrac, v.stawidth, v.stadistinct,
+ '2', '2', '2', '2',
+ '2',
+ v.staop1, v.staop2, v.staop3, v.staop4,
+ v.staop5,
+ v.stanumbers1, v.stanumbers2, v.stanumbers3, v.stanumbers4,
+ v.stanumbers5,
+ v.stavalues1, v.stavalues2, v.stavalues3, v.stavalues4
+ ,v.stavalues5
+ ), (
+ s.starelid::regclass, s.staattnum, s.stainherit,
+ s.stanullfrac, s.stawidth, s.stadistinct,
+ '2', '2', '2', '2',
+ '2',
+ s.staop1, s.staop2, s.staop3, s.staop4,
+ s.staop5,
+ s.stanumbers1, s.stanumbers2, s.stanumbers3, s.stanumbers4,
+ s.stanumbers5,
+ s.stavalues1, s.stavalues2, s.stavalues3, s.stavalues4
+ ,s.stavalues5
+ ))
+ FROM dbms_stats._column_stats_locked v,
+ pg_statistic s
+ WHERE v.starelid = 'st0'::regclass
+ AND v.staattnum = '2'::int2
+ AND s.starelid = 'st0'::regclass
+ AND s.staattnum = '1'::int2) m;
+ starelid | staattnum | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+----------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+---------------------------+-------------------+------------+-----------------------------------+-------------------------------------------
+ st0 | 2 | t | -2 | -2 | -2 | 2 | 2 | 2 | 2 | 2 | 22 | 23 | 24 | 21 | 25 | {-2,22} | {-2,23} | {-2,24} | {-2,21} | {-2,25} | {"test ","test ","test "} | {"test ","test "} | {"test "} | {"test ","test ","test ","test "} | {"test ","test ","test ","test ","test "}
+(1 row)
+
+-- No.5-1-21
+SELECT dbms_stats.merge((v.starelid::regclass, '2', v.stainherit,
+ v.stanullfrac, v.stawidth, v.stadistinct,
+ '1', '1', '1', '1',
+ '1',
+ v.staop1, v.staop2, v.staop3, v.staop4,
+ v.staop5,
+ v.stanumbers1, v.stanumbers2, v.stanumbers3, v.stanumbers4,
+ v.stanumbers5,
+ v.stavalues1, v.stavalues2, v.stavalues3, v.stavalues4
+ ,v.stavalues5
+ ), (
+ s.starelid::regclass, s.staattnum, s.stainherit,
+ s.stanullfrac, s.stawidth, s.stadistinct,
+ '1', '1', '1', '1',
+ '1',
+ s.staop1, s.staop2, s.staop3, s.staop4,
+ s.staop5,
+ s.stanumbers1, s.stanumbers2, s.stanumbers3, s.stanumbers4,
+ s.stanumbers5,
+ s.stavalues1, s.stavalues2, s.stavalues3, s.stavalues4
+ ,s.stavalues5
+ ))
+ FROM dbms_stats._column_stats_locked v,
+ pg_statistic s
+ WHERE v.starelid = 'st0'::regclass
+ AND v.staattnum = '1'::int2
+ AND s.starelid = 'st0'::regclass
+ AND s.staattnum = '1'::int2;
+LOG: pg_dbms_stats: bad column type
+DETAIL: type of column "name" has been changed
+HINT: need to execute dbms_stats.unlock('st0', 'name')
+ merge
+--------
+ (null)
+(1 row)
+
+-- No.5-1-22
+SELECT dbms_stats.merge((v.starelid::regclass, '2', v.stainherit,
+ v.stanullfrac, v.stawidth, v.stadistinct,
+ '2', '2', '2', '2',
+ '2',
+ v.staop1, v.staop2, v.staop3, v.staop4,
+ v.staop5,
+ v.stanumbers1, v.stanumbers2, v.stanumbers3, v.stanumbers4,
+ v.stanumbers5,
+ v.stavalues1, v.stavalues2, v.stavalues3, v.stavalues4
+ ,v.stavalues5
+ ), (
+ s.starelid::regclass, s.staattnum, s.stainherit,
+ s.stanullfrac, s.stawidth, s.stadistinct,
+ '2', '2', '2', '2',
+ '2',
+ s.staop1, s.staop2, s.staop3, s.staop4,
+ s.staop5,
+ s.stanumbers1, s.stanumbers2, s.stanumbers3, s.stanumbers4,
+ s.stanumbers5,
+ s.stavalues1, s.stavalues2, s.stavalues3, s.stavalues4
+ ,s.stavalues5
+ ))
+ FROM dbms_stats._column_stats_locked v,
+ pg_statistic s
+ WHERE v.starelid = 'st0'::regclass
+ AND v.staattnum = '1'::int2
+ AND s.starelid = 'st0'::regclass
+ AND s.staattnum = '1'::int2;
+LOG: pg_dbms_stats: bad column type
+DETAIL: type of column "name" has been changed
+HINT: need to execute dbms_stats.unlock('st0', 'name')
+ merge
+--------
+ (null)
+(1 row)
+
+RESET client_min_messages;
+SELECT dbms_stats.unlock_database_stats();
+ unlock_database_stats
+-----------------------
+ st0
+(1 row)
+
+/*
+ * No.6-4 dbms_stats.is_target_relkind
+ */
+-- No.6-4- 10-11
+SELECT dbms_stats.is_target_relkind(k::"char")
+ FROM (VALUES ('r'), ('i'), ('f'), ('m'),
+ ('S'), ('t'), ('v'), ('c')) t(k);
+ is_target_relkind
+-------------------
+ t
+ t
+ t
+ t
+ f
+ f
+ f
+ f
+(8 rows)
+
+/*
+ * No.7-1 dbms_stats.backup
+ */
+DELETE FROM dbms_stats.backup_history;
+INSERT INTO dbms_stats.backup_history(id, time, unit) values(1, '2012-01-01', 'd');
+-- No.7-1-9
+SELECT dbms_stats.backup(1, 's0.sft0'::regclass, NULL);
+ backup
+--------
+ 1
+(1 row)
+
+SELECT count(*) FROM dbms_stats.relation_stats_backup;
+ count
+-------
+ 1
+(1 row)
+
+SELECT count(*) FROM dbms_stats.column_stats_backup;
+ count
+-------
+ 1
+(1 row)
+
+-- No.7-1-10
+DELETE FROM dbms_stats.relation_stats_backup;
+SELECT dbms_stats.backup(1, 's0.smv0'::regclass, NULL);
+ backup
+--------
+ 1
+(1 row)
+
+SELECT count(*) FROM dbms_stats.relation_stats_backup;
+ count
+-------
+ 1
+(1 row)
+
+SELECT count(*) FROM dbms_stats.column_stats_backup;
+ count
+-------
+ 3
+(1 row)
+
+-- No.7-1-12
+DELETE FROM dbms_stats.relation_stats_backup;
+SELECT dbms_stats.backup(1, NULL, 1::int2);
+ backup
+--------
+ 1
+(1 row)
+
+SELECT relid::regclass FROM dbms_stats.relation_stats_backup
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ s1.st0
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+(16 rows)
+
+SELECT starelid::regclass, staattnum FROM dbms_stats.column_stats_backup
+ GROUP BY starelid, staattnum
+ ORDER BY starelid, staattnum;
+ starelid | staattnum
+----------+-----------
+ st0 | 1
+ st1 | 1
+ s0.st0 | 1
+ s0.st1 | 1
+ s0.st2 | 1
+ s1.st0 | 1
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 1
+(9 rows)
+
+-- No.7-1-14
+DELETE FROM dbms_stats.relation_stats_backup;
+SELECT dbms_stats.backup(1, NULL::regclass, NULL);
+ backup
+--------
+ 1
+(1 row)
+
+SELECT relid::regclass FROM dbms_stats.relation_stats_backup
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ s1.st0
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+(16 rows)
+
+SELECT starelid::regclass, staattnum FROM dbms_stats.column_stats_backup
+ GROUP BY starelid, staattnum
+ ORDER BY starelid, staattnum;
+ starelid | staattnum
+----------+-----------
+ st0 | 1
+ st0 | 2
+ st1 | 1
+ st1 | 2
+ s0.st0 | 1
+ s0.st0 | 2
+ s0.st1 | 1
+ s0.st1 | 2
+ s0.st2 | 1
+ s0.st2 | 2
+ s1.st0 | 1
+ s1.st0 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 1
+ s0.smv0 | 2
+ s0.smv0 | 3
+(17 rows)
+
+-- No.7-1-18
+DELETE FROM dbms_stats.relation_stats_backup;
+\! psql contrib_regression -c "SELECT dbms_stats.backup(NULL, 's0.st0'::regclass, NULL)" > results/ut_no2_1_17.out 2>&1
+SELECT count(*) FROM dbms_stats.relation_stats_backup;
+ count
+-------
+ 0
+(1 row)
+
+SELECT count(*) FROM dbms_stats.column_stats_backup;
+ count
+-------
+ 0
+(1 row)
+
+/*
+ * No.8-1 dbms_stats.backup
+ */
+SELECT setval('dbms_stats.backup_history_id_seq',1, false);
+ setval
+--------
+ 1
+(1 row)
+
+/*
+ * Stab function dbms_stats.backup
+ */
+ALTER FUNCTION dbms_stats.backup(
+ backup_id int8,
+ relid regclass,
+ attnum int2)
+ RENAME TO truth_func_backup;
+CREATE OR REPLACE FUNCTION dbms_stats.backup(
+ backup_id int8,
+ regclass,
+ attnum int2)
+RETURNS int8 AS
+$$
+BEGIN
+ RAISE NOTICE 'arguments are %, %, %', $1, $2, $3;
+ RETURN 1;
+END;
+$$
+LANGUAGE plpgsql;
+-- No.8-1-1
+DELETE FROM dbms_stats.backup_history;
+SELECT dbms_stats.backup('s0.st0'::regclass, 'id', 'dummy comment');
+NOTICE: arguments are 1, s0.st0, 1
+CONTEXT: SQL statement "INSERT INTO dbms_stats.backup_history(time, unit, comment)
+ VALUES (current_timestamp, unit_type, $3)
+ RETURNING dbms_stats.backup(id, $1, set_attnum)"
+PL/pgSQL function dbms_stats.backup(regclass,text,text) line 42 at SQL statement
+ backup
+--------
+ 1
+(1 row)
+
+SELECT id, unit, comment FROM dbms_stats.backup_history;
+ id | unit | comment
+----+------+---------------
+ 1 | c | dummy comment
+(1 row)
+
+-- No.8-1-2
+DELETE FROM dbms_stats.backup_history;
+SELECT dbms_stats.backup('s0.st0'::regclass, NULL, 'dummy comment');
+NOTICE: arguments are 2, s0.st0, <NULL>
+CONTEXT: SQL statement "INSERT INTO dbms_stats.backup_history(time, unit, comment)
+ VALUES (current_timestamp, unit_type, $3)
+ RETURNING dbms_stats.backup(id, $1, set_attnum)"
+PL/pgSQL function dbms_stats.backup(regclass,text,text) line 42 at SQL statement
+ backup
+--------
+ 1
+(1 row)
+
+SELECT id, unit, comment FROM dbms_stats.backup_history;
+ id | unit | comment
+----+------+---------------
+ 2 | t | dummy comment
+(1 row)
+
+-- No.8-1-3
+DELETE FROM dbms_stats.backup_history;
+SELECT dbms_stats.backup(NULL::regclass, 'id', 'dummy comment');
+ERROR: relation required
+SELECT id, unit, comment FROM dbms_stats.backup_history;
+ id | unit | comment
+----+------+---------
+(0 rows)
+
+-- No.8-1-4
+DELETE FROM dbms_stats.backup_history;
+SELECT dbms_stats.backup(NULL::regclass, NULL, 'dummy comment');
+NOTICE: arguments are 3, <NULL>, <NULL>
+CONTEXT: SQL statement "INSERT INTO dbms_stats.backup_history(time, unit, comment)
+ VALUES (current_timestamp, unit_type, $3)
+ RETURNING dbms_stats.backup(id, $1, set_attnum)"
+PL/pgSQL function dbms_stats.backup(regclass,text,text) line 42 at SQL statement
+ backup
+--------
+ 1
+(1 row)
+
+SELECT id, unit, comment FROM dbms_stats.backup_history;
+ id | unit | comment
+----+------+---------------
+ 3 | d | dummy comment
+(1 row)
+
+-- No.8-1-5
+DELETE FROM dbms_stats.backup_history;
+SELECT dbms_stats.backup(0, NULL, 'dummy comment');
+ERROR: relation "-" not found
+SELECT id, unit, comment FROM dbms_stats.backup_history;
+ id | unit | comment
+----+------+---------
+(0 rows)
+
+-- No.8-1-6
+DELETE FROM dbms_stats.backup_history;
+SELECT dbms_stats.backup('s0.st0'::regclass, NULL, 'dummy comment');
+NOTICE: arguments are 4, s0.st0, <NULL>
+CONTEXT: SQL statement "INSERT INTO dbms_stats.backup_history(time, unit, comment)
+ VALUES (current_timestamp, unit_type, $3)
+ RETURNING dbms_stats.backup(id, $1, set_attnum)"
+PL/pgSQL function dbms_stats.backup(regclass,text,text) line 42 at SQL statement
+ backup
+--------
+ 1
+(1 row)
+
+SELECT id, unit, comment FROM dbms_stats.backup_history;
+ id | unit | comment
+----+------+---------------
+ 4 | t | dummy comment
+(1 row)
+
+-- No.8-1-7
+DELETE FROM dbms_stats.backup_history;
+SELECT dbms_stats.backup(
+ 'pg_toast.pg_toast_2618'::regclass,
+ NULL,
+ 'dummy comment');
+ERROR: relation of relkind "t" cannot have statistics to backup: "pg_toast.pg_toast_2618"
+HINT: Only tables(r), materialized views(m), foreign tables(f) and indexes(i) are allowed.
+SELECT id, unit, comment FROM dbms_stats.backup_history;
+ id | unit | comment
+----+------+---------
+(0 rows)
+
+-- No.8-1-8
+DELETE FROM dbms_stats.backup_history;
+SELECT dbms_stats.backup('s0.st0_idx'::regclass, NULL, 'dummy comment');
+NOTICE: arguments are 5, s0.st0_idx, <NULL>
+CONTEXT: SQL statement "INSERT INTO dbms_stats.backup_history(time, unit, comment)
+ VALUES (current_timestamp, unit_type, $3)
+ RETURNING dbms_stats.backup(id, $1, set_attnum)"
+PL/pgSQL function dbms_stats.backup(regclass,text,text) line 42 at SQL statement
+ backup
+--------
+ 1
+(1 row)
+
+SELECT id, unit, comment FROM dbms_stats.backup_history;
+ id | unit | comment
+----+------+---------------
+ 5 | t | dummy comment
+(1 row)
+
+-- No.8-1-9
+DELETE FROM dbms_stats.backup_history;
+SELECT dbms_stats.backup('s0.ss0'::regclass, NULL, 'dummy comment');
+ERROR: relation of relkind "S" cannot have statistics to backup: "s0.ss0"
+HINT: Only tables(r), materialized views(m), foreign tables(f) and indexes(i) are allowed.
+SELECT id, unit, comment FROM dbms_stats.backup_history;
+ id | unit | comment
+----+------+---------
+(0 rows)
+
+-- No.8-1-10
+DELETE FROM dbms_stats.backup_history;
+SELECT dbms_stats.backup('s0.sc0'::regclass, NULL, 'dummy comment');
+ERROR: relation of relkind "c" cannot have statistics to backup: "s0.sc0"
+HINT: Only tables(r), materialized views(m), foreign tables(f) and indexes(i) are allowed.
+SELECT id, unit, comment FROM dbms_stats.backup_history;
+ id | unit | comment
+----+------+---------
+(0 rows)
+
+-- No.8-1-11
+DELETE FROM dbms_stats.backup_history;
+SELECT dbms_stats.backup('s0.sft0'::regclass, NULL, 'dummy comment');
+NOTICE: arguments are 6, s0.sft0, <NULL>
+CONTEXT: SQL statement "INSERT INTO dbms_stats.backup_history(time, unit, comment)
+ VALUES (current_timestamp, unit_type, $3)
+ RETURNING dbms_stats.backup(id, $1, set_attnum)"
+PL/pgSQL function dbms_stats.backup(regclass,text,text) line 42 at SQL statement
+ backup
+--------
+ 1
+(1 row)
+
+SELECT id, unit, comment FROM dbms_stats.backup_history;
+ id | unit | comment
+----+------+---------------
+ 6 | t | dummy comment
+(1 row)
+
+-- No.8-1-12
+DELETE FROM dbms_stats.backup_history;
+SELECT dbms_stats.backup('s0.smv0'::regclass, NULL, 'dummy comment');
+NOTICE: arguments are 7, s0.smv0, <NULL>
+CONTEXT: SQL statement "INSERT INTO dbms_stats.backup_history(time, unit, comment)
+ VALUES (current_timestamp, unit_type, $3)
+ RETURNING dbms_stats.backup(id, $1, set_attnum)"
+PL/pgSQL function dbms_stats.backup(regclass,text,text) line 42 at SQL statement
+ backup
+--------
+ 1
+(1 row)
+
+SELECT id, unit, comment FROM dbms_stats.backup_history;
+ id | unit | comment
+----+------+---------------
+ 7 | t | dummy comment
+(1 row)
+
+-- No.8-1-13
+DELETE FROM dbms_stats.backup_history;
+SELECT dbms_stats.backup('pg_catalog.pg_class'::regclass, NULL, 'dummy comment');
+ERROR: backing up statistics is inhibited for system catalogs: "pg_class"
+SELECT id, unit, comment FROM dbms_stats.backup_history;
+ id | unit | comment
+----+------+---------
+(0 rows)
+
+-- No.8-1-14
+DELETE FROM dbms_stats.backup_history;
+SELECT dbms_stats.backup('s0.st0'::regclass, 'dummy', 'dummy comment');
+ERROR: column "dummy" not found in relation "s0.st0"
+SELECT id, unit, comment FROM dbms_stats.backup_history;
+ id | unit | comment
+----+------+---------
+(0 rows)
+
+-- No.8-1-15
+DELETE FROM dbms_stats.backup_history;
+DELETE FROM pg_statistic
+ WHERE starelid = 's0.st0'::regclass
+ AND staattnum = 1::int2;
+SELECT count(*) FROM dbms_stats.column_stats_effective
+ WHERE starelid = 's0.st0'::regclass
+ AND staattnum = 1::int2;
+ count
+-------
+ 0
+(1 row)
+
+SELECT dbms_stats.backup('s0.st0'::regclass, 'id', 'dummy comment');
+ERROR: no statistics available for column "id" of relation "s0.st0"
+SELECT id, unit, comment FROM dbms_stats.backup_history;
+ id | unit | comment
+----+------+---------
+(0 rows)
+
+/*
+ * Stab function dbms_stats.backup
+ */
+ALTER FUNCTION dbms_stats.backup(
+ relid regclass,
+ attname text,
+ comment text)
+ RENAME TO truth_func_backup;
+CREATE OR REPLACE FUNCTION dbms_stats.backup(
+ relid regclass DEFAULT NULL,
+ attname text DEFAULT NULL,
+ comment text DEFAULT NULL)
+RETURNS int8 AS
+$$
+BEGIN
+ IF $3 = '<NULL>' THEN
+ RAISE NOTICE 'third argument is not NULL but string "<NULL>"';
+ END IF;
+ RAISE NOTICE 'arguments are %, %, %', $1, $2, $3;
+ RETURN 1;
+END;
+$$
+LANGUAGE plpgsql;
+/*
+ * No.8-3 dbms_stats.backup_schema_stats
+ */
+SELECT setval('dbms_stats.backup_history_id_seq',9, false);
+ setval
+--------
+ 9
+(1 row)
+
+-- No.8-3-1
+SELECT dbms_stats.backup_schema_stats('s0', 'comment');
+NOTICE: arguments are 9, s0.st0, <NULL>
+CONTEXT: SQL statement "SELECT dbms_stats.backup(backup_id, cn.oid, NULL)
+ FROM (SELECT c.oid
+ FROM pg_catalog.pg_class c,
+ pg_catalog.pg_namespace n
+ WHERE n.nspname = schemaname
+ AND c.relnamespace = n.oid
+ AND dbms_stats.is_target_relkind(c.relkind)
+ ORDER BY c.oid
+ ) cn"
+PL/pgSQL function dbms_stats.backup_schema_stats(text,text) line 17 at PERFORM
+NOTICE: arguments are 9, s0.st0_idx, <NULL>
+CONTEXT: SQL statement "SELECT dbms_stats.backup(backup_id, cn.oid, NULL)
+ FROM (SELECT c.oid
+ FROM pg_catalog.pg_class c,
+ pg_catalog.pg_namespace n
+ WHERE n.nspname = schemaname
+ AND c.relnamespace = n.oid
+ AND dbms_stats.is_target_relkind(c.relkind)
+ ORDER BY c.oid
+ ) cn"
+PL/pgSQL function dbms_stats.backup_schema_stats(text,text) line 17 at PERFORM
+NOTICE: arguments are 9, s0.st1, <NULL>
+CONTEXT: SQL statement "SELECT dbms_stats.backup(backup_id, cn.oid, NULL)
+ FROM (SELECT c.oid
+ FROM pg_catalog.pg_class c,
+ pg_catalog.pg_namespace n
+ WHERE n.nspname = schemaname
+ AND c.relnamespace = n.oid
+ AND dbms_stats.is_target_relkind(c.relkind)
+ ORDER BY c.oid
+ ) cn"
+PL/pgSQL function dbms_stats.backup_schema_stats(text,text) line 17 at PERFORM
+NOTICE: arguments are 9, s0.st1_idx, <NULL>
+CONTEXT: SQL statement "SELECT dbms_stats.backup(backup_id, cn.oid, NULL)
+ FROM (SELECT c.oid
+ FROM pg_catalog.pg_class c,
+ pg_catalog.pg_namespace n
+ WHERE n.nspname = schemaname
+ AND c.relnamespace = n.oid
+ AND dbms_stats.is_target_relkind(c.relkind)
+ ORDER BY c.oid
+ ) cn"
+PL/pgSQL function dbms_stats.backup_schema_stats(text,text) line 17 at PERFORM
+NOTICE: arguments are 9, s0.st2, <NULL>
+CONTEXT: SQL statement "SELECT dbms_stats.backup(backup_id, cn.oid, NULL)
+ FROM (SELECT c.oid
+ FROM pg_catalog.pg_class c,
+ pg_catalog.pg_namespace n
+ WHERE n.nspname = schemaname
+ AND c.relnamespace = n.oid
+ AND dbms_stats.is_target_relkind(c.relkind)
+ ORDER BY c.oid
+ ) cn"
+PL/pgSQL function dbms_stats.backup_schema_stats(text,text) line 17 at PERFORM
+NOTICE: arguments are 9, s0.st2_idx, <NULL>
+CONTEXT: SQL statement "SELECT dbms_stats.backup(backup_id, cn.oid, NULL)
+ FROM (SELECT c.oid
+ FROM pg_catalog.pg_class c,
+ pg_catalog.pg_namespace n
+ WHERE n.nspname = schemaname
+ AND c.relnamespace = n.oid
+ AND dbms_stats.is_target_relkind(c.relkind)
+ ORDER BY c.oid
+ ) cn"
+PL/pgSQL function dbms_stats.backup_schema_stats(text,text) line 17 at PERFORM
+NOTICE: arguments are 9, s0.sft0, <NULL>
+CONTEXT: SQL statement "SELECT dbms_stats.backup(backup_id, cn.oid, NULL)
+ FROM (SELECT c.oid
+ FROM pg_catalog.pg_class c,
+ pg_catalog.pg_namespace n
+ WHERE n.nspname = schemaname
+ AND c.relnamespace = n.oid
+ AND dbms_stats.is_target_relkind(c.relkind)
+ ORDER BY c.oid
+ ) cn"
+PL/pgSQL function dbms_stats.backup_schema_stats(text,text) line 17 at PERFORM
+NOTICE: arguments are 9, s0.smv0, <NULL>
+CONTEXT: SQL statement "SELECT dbms_stats.backup(backup_id, cn.oid, NULL)
+ FROM (SELECT c.oid
+ FROM pg_catalog.pg_class c,
+ pg_catalog.pg_namespace n
+ WHERE n.nspname = schemaname
+ AND c.relnamespace = n.oid
+ AND dbms_stats.is_target_relkind(c.relkind)
+ ORDER BY c.oid
+ ) cn"
+PL/pgSQL function dbms_stats.backup_schema_stats(text,text) line 17 at PERFORM
+ backup_schema_stats
+---------------------
+ 9
+(1 row)
+
+SELECT id, unit, comment FROM dbms_stats.backup_history
+ ORDER BY id DESC
+ LIMIT 1;
+ id | unit | comment
+----+------+---------
+ 9 | s | comment
+(1 row)
+
+-- No.8-3-2
+SELECT dbms_stats.backup_schema_stats('s00', 'comment');
+ERROR: schema "s00" not found
+SELECT id, unit, comment FROM dbms_stats.backup_history
+ ORDER BY id DESC
+ LIMIT 1;
+ id | unit | comment
+----+------+---------
+ 9 | s | comment
+(1 row)
+
+-- No.8-3-3
+SELECT dbms_stats.backup_schema_stats('pg_catalog', 'comment');
+ERROR: backing up statistics is inhibited for system schemas: "pg_catalog"
+SELECT id, unit, comment FROM dbms_stats.backup_history
+ ORDER BY id DESC
+ LIMIT 1;
+ id | unit | comment
+----+------+---------
+ 9 | s | comment
+(1 row)
+
+/*
+ * Delete stab function dbms_stats.backup
+ */
+DROP FUNCTION dbms_stats.backup(
+ backup_id int8,
+ regclass,
+ attnum int2);
+ALTER FUNCTION dbms_stats.truth_func_backup(
+ backup_id int8,
+ regclass,
+ attnum int2)
+ RENAME TO backup;
+DROP FUNCTION dbms_stats.backup(
+ regclass,
+ attname text,
+ comment text);
+ALTER FUNCTION dbms_stats.truth_func_backup(
+ regclass,
+ attname text,
+ comment text)
+ RENAME TO backup;
+VACUUM ANALYZE;
+/*
+ * create backup statistics state A
+ */
+DELETE FROM dbms_stats.backup_history;
+INSERT INTO dbms_stats.backup_history(id, time, unit)
+ VALUES (1, '2012-02-29 23:59:56.999999', 'd');
+SELECT setval('dbms_stats.backup_history_id_seq',1);
+ setval
+--------
+ 1
+(1 row)
+
+SELECT dbms_stats.backup();
+ backup
+--------
+ 2
+(1 row)
+
+UPDATE dbms_stats.backup_history
+ SET time = '2012-02-29 23:59:57'
+ WHERE id = 2;
+SELECT dbms_stats.backup('s0.st0');
+ backup
+--------
+ 3
+(1 row)
+
+UPDATE dbms_stats.backup_history
+ SET time = '2012-02-29 23:59:57.000001'
+ WHERE id = 3;
+SELECT dbms_stats.backup();
+ backup
+--------
+ 4
+(1 row)
+
+UPDATE dbms_stats.backup_history
+ SET time = '2012-02-29 23:59:58'
+ WHERE id = 4;
+DELETE FROM dbms_stats.relation_stats_backup
+ WHERE id = 4;
+SELECT dbms_stats.backup('s0.st0', 'id');
+ backup
+--------
+ 5
+(1 row)
+
+UPDATE dbms_stats.backup_history
+ SET time = '2012-03-01 00:00:00'
+ WHERE id = 5;
+SELECT dbms_stats.backup('s0.st0');
+ backup
+--------
+ 6
+(1 row)
+
+UPDATE dbms_stats.backup_history
+ SET time = '2012-03-01 00:00:02'
+ WHERE id = 6;
+SELECT dbms_stats.backup('public.st0');
+ backup
+--------
+ 7
+(1 row)
+
+UPDATE dbms_stats.backup_history
+ SET time = '2012-03-01 00:00:04'
+ WHERE id = 7;
+INSERT INTO dbms_stats.backup_history(time, unit)
+ VALUES ('2012-03-01 00:00:06', 's');
+SELECT dbms_stats.backup(8, c.oid, NULL)
+ FROM pg_catalog.pg_class c,
+ pg_catalog.pg_namespace n
+ WHERE n.nspname = 's0'
+ AND c.relnamespace = n.oid
+ AND c.relkind IN ('r', 'i');
+ backup
+--------
+ 8
+ 8
+ 8
+ 8
+ 8
+ 8
+(6 rows)
+
+SELECT * FROM dbms_stats.backup_history
+ ORDER BY id;
+ id | time | unit | comment
+----+-------------------------------------+------+---------
+ 1 | Wed Feb 29 23:59:56.999999 2012 PST | d | (null)
+ 2 | Wed Feb 29 23:59:57 2012 PST | d | (null)
+ 3 | Wed Feb 29 23:59:57.000001 2012 PST | t | (null)
+ 4 | Wed Feb 29 23:59:58 2012 PST | d | (null)
+ 5 | Thu Mar 01 00:00:00 2012 PST | c | (null)
+ 6 | Thu Mar 01 00:00:02 2012 PST | t | (null)
+ 7 | Thu Mar 01 00:00:04 2012 PST | t | (null)
+ 8 | Thu Mar 01 00:00:06 2012 PST | s | (null)
+(8 rows)
+
+SELECT * FROM relations_backup_v;
+ id | relid | relname | relpages | reltuples | relallvisible | curpages
+----+------------+----------------+----------+-----------+---------------+----------
+ 2 | pt0 | public.pt0 | 0 | 0 | 0 | 0
+ 2 | pt0_idx | public.pt0_idx | 2 | 0 | 0 | 2
+ 2 | st0 | public.st0 | 1 | 2 | 1 | 1
+ 2 | st0_idx | public.st0_idx | 2 | 2 | 0 | 2
+ 2 | st1 | public.st1 | 45 | 10000 | 45 | 45
+ 2 | s0.st0 | s0.st0 | 1 | 2 | 1 | 1
+ 2 | s0.st0_idx | s0.st0_idx | 2 | 2 | 0 | 2
+ 2 | s0.st1 | s0.st1 | 1 | 3 | 1 | 1
+ 2 | s0.st1_idx | s0.st1_idx | 2 | 3 | 0 | 2
+ 2 | s0.st2 | s0.st2 | 1 | 3 | 1 | 1
+ 2 | s0.st2_idx | s0.st2_idx | 2 | 3 | 0 | 2
+ 2 | s1.st0 | s1.st0 | 1 | 4 | 1 | 1
+ 2 | st1_idx | public.st1_idx | 30 | 10000 | 0 | 30
+ 2 | st1_exp | public.st1_exp | 30 | 10000 | 0 | 30
+ 2 | s0.sft0 | s0.sft0 | 1 | 10 | 0 | 0
+ 2 | s0.smv0 | s0.smv0 | 1 | 2 | 1 | 1
+ 3 | s0.st0 | s0.st0 | 1 | 2 | 1 | 1
+ 5 | s0.st0 | s0.st0 | 1 | 2 | 1 | 1
+ 6 | s0.st0 | s0.st0 | 1 | 2 | 1 | 1
+ 7 | st0 | public.st0 | 1 | 2 | 1 | 1
+ 8 | s0.st0 | s0.st0 | 1 | 2 | 1 | 1
+ 8 | s0.st0_idx | s0.st0_idx | 2 | 2 | 0 | 2
+ 8 | s0.st1 | s0.st1 | 1 | 3 | 1 | 1
+ 8 | s0.st1_idx | s0.st1_idx | 2 | 3 | 0 | 2
+ 8 | s0.st2 | s0.st2 | 1 | 3 | 1 | 1
+ 8 | s0.st2_idx | s0.st2_idx | 2 | 3 | 0 | 2
+(26 rows)
+
+SELECT * FROM columns_backup_v;
+ id | statypid | starelid | staattnum | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+----+----------+----------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+------------------------+-------------+-------------+-------------+-------------+------------------------+------------+------------+------------+------------
+ 2 | 23 | st0 | 1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2} | (null) | (null) | (null) | (null)
+ 2 | 1042 | st0 | 2 | f | 0 | 6 | -0.5 | 1 | 3 | 0 | 0 | 0 | 1054 | 1058 | 0 | 0 | 0 | {1} | {1} | (null) | (null) | (null) | {"test "} | (null) | (null) | (null) | (null)
+ 2 | 23 | st1 | 1 | f | 0 | 4 | 3 | 1 | 3 | 0 | 0 | 0 | 96 | 97 | 0 | 0 | 0 | {0.3334,0.3333,0.3333} | {0.3332} | (null) | (null) | (null) | {1,0,2} | (null) | (null) | (null) | (null)
+ 2 | 25 | st1 | 2 | f | 0 | 2 | 3 | 1 | 3 | 0 | 0 | 0 | 98 | 664 | 0 | 0 | 0 | {0.3334,0.3333,0.3333} | {0.3332} | (null) | (null) | (null) | {1,0,2} | (null) | (null) | (null) | (null)
+ 2 | 23 | s0.st0 | 1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2} | (null) | (null) | (null) | (null)
+ 2 | 23 | s0.st0 | 1 | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,4,5,6} | (null) | (null) | (null) | (null)
+ 2 | 23 | s0.st0 | 2 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20} | (null) | (null) | (null) | (null)
+ 2 | 23 | s0.st0 | 2 | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20,40,50,60} | (null) | (null) | (null) | (null)
+ 2 | 23 | s0.st1 | 1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {4,5,6} | (null) | (null) | (null) | (null)
+ 2 | 23 | s0.st1 | 2 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {40,50,60} | (null) | (null) | (null) | (null)
+ 2 | 23 | s0.st2 | 1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,3} | (null) | (null) | (null) | (null)
+ 2 | 25 | s0.st2 | 2 | f | 0 | 5 | -1 | 2 | 3 | 0 | 0 | 0 | 664 | 664 | 0 | 0 | 0 | (null) | {0.5} | (null) | (null) | (null) | {1,comment,test} | (null) | (null) | (null) | (null)
+ 2 | 23 | s1.st0 | 1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,3,4} | (null) | (null) | (null) | (null)
+ 2 | 23 | s1.st0 | 2 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {15,25,35,45} | (null) | (null) | (null) | (null)
+ 2 | 25 | st1_exp | 1 | f | 0 | 5 | 3 | 1 | 3 | 0 | 0 | 0 | 98 | 664 | 0 | 0 | 0 | {0.3334,0.3333,0.3333} | {0.3332} | (null) | (null) | (null) | {1,0,2} | (null) | (null) | (null) | (null)
+ 2 | 23 | s0.sft0 | 1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,3,4,5,6,7,8,9,10} | (null) | (null) | (null) | (null)
+ 2 | 23 | s0.smv0 | 1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2} | (null) | (null) | (null) | (null)
+ 2 | 23 | s0.smv0 | 2 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20} | (null) | (null) | (null) | (null)
+ 2 | 25 | s0.smv0 | 3 | f | 0 | 3 | -1 | 2 | 3 | 0 | 0 | 0 | 664 | 664 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,test} | (null) | (null) | (null) | (null)
+ 3 | 23 | s0.st0 | 1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2} | (null) | (null) | (null) | (null)
+ 3 | 23 | s0.st0 | 1 | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,4,5,6} | (null) | (null) | (null) | (null)
+ 3 | 23 | s0.st0 | 2 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20} | (null) | (null) | (null) | (null)
+ 3 | 23 | s0.st0 | 2 | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20,40,50,60} | (null) | (null) | (null) | (null)
+ 5 | 23 | s0.st0 | 1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2} | (null) | (null) | (null) | (null)
+ 5 | 23 | s0.st0 | 1 | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,4,5,6} | (null) | (null) | (null) | (null)
+ 6 | 23 | s0.st0 | 1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2} | (null) | (null) | (null) | (null)
+ 6 | 23 | s0.st0 | 1 | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,4,5,6} | (null) | (null) | (null) | (null)
+ 6 | 23 | s0.st0 | 2 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20} | (null) | (null) | (null) | (null)
+ 6 | 23 | s0.st0 | 2 | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20,40,50,60} | (null) | (null) | (null) | (null)
+ 7 | 23 | st0 | 1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2} | (null) | (null) | (null) | (null)
+ 7 | 1042 | st0 | 2 | f | 0 | 6 | -0.5 | 1 | 3 | 0 | 0 | 0 | 1054 | 1058 | 0 | 0 | 0 | {1} | {1} | (null) | (null) | (null) | {"test "} | (null) | (null) | (null) | (null)
+ 8 | 23 | s0.st0 | 1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2} | (null) | (null) | (null) | (null)
+ 8 | 23 | s0.st0 | 1 | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,4,5,6} | (null) | (null) | (null) | (null)
+ 8 | 23 | s0.st0 | 2 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20} | (null) | (null) | (null) | (null)
+ 8 | 23 | s0.st0 | 2 | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20,40,50,60} | (null) | (null) | (null) | (null)
+ 8 | 23 | s0.st1 | 1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {4,5,6} | (null) | (null) | (null) | (null)
+ 8 | 23 | s0.st1 | 2 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {40,50,60} | (null) | (null) | (null) | (null)
+ 8 | 23 | s0.st2 | 1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,3} | (null) | (null) | (null) | (null)
+ 8 | 25 | s0.st2 | 2 | f | 0 | 5 | -1 | 2 | 3 | 0 | 0 | 0 | 664 | 664 | 0 | 0 | 0 | (null) | {0.5} | (null) | (null) | (null) | {1,comment,test} | (null) | (null) | (null) | (null)
+(39 rows)
+
+VACUUM ANALYZE;
+/*
+ * No.9-1 dbms_stats.restore
+ */
+-- No.9-1-1
+DELETE FROM dbms_stats._relation_stats_locked;
+VACUUM dbms_stats._relation_stats_locked; -- in order to avoid auto vacuum
+BEGIN;
+SELECT * FROM internal_locks;
+ relation | mode
+----------+------
+(0 rows)
+
+SELECT dbms_stats.restore(2, 's0.st0', NULL);
+ restore
+---------
+ s0.st0
+(1 row)
+
+SELECT * FROM internal_locks;
+ relation | mode
+-----------------------------------+------------------
+ dbms_stats.backup_history | RowShareLock
+ dbms_stats.column_stats_backup | AccessShareLock
+ dbms_stats._column_stats_locked | RowExclusiveLock
+ dbms_stats.relation_stats_backup | AccessShareLock
+ dbms_stats.relation_stats_backup | RowShareLock
+ dbms_stats._relation_stats_locked | RowExclusiveLock
+ dbms_stats._relation_stats_locked | RowShareLock
+(7 rows)
+
+COMMIT;
+SELECT relid::regclass FROM dbms_stats.relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+--------
+ s0.st0
+(1 row)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ s0.st0 | id | f
+ s0.st0 | id | t
+ s0.st0 | num | f
+ s0.st0 | num | t
+(4 rows)
+
+-- No.9-1-2
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.restore(2, 'st0', NULL);
+ restore
+---------
+ st0
+(1 row)
+
+SELECT relid::regclass FROM dbms_stats.relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+-------
+ st0
+(1 row)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+(2 rows)
+
+-- No.9-1-3
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.restore(2, 's00.s0', NULL);
+ERROR: schema "s00" does not exist
+LINE 1: SELECT dbms_stats.restore(2, 's00.s0', NULL);
+ ^
+SELECT count(*) FROM dbms_stats.column_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+SELECT count(*) FROM dbms_stats.relation_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+-- No.9-1-4
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.restore(NULL, 's0.st0', NULL);
+ERROR: backup id required
+SELECT count(*) FROM dbms_stats.column_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+SELECT count(*) FROM dbms_stats.relation_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+-- No.9-1-5
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.restore(2, 's0.st0', 'id');
+ restore
+---------
+ s0.st0
+(1 row)
+
+SELECT relid::regclass FROM dbms_stats.relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+--------
+ s0.st0
+(1 row)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ s0.st0 | id | f
+ s0.st0 | id | t
+(2 rows)
+
+-- No.9-1-6
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.restore(2, NULL, 'id');
+ERROR: relation required
+SELECT count(*) FROM dbms_stats.column_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+SELECT count(*) FROM dbms_stats.relation_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+-- No.9-1-7
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.restore(2, 's0.st0', NULL);
+ restore
+---------
+ s0.st0
+(1 row)
+
+SELECT relid::regclass FROM dbms_stats.relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+--------
+ s0.st0
+(1 row)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ s0.st0 | id | f
+ s0.st0 | id | t
+ s0.st0 | num | f
+ s0.st0 | num | t
+(4 rows)
+
+-- No.9-1-8
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.restore(2, NULL, NULL);
+ restore
+------------
+ pt0
+ pt0_idx
+ s0.sft0
+ s0.smv0
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ s1.st0
+ st0
+ st0_idx
+ st1
+ st1_exp
+ st1_idx
+(16 rows)
+
+SELECT relid::regclass FROM dbms_stats.relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ s1.st0
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+(16 rows)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | id | f
+ s0.st0 | id | t
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ s1.st0 | id | f
+ s1.st0 | num | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+(19 rows)
+
+-- No.9-1-9
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.restore(0, 's0.st0', NULL);
+ERROR: backup id 0 not found
+SELECT relid::regclass FROM dbms_stats.relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+-------
+(0 rows)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+(0 rows)
+
+-- No.9-1-10
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.restore(2, 0, 'id');
+ERROR: relation "-" not found
+SELECT count(*) FROM dbms_stats.column_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+SELECT count(*) FROM dbms_stats.relation_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+-- No.9-1-11
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.restore(1, 's0.st0', NULL);
+ERROR: statistics of relation "s0.st0" not found in any backups before backup id = 1
+SELECT count(*) FROM dbms_stats.column_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+SELECT count(*) FROM dbms_stats.relation_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+-- No.9-1-12
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.restore(2, 's0.st0', 'dummy');
+ERROR: column "dummy" not found in relation s0.st0
+SELECT count(*) FROM dbms_stats.column_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+SELECT count(*) FROM dbms_stats.relation_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+-- No.9-1-13
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.restore(1, 's0.st0', 'id');
+ERROR: statistics of relation "s0.st0" not found in any backups before backup id = 1
+SELECT count(*) FROM dbms_stats.column_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+SELECT count(*) FROM dbms_stats.relation_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+-- No.9-1-15
+DELETE FROM dbms_stats._relation_stats_locked;
+ALTER TABLE s1.st0 DROP COLUMN id;
+SELECT dbms_stats.restore(2, 's1.st0', 'id');
+ERROR: column "id" not found in relation s1.st0
+SELECT relid::regclass FROM dbms_stats.relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+-------
+(0 rows)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+(0 rows)
+
+-- No.9-1-14
+DELETE FROM dbms_stats._relation_stats_locked;
+\set s1_st0_oid `psql contrib_regression -tA -c "SELECT c.oid FROM pg_class c, pg_namespace n WHERE c.relnamespace = n.oid AND n.nspname = 's1' AND c.relname = 'st0';"`
+DROP TABLE s1.st0;
+-- SELECT dbms_stats.restore(2, :s1_st0_oid, NULL);
+-- To avoid test unstability caused by relation id alloction, the test
+-- above is omitted.
+SELECT count(*) FROM dbms_stats.relation_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+SELECT count(*) FROM dbms_stats.column_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+CREATE TABLE s1.st0(id integer, num integer);
+INSERT INTO s1.st0 VALUES (1, 15), (2, 25), (3, 35), (4, 45);
+VACUUM ANALYZE;
+-- No.9-1-16
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.restore(2, 's0.st0', NULL);
+ restore
+---------
+ s0.st0
+(1 row)
+
+SELECT relid::regclass FROM dbms_stats.relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+--------
+ s0.st0
+(1 row)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ s0.st0 | id | f
+ s0.st0 | id | t
+ s0.st0 | num | f
+ s0.st0 | num | t
+(4 rows)
+
+-- No.9-1-17
+DELETE FROM dbms_stats._relation_stats_locked;
+INSERT INTO dbms_stats.relation_stats_backup(
+ id, relid, relname, relpages, reltuples,
+ relallvisible,
+ curpages)
+ VALUES (2,
+ 'pg_toast.pg_toast_2618'::regclass,
+ 'pg_toast.pg_toast_2618', 1, 1,
+ 1,
+ 1);
+SELECT * FROM relations_backup_v
+ WHERE id = 2
+ AND relname = 'pg_toast.pg_toast_2618';
+ id | relid | relname | relpages | reltuples | relallvisible | curpages
+----+------------------------+------------------------+----------+-----------+---------------+----------
+ 2 | pg_toast.pg_toast_2618 | pg_toast.pg_toast_2618 | 1 | 1 | 1 | 1
+(1 row)
+
+SELECT dbms_stats.restore(2, 'pg_toast.pg_toast_2618', NULL);
+ restore
+---------
+(0 rows)
+
+SELECT count(*) FROM dbms_stats.column_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+SELECT count(*) FROM dbms_stats.relation_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+DELETE FROM dbms_stats.relation_stats_backup
+ WHERE id = 2
+ AND relname = 'pg_toast.pg_toast_2618';
+-- No.9-1-18
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.restore(2, 's0.st0_idx', NULL);
+ restore
+------------
+ s0.st0_idx
+(1 row)
+
+SELECT relid::regclass FROM dbms_stats.relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ s0.st0_idx
+(1 row)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+(0 rows)
+
+-- No.9-1-19
+DELETE FROM dbms_stats._relation_stats_locked;
+INSERT INTO dbms_stats.relation_stats_backup(
+ id, relid, relname, relpages, reltuples,
+ relallvisible,
+ curpages)
+ VALUES (2, 's0.ss0'::regclass, 's0.ss0', 1, 1,
+ 1,
+ 1);
+SELECT * FROM relations_backup_v
+ WHERE id = 2
+ AND relname = 's0.ss0';
+ id | relid | relname | relpages | reltuples | relallvisible | curpages
+----+--------+---------+----------+-----------+---------------+----------
+ 2 | s0.ss0 | s0.ss0 | 1 | 1 | 1 | 1
+(1 row)
+
+SELECT dbms_stats.restore(2, 's0.ss0', NULL);
+ restore
+---------
+(0 rows)
+
+SELECT count(*) FROM dbms_stats.column_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+SELECT count(*) FROM dbms_stats.relation_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+DELETE FROM dbms_stats.relation_stats_backup
+ WHERE id = 2
+ AND relname = 's0.ss0';
+-- No.9-1-20
+DELETE FROM dbms_stats._relation_stats_locked;
+INSERT INTO dbms_stats.relation_stats_backup(
+ id, relid, relname, relpages, reltuples,
+ relallvisible,
+ curpages)
+ VALUES (2, 's0.sc0'::regclass, 's0.sc0', 1, 1,
+ 1,
+ 1);
+SELECT * FROM relations_backup_v
+ WHERE id = 2
+ AND relname = 's0.sc0';
+ id | relid | relname | relpages | reltuples | relallvisible | curpages
+----+--------+---------+----------+-----------+---------------+----------
+ 2 | s0.sc0 | s0.sc0 | 1 | 1 | 1 | 1
+(1 row)
+
+SELECT dbms_stats.restore(2, 's0.sc0', NULL);
+ restore
+---------
+(0 rows)
+
+SELECT count(*) FROM dbms_stats.column_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+SELECT count(*) FROM dbms_stats.relation_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+DELETE FROM dbms_stats.relation_stats_backup
+ WHERE id = 2
+ AND relname = 's0.sc0';
+-- No.9-1-21
+DELETE FROM dbms_stats._relation_stats_locked;
+INSERT INTO dbms_stats.relation_stats_backup(
+ id, relid, relname, relpages, reltuples,
+ relallvisible,
+ curpages)
+ VALUES (3, 's0.sft0'::regclass, 's0.sft0', 1, 1,
+ 1,
+ 1);
+SELECT * FROM relations_backup_v
+ WHERE id = 3
+ AND relname = 's0.sft0';
+ id | relid | relname | relpages | reltuples | relallvisible | curpages
+----+---------+---------+----------+-----------+---------------+----------
+ 3 | s0.sft0 | s0.sft0 | 1 | 1 | 1 | 1
+(1 row)
+
+SELECT dbms_stats.restore(2, 's0.sft0', NULL);
+ restore
+---------
+ s0.sft0
+(1 row)
+
+SELECT count(*) FROM dbms_stats.column_stats_locked;
+ count
+-------
+ 1
+(1 row)
+
+SELECT count(*) FROM dbms_stats.relation_stats_locked;
+ count
+-------
+ 1
+(1 row)
+
+DELETE FROM dbms_stats.relation_stats_backup
+ WHERE id = 3
+ AND relname = 's0.sft0';
+-- No.9-1-22
+DELETE FROM dbms_stats._relation_stats_locked;
+INSERT INTO dbms_stats.relation_stats_backup(
+ id, relid, relname, relpages, reltuples,
+ relallvisible,
+ curpages)
+ VALUES (3, 's0.smv0'::regclass, 's0.smv0', 1, 1,
+ 1,
+ 1);
+SELECT * FROM relations_backup_v
+ WHERE id = 3
+ AND relname = 's0.smv0';
+ id | relid | relname | relpages | reltuples | relallvisible | curpages
+----+---------+---------+----------+-----------+---------------+----------
+ 3 | s0.smv0 | s0.smv0 | 1 | 1 | 1 | 1
+(1 row)
+
+SELECT dbms_stats.restore(2, 's0.smv0', NULL);
+ restore
+---------
+ s0.smv0
+(1 row)
+
+SELECT count(*) FROM dbms_stats.column_stats_locked;
+ count
+-------
+ 3
+(1 row)
+
+SELECT count(*) FROM dbms_stats.relation_stats_locked;
+ count
+-------
+ 1
+(1 row)
+
+DELETE FROM dbms_stats.relation_stats_backup
+ WHERE id = 3
+ AND relname = 's0.smv0';
+-- No.9-1-23
+DELETE FROM dbms_stats._relation_stats_locked;
+INSERT INTO dbms_stats.relation_stats_backup(
+ id, relid, relname, relpages, reltuples,
+ relallvisible,
+ curpages)
+ VALUES (2, 'pg_catalog.pg_class'::regclass, 'pg_catalog.pg_class', 1, 1,
+ 1,
+ 1);
+SELECT * FROM relations_backup_v
+ WHERE id = 2
+ AND relname = 'pg_catalog.pg_class';
+ id | relid | relname | relpages | reltuples | relallvisible | curpages
+----+----------+---------------------+----------+-----------+---------------+----------
+ 2 | pg_class | pg_catalog.pg_class | 1 | 1 | 1 | 1
+(1 row)
+
+SELECT dbms_stats.restore(2, 'pg_catalog.pg_class', NULL);
+ restore
+---------
+(0 rows)
+
+SELECT count(*) FROM dbms_stats.column_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+SELECT count(*) FROM dbms_stats.relation_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+DELETE FROM dbms_stats.relation_stats_backup
+ WHERE id = 2
+ AND relname = 'pg_catalog.pg_class';
+-- No.9-1-24
+DELETE FROM dbms_stats._relation_stats_locked;
+INSERT INTO dbms_stats._relation_stats_locked(relid, relname)
+ VALUES ('s0.st0'::regclass, 's0.st0');
+INSERT INTO dbms_stats._column_stats_locked(starelid, staattnum, stainherit)
+ SELECT starelid::regclass, staattnum, stainherit
+ FROM dbms_stats.column_stats_effective
+ WHERE starelid = 's0.st0'::regclass;
+SELECT id, unit, comment FROM dbms_stats.backup_history
+ WHERE id = 2;
+ id | unit | comment
+----+------+---------
+ 2 | d | (null)
+(1 row)
+
+SELECT * FROM columns_locked_v;
+ starelid | staattnum | attname | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+----------+-----------+---------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------+------------+------------+------------+------------
+ s0.st0 | 1 | id | f | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0.st0 | 1 | id | t | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0.st0 | 2 | num | f | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0.st0 | 2 | num | t | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+(4 rows)
+
+SELECT * FROM relations_locked_v;
+ relid | relname | relpages | reltuples | relallvisible | curpages
+--------+---------+----------+-----------+---------------+----------
+ s0.st0 | s0.st0 | (null) | (null) | (null) | (null)
+(1 row)
+
+SELECT dbms_stats.restore(2, 's0.st0', NULL);
+ restore
+---------
+ s0.st0
+(1 row)
+
+SELECT * FROM relations_locked_v;
+ relid | relname | relpages | reltuples | relallvisible | curpages
+--------+---------+----------+-----------+---------------+----------
+ s0.st0 | s0.st0 | 1 | 2 | 1 | 1
+(1 row)
+
+SELECT * FROM columns_locked_v;
+ starelid | staattnum | attname | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+----------+-----------+---------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------------+------------+------------+------------+------------
+ s0.st0 | 1 | id | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2} | (null) | (null) | (null) | (null)
+ s0.st0 | 1 | id | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,4,5,6} | (null) | (null) | (null) | (null)
+ s0.st0 | 2 | num | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20} | (null) | (null) | (null) | (null)
+ s0.st0 | 2 | num | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20,40,50,60} | (null) | (null) | (null) | (null)
+(4 rows)
+
+-- No.9-1-25
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT id, unit, comment FROM dbms_stats.backup_history
+ WHERE id = 2;
+ id | unit | comment
+----+------+---------
+ 2 | d | (null)
+(1 row)
+
+SELECT dbms_stats.restore(2, 's0.st0', NULL);
+ restore
+---------
+ s0.st0
+(1 row)
+
+SELECT * FROM relations_locked_v;
+ relid | relname | relpages | reltuples | relallvisible | curpages
+--------+---------+----------+-----------+---------------+----------
+ s0.st0 | s0.st0 | 1 | 2 | 1 | 1
+(1 row)
+
+SELECT * FROM columns_locked_v;
+ starelid | staattnum | attname | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+----------+-----------+---------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------------+------------+------------+------------+------------
+ s0.st0 | 1 | id | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2} | (null) | (null) | (null) | (null)
+ s0.st0 | 1 | id | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,4,5,6} | (null) | (null) | (null) | (null)
+ s0.st0 | 2 | num | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20} | (null) | (null) | (null) | (null)
+ s0.st0 | 2 | num | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20,40,50,60} | (null) | (null) | (null) | (null)
+(4 rows)
+
+/*
+ * Stab function dbms_stats.restore
+ */
+CREATE OR REPLACE FUNCTION dbms_stats.restore(
+ backup_id int8,
+ relid regclass DEFAULT NULL,
+ attname text DEFAULT NULL)
+RETURNS SETOF regclass AS
+$$
+BEGIN
+ RAISE NOTICE 'arguments are "%, %, %"', $1, $2, $3;
+ RETURN QUERY
+ SELECT c.oid::regclass
+ FROM pg_class c, dbms_stats.relation_stats_backup b
+ WHERE (c.oid = $2 OR $2 IS NULL)
+ AND c.oid = b.relid
+ AND c.relkind IN ('r', 'i')
+ AND (b.id <= $1 OR $1 IS NOT NULL)
+ GROUP BY c.oid
+ ORDER BY c.oid::regclass::text;
+END;
+$$
+LANGUAGE plpgsql;
+/*
+ * No.10-1 dbms_stats.restore_database_stats
+ */
+-- No.10-1-1
+SELECT dbms_stats.restore_database_stats('2012-02-29 23:59:57');
+NOTICE: arguments are "2, pt0, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, pt0_idx, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, st0, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, st0_idx, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, st1, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, s0.st0, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, s0.st0_idx, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, s0.st1, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, s0.st1_idx, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, s0.st2, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, s0.st2_idx, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, st1_idx, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, st1_exp, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, s0.sft0, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, s0.smv0, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+ restore_database_stats
+------------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+(13 rows)
+
+-- No.10-1-2
+SELECT dbms_stats.restore_database_stats('2012-02-29 23:59:57.000002');
+NOTICE: arguments are "2, pt0, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, pt0_idx, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, st0, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, st0_idx, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, st1, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "3, s0.st0, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, s0.st0_idx, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, s0.st1, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, s0.st1_idx, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, s0.st2, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, s0.st2_idx, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, st1_idx, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, st1_exp, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, s0.sft0, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, s0.smv0, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+ restore_database_stats
+------------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+(13 rows)
+
+-- No.10-1-3
+SELECT dbms_stats.restore_database_stats('2012-01-01 00:00:00');
+ restore_database_stats
+------------------------
+(0 rows)
+
+--#No.10-1-4 is skipped after lock tests
+--#No.10-1-5 is skipped after lock tests
+-- No.10-1-6
+SELECT dbms_stats.restore_database_stats('2012-02-29 23:59:57');
+NOTICE: arguments are "2, pt0, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, pt0_idx, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, st0, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, st0_idx, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, st1, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, s0.st0, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, s0.st0_idx, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, s0.st1, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, s0.st1_idx, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, s0.st2, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, s0.st2_idx, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, st1_idx, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, st1_exp, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, s0.sft0, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+NOTICE: arguments are "2, s0.smv0, <NULL>"
+CONTEXT: SQL function "restore_database_stats" statement 1
+ restore_database_stats
+------------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+(13 rows)
+
+/*
+ * No.10-2 dbms_stats.restore_schema_stats
+ */
+-- No.10-2-1
+SELECT dbms_stats.restore_schema_stats('s0', '2012-02-29 23:59:57');
+NOTICE: arguments are "2, s0.st0, <NULL>"
+CONTEXT: PL/pgSQL function dbms_stats.restore_schema_stats(text,timestamp with time zone) line 10 at RETURN QUERY
+NOTICE: arguments are "2, s0.st0_idx, <NULL>"
+CONTEXT: PL/pgSQL function dbms_stats.restore_schema_stats(text,timestamp with time zone) line 10 at RETURN QUERY
+NOTICE: arguments are "2, s0.st1, <NULL>"
+CONTEXT: PL/pgSQL function dbms_stats.restore_schema_stats(text,timestamp with time zone) line 10 at RETURN QUERY
+NOTICE: arguments are "2, s0.st1_idx, <NULL>"
+CONTEXT: PL/pgSQL function dbms_stats.restore_schema_stats(text,timestamp with time zone) line 10 at RETURN QUERY
+NOTICE: arguments are "2, s0.st2, <NULL>"
+CONTEXT: PL/pgSQL function dbms_stats.restore_schema_stats(text,timestamp with time zone) line 10 at RETURN QUERY
+NOTICE: arguments are "2, s0.st2_idx, <NULL>"
+CONTEXT: PL/pgSQL function dbms_stats.restore_schema_stats(text,timestamp with time zone) line 10 at RETURN QUERY
+NOTICE: arguments are "2, s0.sft0, <NULL>"
+CONTEXT: PL/pgSQL function dbms_stats.restore_schema_stats(text,timestamp with time zone) line 10 at RETURN QUERY
+NOTICE: arguments are "2, s0.smv0, <NULL>"
+CONTEXT: PL/pgSQL function dbms_stats.restore_schema_stats(text,timestamp with time zone) line 10 at RETURN QUERY
+ restore_schema_stats
+----------------------
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+(6 rows)
+
+-- No.10-2-2
+SELECT dbms_stats.restore_schema_stats('s0', '2012-02-29 23:59:57.000002');
+NOTICE: arguments are "3, s0.st0, <NULL>"
+CONTEXT: PL/pgSQL function dbms_stats.restore_schema_stats(text,timestamp with time zone) line 10 at RETURN QUERY
+NOTICE: arguments are "2, s0.st0_idx, <NULL>"
+CONTEXT: PL/pgSQL function dbms_stats.restore_schema_stats(text,timestamp with time zone) line 10 at RETURN QUERY
+NOTICE: arguments are "2, s0.st1, <NULL>"
+CONTEXT: PL/pgSQL function dbms_stats.restore_schema_stats(text,timestamp with time zone) line 10 at RETURN QUERY
+NOTICE: arguments are "2, s0.st1_idx, <NULL>"
+CONTEXT: PL/pgSQL function dbms_stats.restore_schema_stats(text,timestamp with time zone) line 10 at RETURN QUERY
+NOTICE: arguments are "2, s0.st2, <NULL>"
+CONTEXT: PL/pgSQL function dbms_stats.restore_schema_stats(text,timestamp with time zone) line 10 at RETURN QUERY
+NOTICE: arguments are "2, s0.st2_idx, <NULL>"
+CONTEXT: PL/pgSQL function dbms_stats.restore_schema_stats(text,timestamp with time zone) line 10 at RETURN QUERY
+NOTICE: arguments are "2, s0.sft0, <NULL>"
+CONTEXT: PL/pgSQL function dbms_stats.restore_schema_stats(text,timestamp with time zone) line 10 at RETURN QUERY
+NOTICE: arguments are "2, s0.smv0, <NULL>"
+CONTEXT: PL/pgSQL function dbms_stats.restore_schema_stats(text,timestamp with time zone) line 10 at RETURN QUERY
+ restore_schema_stats
+----------------------
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+(6 rows)
+
+-- No.10-2-3
+SELECT dbms_stats.restore_schema_stats('s0', '2012-01-01 00:00:00');
+ restore_schema_stats
+----------------------
+(0 rows)
+
+--#No.10-2-4 is skipped after lock tests
+--#No.10-2-5 is skipped after lock tests
+-- No.10-2-6
+SELECT dbms_stats.restore_schema_stats('s0', '2012-02-29 23:59:57');
+NOTICE: arguments are "2, s0.st0, <NULL>"
+CONTEXT: PL/pgSQL function dbms_stats.restore_schema_stats(text,timestamp with time zone) line 10 at RETURN QUERY
+NOTICE: arguments are "2, s0.st0_idx, <NULL>"
+CONTEXT: PL/pgSQL function dbms_stats.restore_schema_stats(text,timestamp with time zone) line 10 at RETURN QUERY
+NOTICE: arguments are "2, s0.st1, <NULL>"
+CONTEXT: PL/pgSQL function dbms_stats.restore_schema_stats(text,timestamp with time zone) line 10 at RETURN QUERY
+NOTICE: arguments are "2, s0.st1_idx, <NULL>"
+CONTEXT: PL/pgSQL function dbms_stats.restore_schema_stats(text,timestamp with time zone) line 10 at RETURN QUERY
+NOTICE: arguments are "2, s0.st2, <NULL>"
+CONTEXT: PL/pgSQL function dbms_stats.restore_schema_stats(text,timestamp with time zone) line 10 at RETURN QUERY
+NOTICE: arguments are "2, s0.st2_idx, <NULL>"
+CONTEXT: PL/pgSQL function dbms_stats.restore_schema_stats(text,timestamp with time zone) line 10 at RETURN QUERY
+NOTICE: arguments are "2, s0.sft0, <NULL>"
+CONTEXT: PL/pgSQL function dbms_stats.restore_schema_stats(text,timestamp with time zone) line 10 at RETURN QUERY
+NOTICE: arguments are "2, s0.smv0, <NULL>"
+CONTEXT: PL/pgSQL function dbms_stats.restore_schema_stats(text,timestamp with time zone) line 10 at RETURN QUERY
+ restore_schema_stats
+----------------------
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+(6 rows)
+
+-- No.10-2-7
+SELECT dbms_stats.restore_schema_stats('s0', '2012-02-29 23:59:57');
+NOTICE: arguments are "2, s0.st0, <NULL>"
+CONTEXT: PL/pgSQL function dbms_stats.restore_schema_stats(text,timestamp with time zone) line 10 at RETURN QUERY
+NOTICE: arguments are "2, s0.st0_idx, <NULL>"
+CONTEXT: PL/pgSQL function dbms_stats.restore_schema_stats(text,timestamp with time zone) line 10 at RETURN QUERY
+NOTICE: arguments are "2, s0.st1, <NULL>"
+CONTEXT: PL/pgSQL function dbms_stats.restore_schema_stats(text,timestamp with time zone) line 10 at RETURN QUERY
+NOTICE: arguments are "2, s0.st1_idx, <NULL>"
+CONTEXT: PL/pgSQL function dbms_stats.restore_schema_stats(text,timestamp with time zone) line 10 at RETURN QUERY
+NOTICE: arguments are "2, s0.st2, <NULL>"
+CONTEXT: PL/pgSQL function dbms_stats.restore_schema_stats(text,timestamp with time zone) line 10 at RETURN QUERY
+NOTICE: arguments are "2, s0.st2_idx, <NULL>"
+CONTEXT: PL/pgSQL function dbms_stats.restore_schema_stats(text,timestamp with time zone) line 10 at RETURN QUERY
+NOTICE: arguments are "2, s0.sft0, <NULL>"
+CONTEXT: PL/pgSQL function dbms_stats.restore_schema_stats(text,timestamp with time zone) line 10 at RETURN QUERY
+NOTICE: arguments are "2, s0.smv0, <NULL>"
+CONTEXT: PL/pgSQL function dbms_stats.restore_schema_stats(text,timestamp with time zone) line 10 at RETURN QUERY
+ restore_schema_stats
+----------------------
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+(6 rows)
+
+--#No.10-2-8 is skipped after lock tests
+-- No.10-2-9
+SELECT dbms_stats.restore_schema_stats('s00', '2012-02-29 23:59:57');
+ERROR: schema "s00" not found
+-- No.10-2-10
+SELECT dbms_stats.restore_schema_stats('pg_catalog', '2012-02-29 23:59:57');
+ERROR: restoring statistics is inhibited for system schemas: "pg_catalog"
+/*
+ * No.10-7 dbms_stats.restore_stats
+ */
+-- No.10-7-1
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.restore_stats(NULL);
+ restore_stats
+---------------
+(0 rows)
+
+-- No.10-7-2
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.restore_stats(0);
+ERROR: backup id 0 not found
+-- No.10-7-3
+DELETE FROM dbms_stats._relation_stats_locked;
+VACUUM dbms_stats._relation_stats_locked; -- in order to avoid auto vacuum
+BEGIN;
+SELECT * FROM internal_locks;
+ relation | mode
+----------+------
+(0 rows)
+
+SELECT dbms_stats.restore_stats(2);
+ restore_stats
+---------------
+ pt0
+ pt0_idx
+ s0.sft0
+ s0.smv0
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st0
+ st0_idx
+ st1
+ st1_exp
+ st1_idx
+(15 rows)
+
+SELECT * FROM internal_locks;
+ relation | mode
+-----------------------------------+------------------
+ dbms_stats.backup_history | AccessShareLock
+ dbms_stats.column_stats_backup | AccessShareLock
+ dbms_stats._column_stats_locked | RowExclusiveLock
+ dbms_stats.relation_stats_backup | AccessShareLock
+ dbms_stats.relation_stats_backup | RowShareLock
+ dbms_stats._relation_stats_locked | ExclusiveLock
+ dbms_stats._relation_stats_locked | RowExclusiveLock
+ dbms_stats._relation_stats_locked | RowShareLock
+(8 rows)
+
+COMMIT;
+SELECT relid::regclass FROM dbms_stats.relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+(15 rows)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | id | f
+ s0.st0 | id | t
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+(17 rows)
+
+-- No.10-7-4
+DELETE FROM dbms_stats._relation_stats_locked;
+INSERT INTO dbms_stats._relation_stats_locked(relid, relname)
+ SELECT relid::regclass, relname
+ FROM dbms_stats.relation_stats_effective;
+INSERT INTO dbms_stats._column_stats_locked(starelid, staattnum, stainherit)
+ SELECT starelid::regclass, staattnum, stainherit
+ FROM dbms_stats.column_stats_effective;
+SELECT id, unit, comment FROM dbms_stats.backup_history
+ WHERE id = 8;
+ id | unit | comment
+----+------+---------
+ 8 | s | (null)
+(1 row)
+
+SELECT * FROM columns_locked_v;
+ starelid | staattnum | attname | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+----------+-----------+---------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------+------------+------------+------------+------------
+ st0 | 1 | id | f | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ st0 | 2 | name | f | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ st1 | 1 | val | f | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ st1 | 2 | str | f | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0.st0 | 1 | id | f | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0.st0 | 1 | id | t | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0.st0 | 2 | num | f | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0.st0 | 2 | num | t | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0.st1 | 1 | id | f | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0.st1 | 2 | num | f | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0.st2 | 1 | id | f | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0.st2 | 2 | txt | f | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ st1_exp | 1 | lower | f | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0.sft0 | 1 | id | f | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0.smv0 | 1 | id | f | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0.smv0 | 2 | num | f | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0.smv0 | 3 | txt | f | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s1.st0 | 1 | id | f | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s1.st0 | 2 | num | f | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+(19 rows)
+
+SELECT * FROM relations_locked_v;
+ relid | relname | relpages | reltuples | relallvisible | curpages
+------------+----------------+----------+-----------+---------------+----------
+ pt0 | public.pt0 | (null) | (null) | (null) | (null)
+ pt0_idx | public.pt0_idx | (null) | (null) | (null) | (null)
+ st0 | public.st0 | (null) | (null) | (null) | (null)
+ st0_idx | public.st0_idx | (null) | (null) | (null) | (null)
+ st1 | public.st1 | (null) | (null) | (null) | (null)
+ s0.st0 | s0.st0 | (null) | (null) | (null) | (null)
+ s0.st0_idx | s0.st0_idx | (null) | (null) | (null) | (null)
+ s0.st1 | s0.st1 | (null) | (null) | (null) | (null)
+ s0.st1_idx | s0.st1_idx | (null) | (null) | (null) | (null)
+ s0.st2 | s0.st2 | (null) | (null) | (null) | (null)
+ s0.st2_idx | s0.st2_idx | (null) | (null) | (null) | (null)
+ st1_idx | public.st1_idx | (null) | (null) | (null) | (null)
+ st1_exp | public.st1_exp | (null) | (null) | (null) | (null)
+ s0.sft0 | s0.sft0 | (null) | (null) | (null) | (null)
+ s0.smv0 | s0.smv0 | (null) | (null) | (null) | (null)
+ s1.st0 | s1.st0 | (null) | (null) | (null) | (null)
+(16 rows)
+
+SELECT dbms_stats.restore_stats(8);
+ restore_stats
+---------------
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+(6 rows)
+
+SELECT * FROM relations_locked_v;
+ relid | relname | relpages | reltuples | relallvisible | curpages
+------------+----------------+----------+-----------+---------------+----------
+ pt0 | public.pt0 | (null) | (null) | (null) | (null)
+ pt0_idx | public.pt0_idx | (null) | (null) | (null) | (null)
+ st0 | public.st0 | (null) | (null) | (null) | (null)
+ st0_idx | public.st0_idx | (null) | (null) | (null) | (null)
+ st1 | public.st1 | (null) | (null) | (null) | (null)
+ s0.st0 | s0.st0 | 1 | 2 | 1 | 1
+ s0.st0_idx | s0.st0_idx | 2 | 2 | 0 | 2
+ s0.st1 | s0.st1 | 1 | 3 | 1 | 1
+ s0.st1_idx | s0.st1_idx | 2 | 3 | 0 | 2
+ s0.st2 | s0.st2 | 1 | 3 | 1 | 1
+ s0.st2_idx | s0.st2_idx | 2 | 3 | 0 | 2
+ st1_idx | public.st1_idx | (null) | (null) | (null) | (null)
+ st1_exp | public.st1_exp | (null) | (null) | (null) | (null)
+ s0.sft0 | s0.sft0 | (null) | (null) | (null) | (null)
+ s0.smv0 | s0.smv0 | (null) | (null) | (null) | (null)
+ s1.st0 | s1.st0 | (null) | (null) | (null) | (null)
+(16 rows)
+
+SELECT * FROM columns_locked_v;
+ starelid | staattnum | attname | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+----------+-----------+---------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------------+------------+------------+------------+------------
+ st0 | 1 | id | f | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ st0 | 2 | name | f | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ st1 | 1 | val | f | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ st1 | 2 | str | f | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0.st0 | 1 | id | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2} | (null) | (null) | (null) | (null)
+ s0.st0 | 1 | id | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,4,5,6} | (null) | (null) | (null) | (null)
+ s0.st0 | 2 | num | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20} | (null) | (null) | (null) | (null)
+ s0.st0 | 2 | num | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20,40,50,60} | (null) | (null) | (null) | (null)
+ s0.st1 | 1 | id | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {4,5,6} | (null) | (null) | (null) | (null)
+ s0.st1 | 2 | num | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {40,50,60} | (null) | (null) | (null) | (null)
+ s0.st2 | 1 | id | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,3} | (null) | (null) | (null) | (null)
+ s0.st2 | 2 | txt | f | 0 | 5 | -1 | 2 | 3 | 0 | 0 | 0 | 664 | 664 | 0 | 0 | 0 | (null) | {0.5} | (null) | (null) | (null) | {1,comment,test} | (null) | (null) | (null) | (null)
+ st1_exp | 1 | lower | f | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0.sft0 | 1 | id | f | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0.smv0 | 1 | id | f | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0.smv0 | 2 | num | f | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0.smv0 | 3 | txt | f | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s1.st0 | 1 | id | f | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s1.st0 | 2 | num | f | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+(19 rows)
+
+-- No.10-7-5
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT id, unit, comment FROM dbms_stats.backup_history
+ WHERE id = 8;
+ id | unit | comment
+----+------+---------
+ 8 | s | (null)
+(1 row)
+
+SELECT dbms_stats.restore_stats(8);
+ restore_stats
+---------------
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+(6 rows)
+
+SELECT * FROM relations_locked_v;
+ relid | relname | relpages | reltuples | relallvisible | curpages
+------------+------------+----------+-----------+---------------+----------
+ s0.st0 | s0.st0 | 1 | 2 | 1 | 1
+ s0.st0_idx | s0.st0_idx | 2 | 2 | 0 | 2
+ s0.st1 | s0.st1 | 1 | 3 | 1 | 1
+ s0.st1_idx | s0.st1_idx | 2 | 3 | 0 | 2
+ s0.st2 | s0.st2 | 1 | 3 | 1 | 1
+ s0.st2_idx | s0.st2_idx | 2 | 3 | 0 | 2
+(6 rows)
+
+SELECT * FROM columns_locked_v;
+ starelid | staattnum | attname | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+----------+-----------+---------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------------+------------+------------+------------+------------
+ s0.st0 | 1 | id | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2} | (null) | (null) | (null) | (null)
+ s0.st0 | 1 | id | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,4,5,6} | (null) | (null) | (null) | (null)
+ s0.st0 | 2 | num | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20} | (null) | (null) | (null) | (null)
+ s0.st0 | 2 | num | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20,40,50,60} | (null) | (null) | (null) | (null)
+ s0.st1 | 1 | id | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {4,5,6} | (null) | (null) | (null) | (null)
+ s0.st1 | 2 | num | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {40,50,60} | (null) | (null) | (null) | (null)
+ s0.st2 | 1 | id | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,3} | (null) | (null) | (null) | (null)
+ s0.st2 | 2 | txt | f | 0 | 5 | -1 | 2 | 3 | 0 | 0 | 0 | 664 | 664 | 0 | 0 | 0 | (null) | {0.5} | (null) | (null) | (null) | {1,comment,test} | (null) | (null) | (null) | (null)
+(8 rows)
+
+/*
+ * No.11-1 dbms_stats.lock(relid, attname)
+ */
+-- No.11-1-1
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock(NULL, NULL);
+ERROR: relation required
+-- No.11-1-2
+ALTER FUNCTION dbms_stats.lock(relid regclass)
+ RENAME TO truth_lock;
+CREATE FUNCTION dbms_stats.lock(relid regclass)
+RETURNS regclass AS
+$$
+BEGIN
+ RAISE NOTICE 'arguments are %', $1;
+ RETURN $1;
+END
+$$
+LANGUAGE plpgsql;
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('s0.st0', NULL);
+NOTICE: arguments are s0.st0
+CONTEXT: PL/pgSQL function dbms_stats.lock(regclass,text) line 11 at RETURN
+ lock
+--------
+ s0.st0
+(1 row)
+
+DROP FUNCTION dbms_stats.lock(relid regclass);
+ALTER FUNCTION dbms_stats.truth_lock(relid regclass)
+ RENAME TO lock;
+-- No.11-1-3
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock(NULL, 'id');
+ERROR: relation required
+-- No.11-1-4
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('s0.st0', 'id');
+ lock
+--------
+ s0.st0
+(1 row)
+
+SELECT * FROM relations_locked_v;
+ relid | relname | relpages | reltuples | relallvisible | curpages
+--------+---------+----------+-----------+---------------+----------
+ s0.st0 | s0.st0 | (null) | (null) | (null) | (null)
+(1 row)
+
+SELECT * FROM columns_locked_v c;
+ starelid | staattnum | attname | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+----------+-----------+---------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+-------------+------------+------------+------------+------------
+ s0.st0 | 1 | id | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2} | (null) | (null) | (null) | (null)
+ s0.st0 | 1 | id | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,4,5,6} | (null) | (null) | (null) | (null)
+(2 rows)
+
+-- No.11-1-5
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock(0, 'id');
+ERROR: relation "-" not found
+-- No.11-1-6
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('s0.st0', 'id');
+ lock
+--------
+ s0.st0
+(1 row)
+
+SELECT * FROM relations_locked_v;
+ relid | relname | relpages | reltuples | relallvisible | curpages
+--------+---------+----------+-----------+---------------+----------
+ s0.st0 | s0.st0 | (null) | (null) | (null) | (null)
+(1 row)
+
+SELECT * FROM columns_locked_v c;
+ starelid | staattnum | attname | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+----------+-----------+---------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+-------------+------------+------------+------------+------------
+ s0.st0 | 1 | id | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2} | (null) | (null) | (null) | (null)
+ s0.st0 | 1 | id | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,4,5,6} | (null) | (null) | (null) | (null)
+(2 rows)
+
+-- No.11-1-7
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('pg_toast.pg_toast_2618', 'id');
+ERROR: "pg_toast.pg_toast_2618" must be a table or an index
+-- No.11-1-8
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('s0.st0_idx', 'id');
+ERROR: "s0.st0_idx" must be an expression index
+-- No.11-1-9
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('st1_exp', 'lower');
+ lock
+---------
+ st1_exp
+(1 row)
+
+SELECT * FROM relations_locked_v;
+ relid | relname | relpages | reltuples | relallvisible | curpages
+---------+----------------+----------+-----------+---------------+----------
+ st1_exp | public.st1_exp | (null) | (null) | (null) | (null)
+(1 row)
+
+SELECT * FROM columns_locked_v c;
+ starelid | staattnum | attname | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+----------+-----------+---------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+------------------------+-------------+-------------+-------------+-------------+------------+------------+------------+------------+------------
+ st1_exp | 1 | lower | f | 0 | 5 | 3 | 1 | 3 | 0 | 0 | 0 | 98 | 664 | 0 | 0 | 0 | {0.3334,0.3333,0.3333} | {0.3332} | (null) | (null) | (null) | {1,0,2} | (null) | (null) | (null) | (null)
+(1 row)
+
+DELETE FROM dbms_stats._relation_stats_locked;
+-- No.11-1-10
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('s0.ss0', 'id');
+ERROR: "s0.ss0" must be a table or an index
+-- No.11-1-11
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('s0.sc0', 'id');
+ERROR: "s0.sc0" must be a table or an index
+-- No.11-1-12
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('s0.sft0', 'id');
+ lock
+---------
+ s0.sft0
+(1 row)
+
+SELECT * FROM relations_locked_v;
+ relid | relname | relpages | reltuples | relallvisible | curpages
+---------+---------+----------+-----------+---------------+----------
+ s0.sft0 | s0.sft0 | (null) | (null) | (null) | (null)
+(1 row)
+
+SELECT * FROM columns_locked_v c;
+ starelid | staattnum | attname | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+----------+-----------+---------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------------------+------------+------------+------------+------------
+ s0.sft0 | 1 | id | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,3,4,5,6,7,8,9,10} | (null) | (null) | (null) | (null)
+(1 row)
+
+-- No.11-1-13
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('s0.smv0', 'id');
+ lock
+---------
+ s0.smv0
+(1 row)
+
+SELECT * FROM relations_locked_v;
+ relid | relname | relpages | reltuples | relallvisible | curpages
+---------+---------+----------+-----------+---------------+----------
+ s0.smv0 | s0.smv0 | (null) | (null) | (null) | (null)
+(1 row)
+
+SELECT * FROM columns_locked_v c;
+ starelid | staattnum | attname | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+----------+-----------+---------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------+------------+------------+------------+------------
+ s0.smv0 | 1 | id | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2} | (null) | (null) | (null) | (null)
+(1 row)
+
+-- No.11-1-14
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('pg_catalog.pg_class', 'id');
+ERROR: locking statistics is inhibited for system catalogs: "pg_class"
+-- No.11-1-15
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('s0.st0', 'dummy');
+ERROR: column "dummy" not found in relation "s0.st0"
+-- No.11-1-16
+DELETE FROM dbms_stats._relation_stats_locked;
+DELETE FROM pg_statistic
+ WHERE starelid = 's0.st0'::regclass;
+SELECT dbms_stats.lock('s0.st0', 'id');
+ERROR: no statistics available for column "id" of relation "s0.st0"
+VACUUM ANALYZE;
+-- No.11-1-17
+DELETE FROM dbms_stats._relation_stats_locked;
+INSERT INTO dbms_stats._relation_stats_locked(
+ relid, relname, relpages, reltuples,
+ relallvisible,
+ curpages)
+ VALUES('s0.st0'::regclass, 's0.st0', 1, 1640,
+ 1,
+ 1);
+SELECT dbms_stats.lock_column_stats('s0.st0','id');
+ lock_column_stats
+-------------------
+ s0.st0
+(1 row)
+
+UPDATE dbms_stats._column_stats_locked
+ SET (stanullfrac, stawidth, stadistinct,
+ stakind1, stakind2, stakind3, stakind4,
+ stakind5,
+ staop1, staop2, staop3, staop4,
+ staop5,
+ stanumbers1, stanumbers2, stanumbers3, stanumbers4,
+ stanumbers5,
+ stavalues1, stavalues2, stavalues3, stavalues4
+ ,stavalues5
+ ) = (
+ NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL)
+ WHERE starelid = 's0.st0'::regclass;
+SELECT dbms_stats.lock('s0.st0', 'id');
+ lock
+--------
+ s0.st0
+(1 row)
+
+SELECT * FROM relations_locked_v;
+ relid | relname | relpages | reltuples | relallvisible | curpages
+--------+---------+----------+-----------+---------------+----------
+ s0.st0 | s0.st0 | 1 | 1640 | 1 | 1
+(1 row)
+
+SELECT * FROM columns_locked_v c;
+ starelid | staattnum | attname | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+----------+-----------+---------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+-------------+------------+------------+------------+------------
+ s0.st0 | 1 | id | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2} | (null) | (null) | (null) | (null)
+ s0.st0 | 1 | id | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,4,5,6} | (null) | (null) | (null) | (null)
+(2 rows)
+
+-- No.11-1-18
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('s0.st0', 'id');
+ lock
+--------
+ s0.st0
+(1 row)
+
+SELECT * FROM relations_locked_v
+ WHERE relid = 's0.st0'::regclass;
+ relid | relname | relpages | reltuples | relallvisible | curpages
+--------+---------+----------+-----------+---------------+----------
+ s0.st0 | s0.st0 | (null) | (null) | (null) | (null)
+(1 row)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ s0.st0 | id | f
+ s0.st0 | id | t
+(2 rows)
+
+/*
+ * No.11-2 dbms_stats.lock(relid)
+ */
+-- No.11-2-1
+DELETE FROM dbms_stats._relation_stats_locked;
+VACUUM dbms_stats._relation_stats_locked; -- in order to avoid auto vacuum
+BEGIN;
+SELECT * FROM internal_locks;
+ relation | mode
+----------+------
+(0 rows)
+
+SELECT dbms_stats.lock('s0.st0');
+ lock
+--------
+ s0.st0
+(1 row)
+
+SELECT * FROM relations_locked_v;
+ relid | relname | relpages | reltuples | relallvisible | curpages
+--------+---------+----------+-----------+---------------+----------
+ s0.st0 | s0.st0 | 1 | 2 | 1 | 1
+(1 row)
+
+SELECT * FROM columns_locked_v c;
+ starelid | staattnum | attname | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+----------+-----------+---------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------------+------------+------------+------------+------------
+ s0.st0 | 1 | id | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2} | (null) | (null) | (null) | (null)
+ s0.st0 | 1 | id | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,4,5,6} | (null) | (null) | (null) | (null)
+ s0.st0 | 2 | num | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20} | (null) | (null) | (null) | (null)
+ s0.st0 | 2 | num | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20,40,50,60} | (null) | (null) | (null) | (null)
+(4 rows)
+
+SELECT * FROM internal_locks;
+ relation | mode
+-----------------------------------+------------------
+ dbms_stats._column_stats_locked | AccessShareLock
+ dbms_stats._column_stats_locked | RowExclusiveLock
+ dbms_stats._relation_stats_locked | AccessShareLock
+ dbms_stats._relation_stats_locked | RowExclusiveLock
+ dbms_stats._relation_stats_locked | RowShareLock
+(5 rows)
+
+COMMIT;
+-- No.11-2-2
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock(NULL);
+ERROR: relation required
+-- No.11-2-3
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('0');
+ERROR: relation "-" not found
+-- No.11-2-4
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('s0.st0');
+ lock
+--------
+ s0.st0
+(1 row)
+
+SELECT * FROM relations_locked_v;
+ relid | relname | relpages | reltuples | relallvisible | curpages
+--------+---------+----------+-----------+---------------+----------
+ s0.st0 | s0.st0 | 1 | 2 | 1 | 1
+(1 row)
+
+SELECT * FROM columns_locked_v c;
+ starelid | staattnum | attname | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+----------+-----------+---------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------------+------------+------------+------------+------------
+ s0.st0 | 1 | id | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2} | (null) | (null) | (null) | (null)
+ s0.st0 | 1 | id | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,4,5,6} | (null) | (null) | (null) | (null)
+ s0.st0 | 2 | num | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20} | (null) | (null) | (null) | (null)
+ s0.st0 | 2 | num | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20,40,50,60} | (null) | (null) | (null) | (null)
+(4 rows)
+
+-- No.11-2-5
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('pg_toast.pg_toast_2618');
+ERROR: locking statistics is not allowed for relations with relkind "t": "pg_toast.pg_toast_2618"
+HINT: Only tables(r, m, f) and indexes(i) are lockable.
+-- No.11-2-6
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('s0.st0_idx');
+ lock
+------------
+ s0.st0_idx
+(1 row)
+
+SELECT * FROM relations_locked_v;
+ relid | relname | relpages | reltuples | relallvisible | curpages
+------------+------------+----------+-----------+---------------+----------
+ s0.st0_idx | s0.st0_idx | 2 | 2 | 0 | 2
+(1 row)
+
+SELECT * FROM columns_locked_v c;
+ starelid | staattnum | attname | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+----------+-----------+---------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------+------------+------------+------------+------------
+(0 rows)
+
+-- No.11-2-7
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('s0.ss0');
+ERROR: locking statistics is not allowed for relations with relkind "S": "s0.ss0"
+HINT: Only tables(r, m, f) and indexes(i) are lockable.
+-- No.11-2-8
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('s0.sc0');
+ERROR: locking statistics is not allowed for relations with relkind "c": "s0.sc0"
+HINT: Only tables(r, m, f) and indexes(i) are lockable.
+-- No.11-2-9
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('s0.sft0');
+ lock
+---------
+ s0.sft0
+(1 row)
+
+SELECT * FROM relations_locked_v;
+ relid | relname | relpages | reltuples | relallvisible | curpages
+---------+---------+----------+-----------+---------------+----------
+ s0.sft0 | s0.sft0 | 1 | 10 | 0 | 0
+(1 row)
+
+SELECT * FROM columns_locked_v c;
+ starelid | staattnum | attname | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+----------+-----------+---------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------------------+------------+------------+------------+------------
+ s0.sft0 | 1 | id | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,3,4,5,6,7,8,9,10} | (null) | (null) | (null) | (null)
+(1 row)
+
+-- No.11-2-10
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('s0.smv0');
+ lock
+---------
+ s0.smv0
+(1 row)
+
+SELECT * FROM relations_locked_v;
+ relid | relname | relpages | reltuples | relallvisible | curpages
+---------+---------+----------+-----------+---------------+----------
+ s0.smv0 | s0.smv0 | 1 | 2 | 1 | 1
+(1 row)
+
+SELECT * FROM columns_locked_v c;
+ starelid | staattnum | attname | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+----------+-----------+---------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------+------------+------------+------------+------------
+ s0.smv0 | 1 | id | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2} | (null) | (null) | (null) | (null)
+ s0.smv0 | 2 | num | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20} | (null) | (null) | (null) | (null)
+ s0.smv0 | 3 | txt | f | 0 | 3 | -1 | 2 | 3 | 0 | 0 | 0 | 664 | 664 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,test} | (null) | (null) | (null) | (null)
+(3 rows)
+
+-- No.11-2-11
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('pg_catalog.pg_class');
+ERROR: locking statistics is not allowed for system catalogs: "pg_class"
+-- No.11-2-12
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_table_stats('s0.st0');
+ lock_table_stats
+------------------
+ s0.st0
+(1 row)
+
+UPDATE dbms_stats._relation_stats_locked
+ SET (relpages, reltuples,
+ relallvisible,
+ curpages)
+ = (NULL, NULL, NULL
+ ,NULL
+ )
+ WHERE relid = 's0.st0'::regclass;
+SELECT dbms_stats.lock('s0.st0');
+ lock
+--------
+ s0.st0
+(1 row)
+
+SELECT * FROM relations_locked_v;
+ relid | relname | relpages | reltuples | relallvisible | curpages
+--------+---------+----------+-----------+---------------+----------
+ s0.st0 | s0.st0 | 1 | 2 | 1 | 1
+(1 row)
+
+SELECT * FROM columns_locked_v c;
+ starelid | staattnum | attname | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+----------+-----------+---------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------------+------------+------------+------------+------------
+ s0.st0 | 1 | id | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2} | (null) | (null) | (null) | (null)
+ s0.st0 | 1 | id | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,4,5,6} | (null) | (null) | (null) | (null)
+ s0.st0 | 2 | num | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20} | (null) | (null) | (null) | (null)
+ s0.st0 | 2 | num | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20,40,50,60} | (null) | (null) | (null) | (null)
+(4 rows)
+
+-- No.11-2-13
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('s0.st0');
+ lock
+--------
+ s0.st0
+(1 row)
+
+SELECT * FROM relations_locked_v;
+ relid | relname | relpages | reltuples | relallvisible | curpages
+--------+---------+----------+-----------+---------------+----------
+ s0.st0 | s0.st0 | 1 | 2 | 1 | 1
+(1 row)
+
+SELECT * FROM columns_locked_v c;
+ starelid | staattnum | attname | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+----------+-----------+---------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------------+------------+------------+------------+------------
+ s0.st0 | 1 | id | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2} | (null) | (null) | (null) | (null)
+ s0.st0 | 1 | id | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,4,5,6} | (null) | (null) | (null) | (null)
+ s0.st0 | 2 | num | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20} | (null) | (null) | (null) | (null)
+ s0.st0 | 2 | num | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20,40,50,60} | (null) | (null) | (null) | (null)
+(4 rows)
+
+/*
+ * Stab function dbms_stats.lock
+ */
+ALTER FUNCTION dbms_stats.lock(relid regclass)
+ RENAME TO truth_lock;
+CREATE FUNCTION dbms_stats.lock(relid regclass)
+RETURNS regclass AS
+$$
+BEGIN
+ RAISE NOTICE 'arguments are %', $1;
+ RETURN $1;
+END
+$$
+LANGUAGE plpgsql;
+ALTER FUNCTION dbms_stats.lock(relid regclass, attname text)
+ RENAME TO truth_lock;
+CREATE FUNCTION dbms_stats.lock(
+ relid regclass,
+ attname text)
+RETURNS regclass AS
+$$
+BEGIN
+ RAISE NOTICE 'arguments are %, %', $1, $2;
+ RETURN $1;
+END
+$$
+LANGUAGE plpgsql;
+/*
+ * No.12-1 dbms_stats.lock_database_stats
+ */
+-- No.12-1-1
+SELECT dbms_stats.lock_database_stats();
+NOTICE: arguments are pt0
+CONTEXT: SQL function "lock_database_stats" statement 1
+NOTICE: arguments are pt0_idx
+CONTEXT: SQL function "lock_database_stats" statement 1
+NOTICE: arguments are st0
+CONTEXT: SQL function "lock_database_stats" statement 1
+NOTICE: arguments are st0_idx
+CONTEXT: SQL function "lock_database_stats" statement 1
+NOTICE: arguments are st1
+CONTEXT: SQL function "lock_database_stats" statement 1
+NOTICE: arguments are s0.st0
+CONTEXT: SQL function "lock_database_stats" statement 1
+NOTICE: arguments are s0.st0_idx
+CONTEXT: SQL function "lock_database_stats" statement 1
+NOTICE: arguments are s0.st1
+CONTEXT: SQL function "lock_database_stats" statement 1
+NOTICE: arguments are s0.st1_idx
+CONTEXT: SQL function "lock_database_stats" statement 1
+NOTICE: arguments are s0.st2
+CONTEXT: SQL function "lock_database_stats" statement 1
+NOTICE: arguments are s0.st2_idx
+CONTEXT: SQL function "lock_database_stats" statement 1
+NOTICE: arguments are st1_idx
+CONTEXT: SQL function "lock_database_stats" statement 1
+NOTICE: arguments are st1_exp
+CONTEXT: SQL function "lock_database_stats" statement 1
+NOTICE: arguments are s0.sft0
+CONTEXT: SQL function "lock_database_stats" statement 1
+NOTICE: arguments are s0.smv0
+CONTEXT: SQL function "lock_database_stats" statement 1
+NOTICE: arguments are s1.st0
+CONTEXT: SQL function "lock_database_stats" statement 1
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+/*
+ * No.12-2 dbms_stats.lock_schema_stats
+ */
+-- No.12-2-1
+SELECT dbms_stats.lock_schema_stats('s0');
+NOTICE: arguments are s0.st0
+CONTEXT: PL/pgSQL function dbms_stats.lock_schema_stats(text) line 10 at RETURN QUERY
+NOTICE: arguments are s0.st0_idx
+CONTEXT: PL/pgSQL function dbms_stats.lock_schema_stats(text) line 10 at RETURN QUERY
+NOTICE: arguments are s0.st1
+CONTEXT: PL/pgSQL function dbms_stats.lock_schema_stats(text) line 10 at RETURN QUERY
+NOTICE: arguments are s0.st1_idx
+CONTEXT: PL/pgSQL function dbms_stats.lock_schema_stats(text) line 10 at RETURN QUERY
+NOTICE: arguments are s0.st2
+CONTEXT: PL/pgSQL function dbms_stats.lock_schema_stats(text) line 10 at RETURN QUERY
+NOTICE: arguments are s0.st2_idx
+CONTEXT: PL/pgSQL function dbms_stats.lock_schema_stats(text) line 10 at RETURN QUERY
+NOTICE: arguments are s0.sft0
+CONTEXT: PL/pgSQL function dbms_stats.lock_schema_stats(text) line 10 at RETURN QUERY
+NOTICE: arguments are s0.smv0
+CONTEXT: PL/pgSQL function dbms_stats.lock_schema_stats(text) line 10 at RETURN QUERY
+ lock_schema_stats
+-------------------
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ s0.sft0
+ s0.smv0
+(8 rows)
+
+-- No.12-2-2
+SELECT dbms_stats.lock_schema_stats('s00');
+ERROR: schema "s00" not found
+-- No.12-2-3
+SELECT dbms_stats.lock_schema_stats('pg_catalog');
+ERROR: locking statistics is not allowed for system schemas: "pg_catalog"
+/*
+ * No.12-3 dbms_stats.lock_table_stats(regclass)
+ */
+-- No.12-3-1
+SELECT dbms_stats.lock_table_stats('s0.st0');
+NOTICE: arguments are s0.st0
+CONTEXT: SQL function "lock_table_stats" statement 1
+ lock_table_stats
+------------------
+ s0.st0
+(1 row)
+
+-- No.12-3-2
+SELECT dbms_stats.lock_table_stats('st0');
+NOTICE: arguments are st0
+CONTEXT: SQL function "lock_table_stats" statement 1
+ lock_table_stats
+------------------
+ st0
+(1 row)
+
+-- No.12-3-3
+SELECT dbms_stats.lock_table_stats('s00.s0');
+ERROR: schema "s00" does not exist
+LINE 1: SELECT dbms_stats.lock_table_stats('s00.s0');
+ ^
+/*
+ * No.12-4 dbms_stats.lock_table_stats(schemaname, tablename)
+ */
+-- No.12-4-1
+SELECT dbms_stats.lock_table_stats('s0', 'st0');
+NOTICE: arguments are s0.st0
+CONTEXT: SQL function "lock_table_stats" statement 1
+ lock_table_stats
+------------------
+ s0.st0
+(1 row)
+
+/*
+ * No.12-5 dbms_stats.lock_column_stats(regclass, attname)
+ */
+-- No.12-5-1
+SELECT dbms_stats.lock_column_stats('s0.st0', 'id');
+NOTICE: arguments are s0.st0, id
+CONTEXT: SQL function "lock_column_stats" statement 1
+ lock_column_stats
+-------------------
+ s0.st0
+(1 row)
+
+-- No.12-5-2
+SELECT dbms_stats.lock_column_stats('st0', 'id');
+NOTICE: arguments are st0, id
+CONTEXT: SQL function "lock_column_stats" statement 1
+ lock_column_stats
+-------------------
+ st0
+(1 row)
+
+-- No.12-5-3
+SELECT dbms_stats.lock_column_stats('s00.s0', 'id');
+ERROR: schema "s00" does not exist
+LINE 1: SELECT dbms_stats.lock_column_stats('s00.s0', 'id');
+ ^
+/*
+ * No.12-6 dbms_stats.lock_column_stats(schemaname, tablename, int2)
+ */
+-- No.12-6-1
+SELECT dbms_stats.lock_column_stats('s0', 'st0', 'id');
+NOTICE: arguments are s0.st0, id
+CONTEXT: SQL function "lock_column_stats" statement 1
+ lock_column_stats
+-------------------
+ s0.st0
+(1 row)
+
+/*
+ * Delete Stab function lock
+ */
+DROP FUNCTION dbms_stats.lock(relid regclass);
+ALTER FUNCTION dbms_stats.truth_lock(relid regclass)
+ RENAME TO lock;
+DROP FUNCTION dbms_stats.lock(relid regclass, attname text);
+ALTER FUNCTION dbms_stats.truth_lock(relid regclass, attname text)
+ RENAME TO lock;
+/*
+ * No.13-1 dbms_stats.unlock
+ */
+-- No.13-1-1
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT * FROM dbms_stats.backup_history
+ ORDER BY id;
+ id | time | unit | comment
+----+-------------------------------------+------+---------
+ 1 | Wed Feb 29 23:59:56.999999 2012 PST | d | (null)
+ 2 | Wed Feb 29 23:59:57 2012 PST | d | (null)
+ 3 | Wed Feb 29 23:59:57.000001 2012 PST | t | (null)
+ 4 | Wed Feb 29 23:59:58 2012 PST | d | (null)
+ 5 | Thu Mar 01 00:00:00 2012 PST | c | (null)
+ 6 | Thu Mar 01 00:00:02 2012 PST | t | (null)
+ 7 | Thu Mar 01 00:00:04 2012 PST | t | (null)
+ 8 | Thu Mar 01 00:00:06 2012 PST | s | (null)
+(8 rows)
+
+SELECT count(*) FROM dbms_stats.relation_stats_backup;
+ count
+-------
+ 26
+(1 row)
+
+SELECT count(*) FROM dbms_stats.column_stats_backup;
+ count
+-------
+ 39
+(1 row)
+
+SELECT dbms_stats.unlock();
+ unlock
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT count(*) FROM dbms_stats._relation_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+SELECT count(*) FROM dbms_stats._column_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+SELECT * FROM dbms_stats.backup_history
+ ORDER BY id;
+ id | time | unit | comment
+----+-------------------------------------+------+---------
+ 1 | Wed Feb 29 23:59:56.999999 2012 PST | d | (null)
+ 2 | Wed Feb 29 23:59:57 2012 PST | d | (null)
+ 3 | Wed Feb 29 23:59:57.000001 2012 PST | t | (null)
+ 4 | Wed Feb 29 23:59:58 2012 PST | d | (null)
+ 5 | Thu Mar 01 00:00:00 2012 PST | c | (null)
+ 6 | Thu Mar 01 00:00:02 2012 PST | t | (null)
+ 7 | Thu Mar 01 00:00:04 2012 PST | t | (null)
+ 8 | Thu Mar 01 00:00:06 2012 PST | s | (null)
+(8 rows)
+
+SELECT count(*) FROM dbms_stats.relation_stats_backup;
+ count
+-------
+ 26
+(1 row)
+
+SELECT count(*) FROM dbms_stats.column_stats_backup;
+ count
+-------
+ 39
+(1 row)
+
+-- No.13-1-2
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT dbms_stats.unlock();
+ unlock
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT count(*) FROM dbms_stats._relation_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+SELECT count(*) FROM dbms_stats._column_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+-- No.13-1-3
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+DELETE FROM dbms_stats._column_stats_locked;
+SELECT dbms_stats.unlock();
+ unlock
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT count(*) FROM dbms_stats._relation_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+SELECT count(*) FROM dbms_stats._column_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+-- No.13-1-4
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.unlock();
+ unlock
+--------
+(0 rows)
+
+SELECT count(*) FROM dbms_stats._relation_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+SELECT count(*) FROM dbms_stats._column_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+-- No.13-1-5
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ s0.st0 | 4
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(9 rows)
+
+SELECT dbms_stats.unlock('s0.st0');
+ unlock
+--------
+ s0.st0
+(1 row)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(15 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(8 rows)
+
+-- No.13-1-6
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ s0.st0 | 4
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(9 rows)
+
+SELECT dbms_stats.unlock('st0');
+ unlock
+--------
+ st0
+(1 row)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(15 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st1 | 2
+ s0.st0 | 4
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(8 rows)
+
+-- No.13-1-7
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT count(*) FROM dbms_stats._relation_stats_locked;
+ count
+-------
+ 16
+(1 row)
+
+SELECT count(*) FROM dbms_stats._column_stats_locked;
+ count
+-------
+ 19
+(1 row)
+
+SELECT dbms_stats.unlock('s00.s0');
+ERROR: schema "s00" does not exist
+LINE 1: SELECT dbms_stats.unlock('s00.s0');
+ ^
+SELECT count(*) FROM dbms_stats._relation_stats_locked;
+ count
+-------
+ 16
+(1 row)
+
+SELECT count(*) FROM dbms_stats._column_stats_locked;
+ count
+-------
+ 19
+(1 row)
+
+-- No.13-1-8
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | id | f
+ s0.st0 | id | t
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+ s1.st0 | id | f
+ s1.st0 | num | f
+(19 rows)
+
+SELECT dbms_stats.unlock('s0.st0', 'id');
+ unlock
+--------
+ s0.st0
+(1 row)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+ s1.st0 | id | f
+ s1.st0 | num | f
+(17 rows)
+
+-- No.13-1-9
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | id | f
+ s0.st0 | id | t
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+ s1.st0 | id | f
+ s1.st0 | num | f
+(19 rows)
+
+SELECT dbms_stats.unlock('s0.st0', 'dummy');
+ERROR: column "dummy" not found in relation "s0.st0"
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | id | f
+ s0.st0 | id | t
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+ s1.st0 | id | f
+ s1.st0 | num | f
+(19 rows)
+
+-- No.13-1-10
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+DELETE FROM dbms_stats._column_stats_locked;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT dbms_stats.unlock('s0.st0', 'id');
+ unlock
+--------
+ s0.st0
+(1 row)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid::regclass, staattnum FROM dbms_stats._column_stats_locked
+ GROUP BY starelid, staattnum
+ ORDER BY starelid, staattnum;
+ starelid | staattnum
+----------+-----------
+(0 rows)
+
+-- No.13-1-11
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid::regclass, staattnum FROM dbms_stats._column_stats_locked
+ GROUP BY starelid, staattnum
+ ORDER BY starelid, staattnum;
+ starelid | staattnum
+----------+-----------
+ st0 | 1
+ st0 | 2
+ st1 | 1
+ st1 | 2
+ s0.st0 | 1
+ s0.st0 | 2
+ s0.st1 | 1
+ s0.st1 | 2
+ s0.st2 | 1
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 1
+ s0.smv0 | 2
+ s0.smv0 | 3
+ s1.st0 | 1
+ s1.st0 | 2
+(17 rows)
+
+SELECT dbms_stats.unlock(NULL, 'id');
+ERROR: relation required
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid::regclass, staattnum FROM dbms_stats._column_stats_locked
+ GROUP BY starelid, staattnum
+ ORDER BY starelid, staattnum;
+ starelid | staattnum
+----------+-----------
+ st0 | 1
+ st0 | 2
+ st1 | 1
+ st1 | 2
+ s0.st0 | 1
+ s0.st0 | 2
+ s0.st1 | 1
+ s0.st1 | 2
+ s0.st2 | 1
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 1
+ s0.smv0 | 2
+ s0.smv0 | 3
+ s1.st0 | 1
+ s1.st0 | 2
+(17 rows)
+
+-- No.13-1-12
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid::regclass, staattnum FROM dbms_stats._column_stats_locked
+ GROUP BY starelid, staattnum
+ ORDER BY starelid, staattnum;
+ starelid | staattnum
+----------+-----------
+ st0 | 1
+ st0 | 2
+ st1 | 1
+ st1 | 2
+ s0.st0 | 1
+ s0.st0 | 2
+ s0.st1 | 1
+ s0.st1 | 2
+ s0.st2 | 1
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 1
+ s0.smv0 | 2
+ s0.smv0 | 3
+ s1.st0 | 1
+ s1.st0 | 2
+(17 rows)
+
+SELECT dbms_stats.unlock('s0.st0', NULL);
+ unlock
+--------
+ s0.st0
+(1 row)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(15 rows)
+
+SELECT starelid::regclass, staattnum FROM dbms_stats._column_stats_locked
+ GROUP BY starelid, staattnum
+ ORDER BY starelid, staattnum;
+ starelid | staattnum
+----------+-----------
+ st0 | 1
+ st0 | 2
+ st1 | 1
+ st1 | 2
+ s0.st1 | 1
+ s0.st1 | 2
+ s0.st2 | 1
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 1
+ s0.smv0 | 2
+ s0.smv0 | 3
+ s1.st0 | 1
+ s1.st0 | 2
+(15 rows)
+
+-- No.13-1-13
+DELETE FROM dbms_stats._relation_stats_locked;
+VACUUM dbms_stats._relation_stats_locked; -- in order to avoid auto vacuum
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT count(*) FROM dbms_stats._relation_stats_locked;
+ count
+-------
+ 16
+(1 row)
+
+SELECT count(*) FROM dbms_stats._column_stats_locked;
+ count
+-------
+ 19
+(1 row)
+
+BEGIN;
+SELECT * FROM internal_locks;
+ relation | mode
+----------+------
+(0 rows)
+
+SELECT dbms_stats.unlock();
+ unlock
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT * FROM internal_locks;
+ relation | mode
+-----------------------------------+------------------
+ dbms_stats._column_stats_locked | RowExclusiveLock
+ dbms_stats._relation_stats_locked | AccessShareLock
+ dbms_stats._relation_stats_locked | RowExclusiveLock
+ dbms_stats._relation_stats_locked | RowShareLock
+(4 rows)
+
+COMMIT;
+SELECT count(*) FROM dbms_stats._relation_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+SELECT count(*) FROM dbms_stats._column_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+/*
+ * No.14-1 dbms_stats.unlock_database_stats
+ */
+-- No.14-1-1
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT * FROM dbms_stats.backup_history
+ ORDER BY id;
+ id | time | unit | comment
+----+-------------------------------------+------+---------
+ 1 | Wed Feb 29 23:59:56.999999 2012 PST | d | (null)
+ 2 | Wed Feb 29 23:59:57 2012 PST | d | (null)
+ 3 | Wed Feb 29 23:59:57.000001 2012 PST | t | (null)
+ 4 | Wed Feb 29 23:59:58 2012 PST | d | (null)
+ 5 | Thu Mar 01 00:00:00 2012 PST | c | (null)
+ 6 | Thu Mar 01 00:00:02 2012 PST | t | (null)
+ 7 | Thu Mar 01 00:00:04 2012 PST | t | (null)
+ 8 | Thu Mar 01 00:00:06 2012 PST | s | (null)
+(8 rows)
+
+SELECT count(*) FROM dbms_stats.relation_stats_backup;
+ count
+-------
+ 26
+(1 row)
+
+SELECT count(*) FROM dbms_stats.column_stats_backup;
+ count
+-------
+ 39
+(1 row)
+
+SELECT count(*) FROM dbms_stats._relation_stats_locked;
+ count
+-------
+ 16
+(1 row)
+
+SELECT count(*) FROM dbms_stats._column_stats_locked;
+ count
+-------
+ 19
+(1 row)
+
+SELECT dbms_stats.unlock_database_stats();
+ unlock_database_stats
+-----------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT count(*) FROM dbms_stats._relation_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+SELECT count(*) FROM dbms_stats._column_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+SELECT * FROM dbms_stats.backup_history
+ ORDER BY id;
+ id | time | unit | comment
+----+-------------------------------------+------+---------
+ 1 | Wed Feb 29 23:59:56.999999 2012 PST | d | (null)
+ 2 | Wed Feb 29 23:59:57 2012 PST | d | (null)
+ 3 | Wed Feb 29 23:59:57.000001 2012 PST | t | (null)
+ 4 | Wed Feb 29 23:59:58 2012 PST | d | (null)
+ 5 | Thu Mar 01 00:00:00 2012 PST | c | (null)
+ 6 | Thu Mar 01 00:00:02 2012 PST | t | (null)
+ 7 | Thu Mar 01 00:00:04 2012 PST | t | (null)
+ 8 | Thu Mar 01 00:00:06 2012 PST | s | (null)
+(8 rows)
+
+SELECT count(*) FROM dbms_stats.relation_stats_backup;
+ count
+-------
+ 26
+(1 row)
+
+SELECT count(*) FROM dbms_stats.column_stats_backup;
+ count
+-------
+ 39
+(1 row)
+
+-- No.14-1-2
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+DELETE FROM dbms_stats._column_stats_locked;
+SELECT count(*) FROM dbms_stats._relation_stats_locked;
+ count
+-------
+ 16
+(1 row)
+
+SELECT dbms_stats.unlock_database_stats();
+ unlock_database_stats
+-----------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT count(*) FROM dbms_stats._relation_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+SELECT count(*) FROM dbms_stats._column_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+-- No.14-1-3
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.unlock_database_stats();
+ unlock_database_stats
+-----------------------
+(0 rows)
+
+SELECT count(*) FROM dbms_stats._relation_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+SELECT count(*) FROM dbms_stats._column_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+-- No.14-1-4
+DELETE FROM dbms_stats._relation_stats_locked;
+VACUUM dbms_stats._relation_stats_locked; -- in order to avoid auto vacuum
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT count(*) FROM dbms_stats._relation_stats_locked;
+ count
+-------
+ 16
+(1 row)
+
+SELECT count(*) FROM dbms_stats._column_stats_locked;
+ count
+-------
+ 19
+(1 row)
+
+BEGIN;
+SELECT * FROM internal_locks;
+ relation | mode
+----------+------
+(0 rows)
+
+SELECT dbms_stats.unlock_database_stats();
+ unlock_database_stats
+-----------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT * FROM internal_locks;
+ relation | mode
+-----------------------------------+------------------
+ dbms_stats._column_stats_locked | RowExclusiveLock
+ dbms_stats._relation_stats_locked | AccessShareLock
+ dbms_stats._relation_stats_locked | ExclusiveLock
+ dbms_stats._relation_stats_locked | RowExclusiveLock
+(4 rows)
+
+COMMIT;
+SELECT count(*) FROM dbms_stats._relation_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+SELECT count(*) FROM dbms_stats._column_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+/*
+ * No.14-2 dbms_stats.unlock_schema_stats
+ */
+-- No.14-2-1
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT * FROM dbms_stats.backup_history
+ ORDER BY id;
+ id | time | unit | comment
+----+-------------------------------------+------+---------
+ 1 | Wed Feb 29 23:59:56.999999 2012 PST | d | (null)
+ 2 | Wed Feb 29 23:59:57 2012 PST | d | (null)
+ 3 | Wed Feb 29 23:59:57.000001 2012 PST | t | (null)
+ 4 | Wed Feb 29 23:59:58 2012 PST | d | (null)
+ 5 | Thu Mar 01 00:00:00 2012 PST | c | (null)
+ 6 | Thu Mar 01 00:00:02 2012 PST | t | (null)
+ 7 | Thu Mar 01 00:00:04 2012 PST | t | (null)
+ 8 | Thu Mar 01 00:00:06 2012 PST | s | (null)
+(8 rows)
+
+SELECT count(*) FROM dbms_stats.relation_stats_backup;
+ count
+-------
+ 26
+(1 row)
+
+SELECT count(*) FROM dbms_stats.column_stats_backup;
+ count
+-------
+ 39
+(1 row)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ s0.st0 | 4
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(9 rows)
+
+SELECT dbms_stats.unlock_schema_stats('s0');
+ unlock_schema_stats
+---------------------
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ s0.sft0
+ s0.smv0
+(8 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+---------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ st1_idx
+ st1_exp
+ s1.st0
+(8 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ st1_exp | 1
+ s1.st0 | 2
+(4 rows)
+
+SELECT * FROM dbms_stats.backup_history
+ ORDER BY id;
+ id | time | unit | comment
+----+-------------------------------------+------+---------
+ 1 | Wed Feb 29 23:59:56.999999 2012 PST | d | (null)
+ 2 | Wed Feb 29 23:59:57 2012 PST | d | (null)
+ 3 | Wed Feb 29 23:59:57.000001 2012 PST | t | (null)
+ 4 | Wed Feb 29 23:59:58 2012 PST | d | (null)
+ 5 | Thu Mar 01 00:00:00 2012 PST | c | (null)
+ 6 | Thu Mar 01 00:00:02 2012 PST | t | (null)
+ 7 | Thu Mar 01 00:00:04 2012 PST | t | (null)
+ 8 | Thu Mar 01 00:00:06 2012 PST | s | (null)
+(8 rows)
+
+SELECT count(*) FROM dbms_stats.relation_stats_backup;
+ count
+-------
+ 26
+(1 row)
+
+SELECT count(*) FROM dbms_stats.column_stats_backup;
+ count
+-------
+ 39
+(1 row)
+
+-- No.14-2-2
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+DELETE FROM dbms_stats._column_stats_locked;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+(0 rows)
+
+SELECT dbms_stats.unlock_schema_stats('s0');
+ unlock_schema_stats
+---------------------
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ s0.sft0
+ s0.smv0
+(8 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+---------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ st1_idx
+ st1_exp
+ s1.st0
+(8 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+(0 rows)
+
+-- No.14-2-3
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+-------
+(0 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+(0 rows)
+
+SELECT dbms_stats.unlock_schema_stats('s0');
+ unlock_schema_stats
+---------------------
+(0 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+-------
+(0 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+(0 rows)
+
+-- No.14-2-4
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ s0.st0 | 4
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(9 rows)
+
+SELECT dbms_stats.unlock_schema_stats('s0');
+ unlock_schema_stats
+---------------------
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ s0.sft0
+ s0.smv0
+(8 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+---------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ st1_idx
+ st1_exp
+ s1.st0
+(8 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ st1_exp | 1
+ s1.st0 | 2
+(4 rows)
+
+-- No.14-2-5
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ s0.st0 | 4
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(9 rows)
+
+SELECT dbms_stats.unlock_schema_stats('s00');
+ERROR: schema "s00" not found
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ s0.st0 | 4
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(9 rows)
+
+-- No.14-2-6
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ s0.st0 | 4
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(9 rows)
+
+SELECT dbms_stats.unlock_schema_stats('pg_catalog');
+ERROR: unlocking statistics is not allowed for system schemas: "pg_catalog"
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ s0.st0 | 4
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(9 rows)
+
+-- No.14-2-7
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ s0.st0 | 4
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(9 rows)
+
+SELECT dbms_stats.unlock_schema_stats(NULL);
+ unlock_schema_stats
+---------------------
+(0 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ s0.st0 | 4
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(9 rows)
+
+-- No.14-2-8
+DELETE FROM dbms_stats._relation_stats_locked;
+VACUUM dbms_stats._relation_stats_locked; -- in order to avoid auto vacuum
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ s0.st0 | 4
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(9 rows)
+
+BEGIN;
+SELECT * FROM internal_locks;
+ relation | mode
+----------+------
+(0 rows)
+
+SELECT dbms_stats.unlock_schema_stats('s0');
+ unlock_schema_stats
+---------------------
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ s0.sft0
+ s0.smv0
+(8 rows)
+
+SELECT * FROM internal_locks;
+ relation | mode
+-----------------------------------+------------------
+ dbms_stats._column_stats_locked | RowExclusiveLock
+ dbms_stats._relation_stats_locked | RowExclusiveLock
+ dbms_stats._relation_stats_locked | RowShareLock
+(3 rows)
+
+COMMIT;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+---------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ st1_idx
+ st1_exp
+ s1.st0
+(8 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ st1_exp | 1
+ s1.st0 | 2
+(4 rows)
+
+/*
+ * No.14-3 dbms_stats.unlock_table_stats(regclass)
+ */
+-- No.14-3-1
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT * FROM dbms_stats.backup_history
+ ORDER BY id;
+ id | time | unit | comment
+----+-------------------------------------+------+---------
+ 1 | Wed Feb 29 23:59:56.999999 2012 PST | d | (null)
+ 2 | Wed Feb 29 23:59:57 2012 PST | d | (null)
+ 3 | Wed Feb 29 23:59:57.000001 2012 PST | t | (null)
+ 4 | Wed Feb 29 23:59:58 2012 PST | d | (null)
+ 5 | Thu Mar 01 00:00:00 2012 PST | c | (null)
+ 6 | Thu Mar 01 00:00:02 2012 PST | t | (null)
+ 7 | Thu Mar 01 00:00:04 2012 PST | t | (null)
+ 8 | Thu Mar 01 00:00:06 2012 PST | s | (null)
+(8 rows)
+
+SELECT count(*) FROM dbms_stats.relation_stats_backup;
+ count
+-------
+ 26
+(1 row)
+
+SELECT count(*) FROM dbms_stats.column_stats_backup;
+ count
+-------
+ 39
+(1 row)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ s0.st0 | 4
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(9 rows)
+
+SELECT dbms_stats.unlock_table_stats('s0.st0');
+ unlock_table_stats
+--------------------
+ s0.st0
+(1 row)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(15 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(8 rows)
+
+SELECT * FROM dbms_stats.backup_history
+ ORDER BY id;
+ id | time | unit | comment
+----+-------------------------------------+------+---------
+ 1 | Wed Feb 29 23:59:56.999999 2012 PST | d | (null)
+ 2 | Wed Feb 29 23:59:57 2012 PST | d | (null)
+ 3 | Wed Feb 29 23:59:57.000001 2012 PST | t | (null)
+ 4 | Wed Feb 29 23:59:58 2012 PST | d | (null)
+ 5 | Thu Mar 01 00:00:00 2012 PST | c | (null)
+ 6 | Thu Mar 01 00:00:02 2012 PST | t | (null)
+ 7 | Thu Mar 01 00:00:04 2012 PST | t | (null)
+ 8 | Thu Mar 01 00:00:06 2012 PST | s | (null)
+(8 rows)
+
+SELECT count(*) FROM dbms_stats.relation_stats_backup;
+ count
+-------
+ 26
+(1 row)
+
+SELECT count(*) FROM dbms_stats.column_stats_backup;
+ count
+-------
+ 39
+(1 row)
+
+-- No.14-3-2
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+DELETE FROM dbms_stats._column_stats_locked;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+(0 rows)
+
+SELECT dbms_stats.unlock_table_stats('s0.st0');
+ unlock_table_stats
+--------------------
+ s0.st0
+(1 row)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(15 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+(0 rows)
+
+-- No.14-3-3
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+-------
+(0 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+(0 rows)
+
+SELECT dbms_stats.unlock_table_stats('s0.st0');
+ unlock_table_stats
+--------------------
+(0 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+-------
+(0 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+(0 rows)
+
+-- No.14-3-4
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ s0.st0 | 4
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(9 rows)
+
+SELECT dbms_stats.unlock_table_stats('s0.st0');
+ unlock_table_stats
+--------------------
+ s0.st0
+(1 row)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(15 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(8 rows)
+
+-- No.14-3-5
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ s0.st0 | 4
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(9 rows)
+
+SELECT dbms_stats.unlock_table_stats('st0');
+ unlock_table_stats
+--------------------
+ st0
+(1 row)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(15 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st1 | 2
+ s0.st0 | 4
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(8 rows)
+
+-- No.14-3-6
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ s0.st0 | 4
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(9 rows)
+
+SELECT dbms_stats.unlock_table_stats('s00.s0');
+ERROR: schema "s00" does not exist
+LINE 1: SELECT dbms_stats.unlock_table_stats('s00.s0');
+ ^
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ s0.st0 | 4
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(9 rows)
+
+-- No.14-3-7
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ s0.st0 | 4
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(9 rows)
+
+SELECT dbms_stats.unlock_table_stats(NULL);
+ unlock_table_stats
+--------------------
+(0 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ s0.st0 | 4
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(9 rows)
+
+-- No.14-3-8
+DELETE FROM dbms_stats._relation_stats_locked;
+VACUUM dbms_stats._relation_stats_locked; -- in order to avoid auto vacuum
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ s0.st0 | 4
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(9 rows)
+
+BEGIN;
+SELECT * FROM internal_locks;
+ relation | mode
+----------+------
+(0 rows)
+
+SELECT dbms_stats.unlock_table_stats('s0.st0');
+ unlock_table_stats
+--------------------
+ s0.st0
+(1 row)
+
+SELECT * FROM internal_locks;
+ relation | mode
+-----------------------------------+------------------
+ dbms_stats._column_stats_locked | RowExclusiveLock
+ dbms_stats._relation_stats_locked | RowExclusiveLock
+(2 rows)
+
+COMMIT;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(15 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(8 rows)
+
+/*
+ * No.14-4 dbms_stats.unlock_table_stats(schemaname, tablename)
+ */
+-- No.14-4-1
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT * FROM dbms_stats.backup_history
+ ORDER BY id;
+ id | time | unit | comment
+----+-------------------------------------+------+---------
+ 1 | Wed Feb 29 23:59:56.999999 2012 PST | d | (null)
+ 2 | Wed Feb 29 23:59:57 2012 PST | d | (null)
+ 3 | Wed Feb 29 23:59:57.000001 2012 PST | t | (null)
+ 4 | Wed Feb 29 23:59:58 2012 PST | d | (null)
+ 5 | Thu Mar 01 00:00:00 2012 PST | c | (null)
+ 6 | Thu Mar 01 00:00:02 2012 PST | t | (null)
+ 7 | Thu Mar 01 00:00:04 2012 PST | t | (null)
+ 8 | Thu Mar 01 00:00:06 2012 PST | s | (null)
+(8 rows)
+
+SELECT count(*) FROM dbms_stats.relation_stats_backup;
+ count
+-------
+ 26
+(1 row)
+
+SELECT count(*) FROM dbms_stats.column_stats_backup;
+ count
+-------
+ 39
+(1 row)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ s0.st0 | 4
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(9 rows)
+
+SELECT dbms_stats.unlock_table_stats('s0','st0');
+ unlock_table_stats
+--------------------
+ s0.st0
+(1 row)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(15 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(8 rows)
+
+SELECT * FROM dbms_stats.backup_history
+ ORDER BY id;
+ id | time | unit | comment
+----+-------------------------------------+------+---------
+ 1 | Wed Feb 29 23:59:56.999999 2012 PST | d | (null)
+ 2 | Wed Feb 29 23:59:57 2012 PST | d | (null)
+ 3 | Wed Feb 29 23:59:57.000001 2012 PST | t | (null)
+ 4 | Wed Feb 29 23:59:58 2012 PST | d | (null)
+ 5 | Thu Mar 01 00:00:00 2012 PST | c | (null)
+ 6 | Thu Mar 01 00:00:02 2012 PST | t | (null)
+ 7 | Thu Mar 01 00:00:04 2012 PST | t | (null)
+ 8 | Thu Mar 01 00:00:06 2012 PST | s | (null)
+(8 rows)
+
+SELECT count(*) FROM dbms_stats.relation_stats_backup;
+ count
+-------
+ 26
+(1 row)
+
+SELECT count(*) FROM dbms_stats.column_stats_backup;
+ count
+-------
+ 39
+(1 row)
+
+-- No.14-4-2
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+DELETE FROM dbms_stats._column_stats_locked;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+(0 rows)
+
+SELECT dbms_stats.unlock_table_stats('s0', 'st0');
+ unlock_table_stats
+--------------------
+ s0.st0
+(1 row)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(15 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+(0 rows)
+
+-- No.14-4-3
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+-------
+(0 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+(0 rows)
+
+SELECT dbms_stats.unlock_table_stats('s0', 'st0');
+ unlock_table_stats
+--------------------
+(0 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+-------
+(0 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+(0 rows)
+
+-- No.14-4-4
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ s0.st0 | 4
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(9 rows)
+
+SELECT dbms_stats.unlock_table_stats('s0', 'st0');
+ unlock_table_stats
+--------------------
+ s0.st0
+(1 row)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(15 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(8 rows)
+
+-- No.14-4-5
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ s0.st0 | 4
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(9 rows)
+
+SELECT dbms_stats.unlock_table_stats('s00', 's0');
+ERROR: schema "s00" does not exist
+CONTEXT: SQL function "unlock_table_stats" statement 1
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ s0.st0 | 4
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(9 rows)
+
+-- No.14-4-6
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ s0.st0 | 4
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(9 rows)
+
+SELECT dbms_stats.unlock_table_stats(NULL, 'st0');
+ unlock_table_stats
+--------------------
+(0 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ s0.st0 | 4
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(9 rows)
+
+-- No.14-4-7
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ s0.st0 | 4
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(9 rows)
+
+SELECT dbms_stats.unlock_table_stats('s0', NULL);
+ unlock_table_stats
+--------------------
+(0 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ s0.st0 | 4
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(9 rows)
+
+-- No.14-4-8
+DELETE FROM dbms_stats._relation_stats_locked;
+VACUUM dbms_stats._relation_stats_locked; -- in order to avoid auto vacuum
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ s0.st0 | 4
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(9 rows)
+
+BEGIN;
+SELECT * FROM internal_locks;
+ relation | mode
+----------+------
+(0 rows)
+
+SELECT dbms_stats.unlock_table_stats('s0', 'st0');
+ unlock_table_stats
+--------------------
+ s0.st0
+(1 row)
+
+SELECT * FROM internal_locks;
+ relation | mode
+-----------------------------------+------------------
+ dbms_stats._column_stats_locked | RowExclusiveLock
+ dbms_stats._relation_stats_locked | RowExclusiveLock
+(2 rows)
+
+COMMIT;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(15 rows)
+
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+ starelid | count
+----------+-------
+ st0 | 2
+ st1 | 2
+ s0.st1 | 2
+ s0.st2 | 2
+ st1_exp | 1
+ s0.sft0 | 1
+ s0.smv0 | 3
+ s1.st0 | 2
+(8 rows)
+
+/*
+ * No.14-5 dbms_stats.unlock_column_stats(regclass, attname)
+ */
+-- No.14-5-1
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT * FROM dbms_stats.backup_history
+ ORDER BY id;
+ id | time | unit | comment
+----+-------------------------------------+------+---------
+ 1 | Wed Feb 29 23:59:56.999999 2012 PST | d | (null)
+ 2 | Wed Feb 29 23:59:57 2012 PST | d | (null)
+ 3 | Wed Feb 29 23:59:57.000001 2012 PST | t | (null)
+ 4 | Wed Feb 29 23:59:58 2012 PST | d | (null)
+ 5 | Thu Mar 01 00:00:00 2012 PST | c | (null)
+ 6 | Thu Mar 01 00:00:02 2012 PST | t | (null)
+ 7 | Thu Mar 01 00:00:04 2012 PST | t | (null)
+ 8 | Thu Mar 01 00:00:06 2012 PST | s | (null)
+(8 rows)
+
+SELECT count(*) FROM dbms_stats.relation_stats_backup;
+ count
+-------
+ 26
+(1 row)
+
+SELECT count(*) FROM dbms_stats.column_stats_backup;
+ count
+-------
+ 39
+(1 row)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | id | f
+ s0.st0 | id | t
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+ s1.st0 | id | f
+ s1.st0 | num | f
+(19 rows)
+
+SELECT dbms_stats.unlock_column_stats('s0.st0', 'id');
+ unlock_column_stats
+---------------------
+ s0.st0
+(1 row)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+ s1.st0 | id | f
+ s1.st0 | num | f
+(17 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT * FROM dbms_stats.backup_history
+ ORDER BY id;
+ id | time | unit | comment
+----+-------------------------------------+------+---------
+ 1 | Wed Feb 29 23:59:56.999999 2012 PST | d | (null)
+ 2 | Wed Feb 29 23:59:57 2012 PST | d | (null)
+ 3 | Wed Feb 29 23:59:57.000001 2012 PST | t | (null)
+ 4 | Wed Feb 29 23:59:58 2012 PST | d | (null)
+ 5 | Thu Mar 01 00:00:00 2012 PST | c | (null)
+ 6 | Thu Mar 01 00:00:02 2012 PST | t | (null)
+ 7 | Thu Mar 01 00:00:04 2012 PST | t | (null)
+ 8 | Thu Mar 01 00:00:06 2012 PST | s | (null)
+(8 rows)
+
+SELECT count(*) FROM dbms_stats.relation_stats_backup;
+ count
+-------
+ 26
+(1 row)
+
+SELECT count(*) FROM dbms_stats.column_stats_backup;
+ count
+-------
+ 39
+(1 row)
+
+-- No.14-5-2
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+DELETE FROM dbms_stats._column_stats_locked;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT dbms_stats.unlock_column_stats('s0.st0', 'id');
+ unlock_column_stats
+---------------------
+ s0.st0
+(1 row)
+
+SELECT count(*) FROM dbms_stats.column_stats_locked;
+ count
+-------
+ 0
+(1 row)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+-- No.14-5-3
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | id | f
+ s0.st0 | id | t
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+ s1.st0 | id | f
+ s1.st0 | num | f
+(19 rows)
+
+SELECT dbms_stats.unlock_column_stats('s0.st0', 'id');
+ unlock_column_stats
+---------------------
+ s0.st0
+(1 row)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+ s1.st0 | id | f
+ s1.st0 | num | f
+(17 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+-- No.14-5-4
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | id | f
+ s0.st0 | id | t
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+ s1.st0 | id | f
+ s1.st0 | num | f
+(19 rows)
+
+SELECT dbms_stats.unlock_column_stats('st0', 'id');
+ unlock_column_stats
+---------------------
+ st0
+(1 row)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | id | f
+ s0.st0 | id | t
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+ s1.st0 | id | f
+ s1.st0 | num | f
+(18 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+-- No.14-5-5
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | id | f
+ s0.st0 | id | t
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+ s1.st0 | id | f
+ s1.st0 | num | f
+(19 rows)
+
+SELECT dbms_stats.unlock_column_stats('s0.st0', 'dummy');
+ERROR: column "dummy" not found in relation "s0.st0"
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | id | f
+ s0.st0 | id | t
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+ s1.st0 | id | f
+ s1.st0 | num | f
+(19 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+-- No.14-5-6
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | id | f
+ s0.st0 | id | t
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+ s1.st0 | id | f
+ s1.st0 | num | f
+(19 rows)
+
+SELECT dbms_stats.unlock_column_stats('s00.s0', 'id');
+ERROR: schema "s00" does not exist
+LINE 1: SELECT dbms_stats.unlock_column_stats('s00.s0', 'id');
+ ^
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | id | f
+ s0.st0 | id | t
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+ s1.st0 | id | f
+ s1.st0 | num | f
+(19 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+-- No.14-5-7
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | id | f
+ s0.st0 | id | t
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+ s1.st0 | id | f
+ s1.st0 | num | f
+(19 rows)
+
+SELECT dbms_stats.unlock_column_stats(NULL, 'id');
+ unlock_column_stats
+---------------------
+(0 rows)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | id | f
+ s0.st0 | id | t
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+ s1.st0 | id | f
+ s1.st0 | num | f
+(19 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+-- No.14-5-8
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | id | f
+ s0.st0 | id | t
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+ s1.st0 | id | f
+ s1.st0 | num | f
+(19 rows)
+
+SELECT dbms_stats.unlock_column_stats('s0.st0', NULL);
+ unlock_column_stats
+---------------------
+(0 rows)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | id | f
+ s0.st0 | id | t
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+ s1.st0 | id | f
+ s1.st0 | num | f
+(19 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+-- No.14-5-9
+DELETE FROM dbms_stats._relation_stats_locked;
+VACUUM dbms_stats._relation_stats_locked; -- in order to avoid auto vacuum
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | id | f
+ s0.st0 | id | t
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+ s1.st0 | id | f
+ s1.st0 | num | f
+(19 rows)
+
+BEGIN;
+SELECT * FROM internal_locks;
+ relation | mode
+----------+------
+(0 rows)
+
+SELECT dbms_stats.unlock_column_stats('s0.st0', 'id');
+ unlock_column_stats
+---------------------
+ s0.st0
+(1 row)
+
+SELECT * FROM internal_locks;
+ relation | mode
+-----------------------------------+------------------
+ dbms_stats._column_stats_locked | RowExclusiveLock
+ dbms_stats._relation_stats_locked | RowShareLock
+(2 rows)
+
+COMMIT;
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+ s1.st0 | id | f
+ s1.st0 | num | f
+(17 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+/*
+ * No.14-6 dbms_stats.unlock_column_stats(schemaname, tablename, attname)
+ */
+-- No.14-6-1
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT * FROM dbms_stats.backup_history
+ ORDER BY id;
+ id | time | unit | comment
+----+-------------------------------------+------+---------
+ 1 | Wed Feb 29 23:59:56.999999 2012 PST | d | (null)
+ 2 | Wed Feb 29 23:59:57 2012 PST | d | (null)
+ 3 | Wed Feb 29 23:59:57.000001 2012 PST | t | (null)
+ 4 | Wed Feb 29 23:59:58 2012 PST | d | (null)
+ 5 | Thu Mar 01 00:00:00 2012 PST | c | (null)
+ 6 | Thu Mar 01 00:00:02 2012 PST | t | (null)
+ 7 | Thu Mar 01 00:00:04 2012 PST | t | (null)
+ 8 | Thu Mar 01 00:00:06 2012 PST | s | (null)
+(8 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | id | f
+ s0.st0 | id | t
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+ s1.st0 | id | f
+ s1.st0 | num | f
+(19 rows)
+
+SELECT dbms_stats.unlock_column_stats('s0', 'st0', 'id');
+ unlock_column_stats
+---------------------
+ s0.st0
+(1 row)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+ s1.st0 | id | f
+ s1.st0 | num | f
+(17 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT * FROM dbms_stats.backup_history
+ ORDER BY id;
+ id | time | unit | comment
+----+-------------------------------------+------+---------
+ 1 | Wed Feb 29 23:59:56.999999 2012 PST | d | (null)
+ 2 | Wed Feb 29 23:59:57 2012 PST | d | (null)
+ 3 | Wed Feb 29 23:59:57.000001 2012 PST | t | (null)
+ 4 | Wed Feb 29 23:59:58 2012 PST | d | (null)
+ 5 | Thu Mar 01 00:00:00 2012 PST | c | (null)
+ 6 | Thu Mar 01 00:00:02 2012 PST | t | (null)
+ 7 | Thu Mar 01 00:00:04 2012 PST | t | (null)
+ 8 | Thu Mar 01 00:00:06 2012 PST | s | (null)
+(8 rows)
+
+SELECT count(*) FROM dbms_stats.relation_stats_backup;
+ count
+-------
+ 26
+(1 row)
+
+SELECT count(*) FROM dbms_stats.column_stats_backup;
+ count
+-------
+ 39
+(1 row)
+
+-- No.14-6-2
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+DELETE FROM dbms_stats._column_stats_locked;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT dbms_stats.unlock_column_stats('s0', 'st0', 'id');
+ unlock_column_stats
+---------------------
+ s0.st0
+(1 row)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+(0 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+-- No.14-6-3
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | id | f
+ s0.st0 | id | t
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+ s1.st0 | id | f
+ s1.st0 | num | f
+(19 rows)
+
+SELECT dbms_stats.unlock_column_stats('s0', 'st0', 'id');
+ unlock_column_stats
+---------------------
+ s0.st0
+(1 row)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+ s1.st0 | id | f
+ s1.st0 | num | f
+(17 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+-- No.14-6-4
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | id | f
+ s0.st0 | id | t
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+ s1.st0 | id | f
+ s1.st0 | num | f
+(19 rows)
+
+SELECT dbms_stats.unlock_column_stats('s0', 'st0', 'dummy');
+ERROR: column "dummy" not found in relation "s0.st0"
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | id | f
+ s0.st0 | id | t
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+ s1.st0 | id | f
+ s1.st0 | num | f
+(19 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+-- No.14-6-5
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | id | f
+ s0.st0 | id | t
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+ s1.st0 | id | f
+ s1.st0 | num | f
+(19 rows)
+
+SELECT dbms_stats.unlock_column_stats(NULL, 'st0', 'id');
+ unlock_column_stats
+---------------------
+(0 rows)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | id | f
+ s0.st0 | id | t
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+ s1.st0 | id | f
+ s1.st0 | num | f
+(19 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+-- No.14-6-6
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | id | f
+ s0.st0 | id | t
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+ s1.st0 | id | f
+ s1.st0 | num | f
+(19 rows)
+
+SELECT dbms_stats.unlock_column_stats('s0', NULL, 'id');
+ unlock_column_stats
+---------------------
+(0 rows)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | id | f
+ s0.st0 | id | t
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+ s1.st0 | id | f
+ s1.st0 | num | f
+(19 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+-- No.14-6-7
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | id | f
+ s0.st0 | id | t
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+ s1.st0 | id | f
+ s1.st0 | num | f
+(19 rows)
+
+SELECT dbms_stats.unlock_column_stats('s0', 'st0', NULL);
+ unlock_column_stats
+---------------------
+(0 rows)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | id | f
+ s0.st0 | id | t
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+ s1.st0 | id | f
+ s1.st0 | num | f
+(19 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+-- No.14-6-8
+DELETE FROM dbms_stats._relation_stats_locked;
+VACUUM dbms_stats._relation_stats_locked; -- in order to avoid auto vacuum
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | id | f
+ s0.st0 | id | t
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+ s1.st0 | id | f
+ s1.st0 | num | f
+(19 rows)
+
+BEGIN;
+SELECT * FROM internal_locks;
+ relation | mode
+----------+------
+(0 rows)
+
+SELECT dbms_stats.unlock_column_stats('s0', 'st0', 'id');
+ unlock_column_stats
+---------------------
+ s0.st0
+(1 row)
+
+SELECT * FROM internal_locks;
+ relation | mode
+-----------------------------------+------------------
+ dbms_stats._column_stats_locked | RowExclusiveLock
+ dbms_stats._relation_stats_locked | RowShareLock
+(2 rows)
+
+COMMIT;
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+ starelid | attname | stainherit
+----------+---------+------------
+ st0 | id | f
+ st0 | name | f
+ st1 | val | f
+ st1 | str | f
+ s0.st0 | num | f
+ s0.st0 | num | t
+ s0.st1 | id | f
+ s0.st1 | num | f
+ s0.st2 | id | f
+ s0.st2 | txt | f
+ st1_exp | lower | f
+ s0.sft0 | id | f
+ s0.smv0 | id | f
+ s0.smv0 | num | f
+ s0.smv0 | txt | f
+ s1.st0 | id | f
+ s1.st0 | num | f
+(17 rows)
+
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+ relid
+------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+(16 rows)
+
--- /dev/null
+/* pg_dbms_stats/pg_dbms_stats--1.0--1.3.2.sql */
+
+-- complain if script is sourced in psql, rather than via CREATE EXTENSION
+\echo Use "ALTER EXTENSION pg_dbms_stats UPDATE TO '1.3.2'" to load this file. \quit
--- /dev/null
+/* pg_dbms_stats/pg_dbms_stats--1.3.2--1.3.3.sql */
+
+-- complain if script is sourced in psql, rather than via CREATE EXTENSION
+\echo Use "ALTER EXTENSION pg_dbms_stats UPDATE TO '1.3.3'" to load this file. \quit
+
+CREATE OR REPLACE FUNCTION dbms_stats.backup(
+ backup_id int8,
+ relid regclass,
+ attnum int2
+) RETURNS int8 AS
+$$
+/* Lock the backup id */
+SELECT * from dbms_stats.backup_history
+ WHERE id = $1 FOR UPDATE;
+
+INSERT INTO dbms_stats.relation_stats_backup
+ SELECT $1, v.relid, v.relname, v.relpages, v.reltuples, v.relallvisible,
+ v.curpages, v.last_analyze, v.last_autoanalyze
+ FROM pg_catalog.pg_class c,
+ dbms_stats.relation_stats_effective v
+ WHERE c.oid = v.relid
+ AND dbms_stats.is_target_relkind(relkind)
+ AND NOT dbms_stats.is_system_catalog(v.relid)
+ AND (v.relid = $2 OR $2 IS NULL);
+
+INSERT INTO dbms_stats.column_stats_backup
+ SELECT $1, atttypid, s.*
+ FROM pg_catalog.pg_class c,
+ dbms_stats.column_stats_effective s,
+ pg_catalog.pg_attribute a
+ WHERE c.oid = starelid
+ AND starelid = attrelid
+ AND staattnum = attnum
+ AND dbms_stats.is_target_relkind(relkind)
+ AND NOT dbms_stats.is_system_catalog(c.oid)
+ AND ($2 IS NULL OR starelid = $2)
+ AND ($3 IS NULL OR staattnum = $3);
+
+SELECT $1;
+$$
+LANGUAGE sql;
+
+CREATE OR REPLACE FUNCTION dbms_stats.backup(
+ relid regclass DEFAULT NULL,
+ attname text DEFAULT NULL,
+ comment text DEFAULT NULL
+) RETURNS int8 AS
+$$
+DECLARE
+ backup_id int8;
+ backup_relkind "char";
+ set_attnum int2;
+ unit_type char;
+BEGIN
+ IF $1 IS NULL AND $2 IS NOT NULL THEN
+ RAISE EXCEPTION 'relation required';
+ END IF;
+ IF $1 IS NOT NULL THEN
+ SELECT relkind INTO backup_relkind
+ FROM pg_catalog.pg_class WHERE oid = $1 FOR SHARE;
+ IF NOT FOUND THEN
+ RAISE EXCEPTION 'relation "%" not found', $1;
+ END IF;
+ IF NOT dbms_stats.is_target_relkind(backup_relkind) THEN
+ RAISE EXCEPTION 'relation of relkind "%" cannot have statistics to backup: "%"',
+ backup_relkind, $1
+ USING HINT = 'Only tables(r), materialized views(m), foreign tables(f) and indexes(i) are allowed.';
+ END IF;
+ IF dbms_stats.is_system_catalog($1) THEN
+ RAISE EXCEPTION 'backing up statistics is inhibited for system catalogs: "%"', $1;
+ END IF;
+ IF $2 IS NOT NULL THEN
+ SELECT a.attnum INTO set_attnum FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = $1 AND a.attname = $2 FOR SHARE;
+ IF set_attnum IS NULL THEN
+ RAISE EXCEPTION 'column "%" not found in relation "%"', $2, $1;
+ END IF;
+ IF NOT EXISTS(SELECT * FROM dbms_stats.column_stats_effective WHERE starelid = $1 AND staattnum = set_attnum) THEN
+ RAISE EXCEPTION 'no statistics available for column "%" of relation "%"', $2, $1;
+ END IF;
+ unit_type = 'c';
+ ELSE
+ unit_type = 't';
+ END IF;
+ ELSE
+ unit_type = 'd';
+ END IF;
+
+ INSERT INTO dbms_stats.backup_history(time, unit, comment)
+ VALUES (current_timestamp, unit_type, $3)
+ RETURNING dbms_stats.backup(id, $1, set_attnum) INTO backup_id;
+ RETURN backup_id;
+END;
+$$
+LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION dbms_stats.backup_schema_stats(
+ schemaname text,
+ comment text
+) RETURNS int8 AS
+$$
+DECLARE
+ backup_id int8;
+BEGIN
+ IF NOT EXISTS(SELECT * FROM pg_namespace WHERE nspname = $1 FOR SHARE)
+ THEN
+ RAISE EXCEPTION 'schema "%" not found', $1;
+ END IF;
+ IF dbms_stats.is_system_schema($1) THEN
+ RAISE EXCEPTION 'backing up statistics is inhibited for system schemas: "%"', $1;
+ END IF;
+
+ INSERT INTO dbms_stats.backup_history(time, unit, comment)
+ VALUES (current_timestamp, 's', comment)
+ RETURNING id INTO backup_id;
+
+ PERFORM dbms_stats.backup(backup_id, cn.oid, NULL)
+ FROM (SELECT c.oid
+ FROM pg_catalog.pg_class c,
+ pg_catalog.pg_namespace n
+ WHERE n.nspname = schemaname
+ AND c.relnamespace = n.oid
+ AND dbms_stats.is_target_relkind(c.relkind)
+ ORDER BY c.oid
+ ) cn;
+
+ RETURN backup_id;
+END;
+$$
+LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION dbms_stats.restore(
+ backup_id int8,
+ relid regclass DEFAULT NULL,
+ attname text DEFAULT NULL
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ restore_id int8;
+ restore_relid regclass;
+ restore_attnum int2;
+ set_attnum int2;
+ restore_attname text;
+ restore_type regtype;
+ cur_type regtype;
+BEGIN
+ IF $1 IS NULL THEN
+ RAISE EXCEPTION 'backup id required';
+ END IF;
+ IF $2 IS NULL AND $3 IS NOT NULL THEN
+ RAISE EXCEPTION 'relation required';
+ END IF;
+ IF NOT EXISTS(SELECT * FROM dbms_stats.backup_history
+ WHERE id <= $1 FOR SHARE) THEN
+ RAISE EXCEPTION 'backup id % not found', $1;
+ END IF;
+ IF $2 IS NOT NULL THEN
+ IF NOT EXISTS(SELECT * FROM pg_catalog.pg_class
+ WHERE oid = $2 FOR SHARE) THEN
+ RAISE EXCEPTION 'relation "%" not found', $2;
+ END IF;
+ -- Grabbing all backups for the relation which is not used in restore.
+ IF NOT EXISTS(SELECT * FROM dbms_stats.relation_stats_backup b
+ WHERE b.id <= $1 AND b.relid = $2 FOR SHARE) THEN
+ RAISE EXCEPTION 'statistics of relation "%" not found in any backups before backup id = %', $2, $1;
+ END IF;
+ IF $3 IS NOT NULL THEN
+ SELECT a.attnum INTO set_attnum FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = $2 AND a.attname = $3;
+ IF set_attnum IS NULL THEN
+ RAISE EXCEPTION 'column "%" not found in relation %', $3, $2;
+ END IF;
+ IF NOT EXISTS(SELECT * FROM dbms_stats.column_stats_backup WHERE id <= $1 AND starelid = $2 AND staattnum = set_attnum) THEN
+ RAISE EXCEPTION 'statistics of column "%" of relation "%" are not found in any backups before',$3, $2, $1;
+ END IF;
+ END IF;
+ PERFORM * FROM dbms_stats._relation_stats_locked r
+ WHERE r.relid = $2 FOR UPDATE;
+ ELSE
+ /* Lock the whole relation stats if relation is not specified.*/
+ LOCK dbms_stats._relation_stats_locked IN EXCLUSIVE MODE;
+ END IF;
+
+ FOR restore_id, restore_relid IN
+ SELECT max(id), coid FROM
+ (SELECT b.id as id, c.oid as coid
+ FROM pg_class c, dbms_stats.relation_stats_backup b
+ WHERE (c.oid = $2 OR $2 IS NULL)
+ AND c.oid = b.relid
+ AND dbms_stats.is_target_relkind(c.relkind)
+ AND NOT dbms_stats.is_system_catalog(c.oid)
+ AND b.id <= $1
+ FOR SHARE) t
+ GROUP BY coid
+ ORDER BY coid::regclass::text
+ LOOP
+ UPDATE dbms_stats._relation_stats_locked r
+ SET relid = b.relid,
+ relname = b.relname,
+ relpages = b.relpages,
+ reltuples = b.reltuples,
+ relallvisible = b.relallvisible,
+ curpages = b.curpages,
+ last_analyze = b.last_analyze,
+ last_autoanalyze = b.last_autoanalyze
+ FROM dbms_stats.relation_stats_backup b
+ WHERE r.relid = restore_relid
+ AND b.id = restore_id
+ AND b.relid = restore_relid;
+ IF NOT FOUND THEN
+ INSERT INTO dbms_stats._relation_stats_locked
+ SELECT b.relid,
+ b.relname,
+ b.relpages,
+ b.reltuples,
+ b.relallvisible,
+ b.curpages,
+ b.last_analyze,
+ b.last_autoanalyze
+ FROM dbms_stats.relation_stats_backup b
+ WHERE b.id = restore_id
+ AND b.relid = restore_relid;
+ END IF;
+ RETURN NEXT restore_relid;
+ END LOOP;
+
+ FOR restore_id, restore_relid, restore_attnum, restore_type, cur_type IN
+ SELECT t.id, t.oid, t.attnum, b.statypid, a.atttypid
+ FROM pg_attribute a,
+ dbms_stats.column_stats_backup b,
+ (SELECT max(b.id) AS id, c.oid, a.attnum
+ FROM pg_class c, pg_attribute a, dbms_stats.column_stats_backup b
+ WHERE (c.oid = $2 OR $2 IS NULL)
+ AND c.oid = a.attrelid
+ AND c.oid = b.starelid
+ AND (a.attnum = set_attnum OR set_attnum IS NULL)
+ AND a.attnum = b.staattnum
+ AND NOT a.attisdropped
+ AND dbms_stats.is_target_relkind(c.relkind)
+ AND b.id <= $1
+ GROUP BY c.oid, a.attnum) t
+ WHERE a.attrelid = t.oid
+ AND a.attnum = t.attnum
+ AND b.id = t.id
+ AND b.starelid = t.oid
+ AND b.staattnum = t.attnum
+ LOOP
+ IF restore_type <> cur_type THEN
+ SELECT a.attname INTO restore_attname
+ FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = restore_relid
+ AND a.attnum = restore_attnum;
+ RAISE WARNING 'data type of column "%.%" is inconsistent between database(%) and backup (%). Skip.',
+ restore_relid, restore_attname, cur_type, restore_type;
+ ELSE
+ DELETE FROM dbms_stats._column_stats_locked
+ WHERE starelid = restore_relid
+ AND staattnum = restore_attnum;
+ INSERT INTO dbms_stats._column_stats_locked
+ SELECT starelid, staattnum, stainherit,
+ stanullfrac, stawidth, stadistinct,
+ stakind1, stakind2, stakind3, stakind4, stakind5,
+ staop1, staop2, staop3, staop4, staop5,
+ stanumbers1, stanumbers2, stanumbers3, stanumbers4, stanumbers5,
+ stavalues1, stavalues2, stavalues3, stavalues4, stavalues5
+ FROM dbms_stats.column_stats_backup
+ WHERE id = restore_id
+ AND starelid = restore_relid
+ AND staattnum = restore_attnum;
+ END IF;
+ END LOOP;
+EXCEPTION
+ WHEN unique_violation THEN
+ RAISE EXCEPTION 'This operation is canceled by simultaneous lock or restore operation on the same relation.';
+END;
+$$
+LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION dbms_stats.restore_database_stats(
+ as_of_timestamp timestamp with time zone
+) RETURNS SETOF regclass AS
+$$
+SELECT dbms_stats.restore(m.id, m.relid)
+ FROM (SELECT max(id) AS id, relid
+ FROM (SELECT r.id, r.relid
+ FROM pg_class c, dbms_stats.relation_stats_backup r,
+ dbms_stats.backup_history b
+ WHERE c.oid = r.relid
+ AND r.id = b.id
+ AND b.time <= $1
+ FOR SHARE) t1
+ GROUP BY t1.relid
+ ORDER BY t1.relid) m;
+$$
+LANGUAGE sql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.restore_schema_stats(
+ schemaname text,
+ as_of_timestamp timestamp with time zone
+) RETURNS SETOF regclass AS
+$$
+BEGIN
+ IF NOT EXISTS(SELECT * FROM pg_namespace WHERE nspname = $1) THEN
+ RAISE EXCEPTION 'schema "%" not found', $1;
+ END IF;
+ IF dbms_stats.is_system_schema($1) THEN
+ RAISE EXCEPTION 'restoring statistics is inhibited for system schemas: "%"', $1;
+ END IF;
+
+ RETURN QUERY
+ SELECT dbms_stats.restore(m.id, m.relid)
+ FROM (SELECT max(id) AS id, relid
+ FROM (SELECT r.id, r.relid
+ FROM pg_class c, pg_namespace n,
+ dbms_stats.relation_stats_backup r,
+ dbms_stats.backup_history b
+ WHERE c.oid = r.relid
+ AND c.relnamespace = n.oid
+ AND n.nspname = $1
+ AND r.id = b.id
+ AND b.time <= $2
+ FOR SHARE) t1
+ GROUP BY t1.relid
+ ORDER BY t1.relid) m;
+END;
+$$
+LANGUAGE plpgsql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.restore_stats(
+ backup_id int8
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ restore_relid regclass;
+ restore_attnum int2;
+ restore_attname text;
+ restore_type regtype;
+ cur_type regtype;
+BEGIN
+ IF NOT EXISTS(SELECT * FROM dbms_stats.backup_history WHERE id = $1) THEN
+ RAISE EXCEPTION 'backup id % not found', $1;
+ END IF;
+
+ /* Lock the backup */
+ PERFORM * from dbms_stats.relation_stats_backup b
+ WHERE id = $1 FOR SHARE;
+
+ /* Locking only _relation_stats_locked is sufficient */
+ LOCK dbms_stats._relation_stats_locked IN EXCLUSIVE MODE;
+
+ FOR restore_relid IN
+ SELECT b.relid
+ FROM pg_class c
+ JOIN dbms_stats.relation_stats_backup b ON (c.oid = b.relid)
+ WHERE b.id = $1
+ ORDER BY c.oid::regclass::text
+ LOOP
+ UPDATE dbms_stats._relation_stats_locked r
+ SET relid = b.relid,
+ relname = b.relname,
+ relpages = b.relpages,
+ reltuples = b.reltuples,
+ relallvisible = b.relallvisible,
+ curpages = b.curpages,
+ last_analyze = b.last_analyze,
+ last_autoanalyze = b.last_autoanalyze
+ FROM dbms_stats.relation_stats_backup b
+ WHERE r.relid = restore_relid
+ AND b.id = $1
+ AND b.relid = restore_relid;
+ IF NOT FOUND THEN
+ INSERT INTO dbms_stats._relation_stats_locked
+ SELECT b.relid,
+ b.relname,
+ b.relpages,
+ b.reltuples,
+ b.relallvisible,
+ b.curpages,
+ b.last_analyze,
+ b.last_autoanalyze
+ FROM dbms_stats.relation_stats_backup b
+ WHERE b.id = $1
+ AND b.relid = restore_relid;
+ END IF;
+ RETURN NEXT restore_relid;
+ END LOOP;
+
+ FOR restore_relid, restore_attnum, restore_type, cur_type IN
+ SELECT c.oid, a.attnum, b.statypid, a.atttypid
+ FROM pg_class c
+ JOIN dbms_stats.column_stats_backup b ON (c.oid = b.starelid)
+ JOIN pg_attribute a ON (b.starelid = attrelid
+ AND b.staattnum = a.attnum)
+ WHERE b.id = $1
+ LOOP
+ IF restore_type <> cur_type THEN
+ SELECT attname INTO restore_attname
+ FROM pg_catalog.pg_attribute
+ WHERE attrelid = restore_relid
+ AND attnum = restore_attnum;
+ RAISE WARNING 'data type of column "%.%" is inconsistent between database(%) and backup (%). Skip.',
+ restore_relid, restore_attname, cur_type, restore_type;
+ ELSE
+ DELETE FROM dbms_stats._column_stats_locked
+ WHERE starelid = restore_relid
+ AND staattnum = restore_attnum;
+ INSERT INTO dbms_stats._column_stats_locked
+ SELECT starelid, staattnum, stainherit,
+ stanullfrac, stawidth, stadistinct,
+ stakind1, stakind2, stakind3, stakind4, stakind5,
+ staop1, staop2, staop3, staop4, staop5,
+ stanumbers1, stanumbers2, stanumbers3, stanumbers4, stanumbers5,
+ stavalues1, stavalues2, stavalues3, stavalues4, stavalues5
+ FROM dbms_stats.column_stats_backup
+ WHERE id = $1
+ AND starelid = restore_relid
+ AND staattnum = restore_attnum;
+ END IF;
+ END LOOP;
+
+END;
+$$
+LANGUAGE plpgsql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.lock(
+ relid regclass,
+ attname text
+) RETURNS regclass AS
+$$
+DECLARE
+ lock_relkind "char";
+ set_attnum int2;
+ r record;
+BEGIN
+ IF $1 IS NULL THEN
+ RAISE EXCEPTION 'relation required';
+ END IF;
+ IF $2 IS NULL THEN
+ RETURN dbms_stats.lock($1);
+ END IF;
+ SELECT relkind INTO lock_relkind FROM pg_catalog.pg_class WHERE oid = $1;
+ IF NOT FOUND THEN
+ RAISE EXCEPTION 'relation "%" not found', $1;
+ END IF;
+ IF NOT dbms_stats.is_target_relkind(lock_relkind) THEN
+ RAISE EXCEPTION '"%" must be a table or an index', $1;
+ END IF;
+ IF EXISTS(SELECT * FROM pg_catalog.pg_index WHERE lock_relkind = 'i' AND indexrelid = $1 AND indexprs IS NULL) THEN
+ RAISE EXCEPTION '"%" must be an expression index', $1;
+ END IF;
+ IF dbms_stats.is_system_catalog($1) THEN
+ RAISE EXCEPTION 'locking statistics is inhibited for system catalogs: "%"', $1;
+ END IF;
+ SELECT a.attnum INTO set_attnum FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = $1 AND a.attname = $2;
+ IF set_attnum IS NULL THEN
+ RAISE EXCEPTION 'column "%" not found in relation "%"', $2, $1;
+ END IF;
+
+ /*
+ * If we don't have per-table statistics, create new one which has NULL for
+ * every statistic value for column_stats_effective.
+ */
+ IF NOT EXISTS(SELECT * FROM dbms_stats._relation_stats_locked ru
+ WHERE ru.relid = $1 FOR SHARE) THEN
+ INSERT INTO dbms_stats._relation_stats_locked
+ SELECT $1, dbms_stats.relname(nspname, relname),
+ NULL, NULL, NULL, NULL, NULL
+ FROM pg_catalog.pg_class c, pg_catalog.pg_namespace n
+ WHERE c.relnamespace = n.oid
+ AND c.oid = $1;
+ END IF;
+
+ /*
+ * Process for per-column statistics
+ */
+ FOR r IN
+ SELECT stainherit, stanullfrac, stawidth, stadistinct,
+ stakind1, stakind2, stakind3, stakind4, stakind5,
+ staop1, staop2, staop3, staop4, staop5,
+ stanumbers1, stanumbers2, stanumbers3, stanumbers4, stanumbers5,
+ stavalues1, stavalues2, stavalues3, stavalues4, stavalues5
+ FROM dbms_stats.column_stats_effective
+ WHERE starelid = $1
+ AND staattnum = set_attnum
+ LOOP
+ UPDATE dbms_stats._column_stats_locked c
+ SET stanullfrac = r.stanullfrac,
+ stawidth = r.stawidth,
+ stadistinct = r.stadistinct,
+ stakind1 = r.stakind1,
+ stakind2 = r.stakind2,
+ stakind3 = r.stakind3,
+ stakind4 = r.stakind4,
+ stakind5 = r.stakind5,
+ staop1 = r.staop1,
+ staop2 = r.staop2,
+ staop3 = r.staop3,
+ staop4 = r.staop4,
+ staop5 = r.staop5,
+ stanumbers1 = r.stanumbers1,
+ stanumbers2 = r.stanumbers2,
+ stanumbers3 = r.stanumbers3,
+ stanumbers4 = r.stanumbers4,
+ stanumbers5 = r.stanumbers5,
+ stavalues1 = r.stavalues1,
+ stavalues2 = r.stavalues2,
+ stavalues3 = r.stavalues3,
+ stavalues4 = r.stavalues4,
+ stavalues5 = r.stavalues5
+ WHERE c.starelid = $1
+ AND c.staattnum = set_attnum
+ AND c.stainherit = r.stainherit;
+
+ IF NOT FOUND THEN
+ INSERT INTO dbms_stats._column_stats_locked
+ VALUES ($1,
+ set_attnum,
+ r.stainherit,
+ r.stanullfrac,
+ r.stawidth,
+ r.stadistinct,
+ r.stakind1,
+ r.stakind2,
+ r.stakind3,
+ r.stakind4,
+ r.stakind5,
+ r.staop1,
+ r.staop2,
+ r.staop3,
+ r.staop4,
+ r.staop5,
+ r.stanumbers1,
+ r.stanumbers2,
+ r.stanumbers3,
+ r.stanumbers4,
+ r.stanumbers5,
+ r.stavalues1,
+ r.stavalues2,
+ r.stavalues3,
+ r.stavalues4,
+ r.stavalues5);
+ END IF;
+ END LOOP;
+
+ /* If we don't have statistics at all, raise error. */
+ IF NOT FOUND THEN
+ RAISE EXCEPTION 'no statistics available for column "%" of relation "%"', $2, $1::regclass;
+ END IF;
+
+ RETURN $1;
+EXCEPTION
+ WHEN unique_violation THEN
+ RAISE EXCEPTION 'This operation is canceled by simultaneous lock or restore operation on the same relation.';
+END;
+$$
+LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION dbms_stats.lock(relid regclass)
+ RETURNS regclass AS
+$$
+DECLARE
+ lock_relkind "char";
+ i record;
+BEGIN
+ IF $1 IS NULL THEN
+ RAISE EXCEPTION 'relation required';
+ END IF;
+ SELECT relkind INTO lock_relkind FROM pg_catalog.pg_class WHERE oid = $1;
+ IF NOT FOUND THEN
+ RAISE EXCEPTION 'relation "%" not found', $1;
+ END IF;
+ IF NOT dbms_stats.is_target_relkind(lock_relkind) THEN
+ RAISE EXCEPTION 'locking statistics is not allowed for relations with relkind "%": "%"', lock_relkind, $1
+ USING HINT = 'Only tables(r, m, f) and indexes(i) are lockable.';
+ END IF;
+ IF dbms_stats.is_system_catalog($1) THEN
+ RAISE EXCEPTION 'locking statistics is not allowed for system catalogs: "%"', $1;
+ END IF;
+
+ UPDATE dbms_stats._relation_stats_locked r
+ SET relname = dbms_stats.relname(nspname, c.relname),
+ relpages = v.relpages,
+ reltuples = v.reltuples,
+ relallvisible = v.relallvisible,
+ curpages = v.curpages,
+ last_analyze = v.last_analyze,
+ last_autoanalyze = v.last_autoanalyze
+ FROM pg_catalog.pg_class c,
+ pg_catalog.pg_namespace n,
+ dbms_stats.relation_stats_effective v
+ WHERE r.relid = $1
+ AND c.oid = $1
+ AND c.relnamespace = n.oid
+ AND v.relid = $1;
+ IF NOT FOUND THEN
+ INSERT INTO dbms_stats._relation_stats_locked
+ SELECT $1, dbms_stats.relname(nspname, c.relname),
+ v.relpages, v.reltuples, v.relallvisible, v.curpages,
+ v.last_analyze, v.last_autoanalyze
+ FROM pg_catalog.pg_class c,
+ pg_catalog.pg_namespace n,
+ dbms_stats.relation_stats_effective v
+ WHERE c.oid = $1
+ AND c.relnamespace = n.oid
+ AND v.relid = $1;
+ END IF;
+
+ IF EXISTS(SELECT *
+ FROM pg_catalog.pg_class c LEFT JOIN pg_catalog.pg_index ind
+ ON c.oid = ind.indexrelid
+ WHERE c.oid = $1
+ AND c.relkind = 'i'
+ AND ind.indexprs IS NULL) THEN
+ RETURN $1;
+ END IF;
+
+ FOR i IN
+ SELECT staattnum, stainherit, stanullfrac,
+ stawidth, stadistinct,
+ stakind1, stakind2, stakind3, stakind4, stakind5,
+ staop1, staop2, staop3, staop4, staop5,
+ stanumbers1, stanumbers2, stanumbers3, stanumbers4, stanumbers5,
+ stavalues1, stavalues2, stavalues3, stavalues4, stavalues5
+ FROM dbms_stats.column_stats_effective
+ WHERE starelid = $1
+ LOOP
+ UPDATE dbms_stats._column_stats_locked c
+ SET stanullfrac = i.stanullfrac,
+ stawidth = i.stawidth,
+ stadistinct = i.stadistinct,
+ stakind1 = i.stakind1,
+ stakind2 = i.stakind2,
+ stakind3 = i.stakind3,
+ stakind4 = i.stakind4,
+ stakind5 = i.stakind5,
+ staop1 = i.staop1,
+ staop2 = i.staop2,
+ staop3 = i.staop3,
+ staop4 = i.staop4,
+ staop5 = i.staop5,
+ stanumbers1 = i.stanumbers1,
+ stanumbers2 = i.stanumbers2,
+ stanumbers3 = i.stanumbers3,
+ stanumbers4 = i.stanumbers4,
+ stanumbers5 = i.stanumbers5,
+ stavalues1 = i.stavalues1,
+ stavalues2 = i.stavalues2,
+ stavalues3 = i.stavalues3,
+ stavalues4 = i.stavalues4,
+ stavalues5 = i.stavalues5
+ WHERE c.starelid = $1
+ AND c.staattnum = i.staattnum
+ AND c.stainherit = i.stainherit;
+
+ IF NOT FOUND THEN
+ INSERT INTO dbms_stats._column_stats_locked
+ VALUES ($1,
+ i.staattnum,
+ i.stainherit,
+ i.stanullfrac,
+ i.stawidth,
+ i.stadistinct,
+ i.stakind1,
+ i.stakind2,
+ i.stakind3,
+ i.stakind4,
+ i.stakind5,
+ i.staop1,
+ i.staop2,
+ i.staop3,
+ i.staop4,
+ i.staop5,
+ i.stanumbers1,
+ i.stanumbers2,
+ i.stanumbers3,
+ i.stanumbers4,
+ i.stanumbers5,
+ i.stavalues1,
+ i.stavalues2,
+ i.stavalues3,
+ i.stavalues4,
+ i.stavalues5);
+ END IF;
+ END LOOP;
+
+ RETURN $1;
+EXCEPTION
+ WHEN unique_violation THEN
+ RAISE EXCEPTION 'This operation is canceled by simultaneous lock operation on the same relation.';
+END;
+$$
+LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION dbms_stats.lock_schema_stats(
+ schemaname text
+) RETURNS SETOF regclass AS
+$$
+BEGIN
+ IF NOT EXISTS(SELECT * FROM pg_namespace WHERE nspname = $1) THEN
+ RAISE EXCEPTION 'schema "%" not found', $1;
+ END IF;
+ IF dbms_stats.is_system_schema($1) THEN
+ RAISE EXCEPTION 'locking statistics is not allowed for system schemas: "%"', $1;
+ END IF;
+
+ RETURN QUERY
+ SELECT dbms_stats.lock(cn.oid)
+ FROM (SELECT c.oid
+ FROM pg_class c, pg_namespace n
+ WHERE c.relnamespace = n.oid
+ AND dbms_stats.is_target_relkind(c.relkind)
+ AND n.nspname = $1
+ ORDER BY c.oid
+ ) cn;
+END;
+$$
+LANGUAGE plpgsql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock(
+ relid regclass DEFAULT NULL,
+ attname text DEFAULT NULL
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ set_attnum int2;
+ unlock_id int8;
+BEGIN
+ IF $1 IS NULL AND $2 IS NOT NULL THEN
+ RAISE EXCEPTION 'relation required';
+ END IF;
+
+ /*
+ * Lock the target relation to prevent conflicting with stats lock/restore
+ */
+ PERFORM * FROM dbms_stats._relation_stats_locked ru
+ WHERE (ru.relid = $1 OR $1 IS NULL) FOR UPDATE;
+
+ SELECT a.attnum INTO set_attnum FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = $1 AND a.attname = $2;
+ IF $2 IS NOT NULL AND set_attnum IS NULL THEN
+ RAISE EXCEPTION 'column "%" not found in relation "%"', $2, $1;
+ END IF;
+
+ DELETE FROM dbms_stats._column_stats_locked
+ WHERE (starelid = $1 OR $1 IS NULL)
+ AND (staattnum = set_attnum OR $2 IS NULL);
+
+ IF $1 IS NOT NULL AND $2 IS NOT NULL THEN
+ RETURN QUERY
+ SELECT $1;
+ END IF;
+ FOR unlock_id IN
+ SELECT ru.relid
+ FROM dbms_stats._relation_stats_locked ru
+ WHERE (ru.relid = $1 OR $1 IS NULL) AND ($2 IS NULL)
+ ORDER BY ru.relid
+ LOOP
+ DELETE FROM dbms_stats._relation_stats_locked ru
+ WHERE ru.relid = unlock_id;
+ RETURN NEXT unlock_id;
+ END LOOP;
+END;
+$$
+LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock_database_stats()
+ RETURNS SETOF regclass AS
+$$
+DECLARE
+ unlock_id int8;
+BEGIN
+ LOCK dbms_stats._relation_stats_locked IN EXCLUSIVE MODE;
+
+ FOR unlock_id IN
+ SELECT relid
+ FROM dbms_stats._relation_stats_locked
+ ORDER BY relid
+ LOOP
+ DELETE FROM dbms_stats._relation_stats_locked
+ WHERE relid = unlock_id;
+ RETURN NEXT unlock_id;
+ END LOOP;
+END;
+$$
+LANGUAGE plpgsql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock_table_stats(relid regclass)
+ RETURNS SETOF regclass AS
+$$
+DELETE FROM dbms_stats._relation_stats_locked
+ WHERE relid = $1
+ RETURNING relid::regclass
+$$
+LANGUAGE sql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock_table_stats(
+ schemaname text,
+ tablename text
+) RETURNS SETOF regclass AS
+$$
+DELETE FROM dbms_stats._relation_stats_locked
+ WHERE relid = dbms_stats.relname($1, $2)::regclass
+ RETURNING relid::regclass
+$$
+LANGUAGE sql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock_column_stats(
+ relid regclass,
+ attname text
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ set_attnum int2;
+BEGIN
+ SELECT a.attnum INTO set_attnum FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = $1 AND a.attname = $2;
+ IF $2 IS NOT NULL AND set_attnum IS NULL THEN
+ RAISE EXCEPTION 'column "%" not found in relation "%"', $2, $1;
+ END IF;
+
+ /* Lock the locked table stats */
+ PERFORM * from dbms_stats.relation_stats_locked r
+ WHERE r.relid = $1 FOR SHARE;
+
+ DELETE FROM dbms_stats._column_stats_locked
+ WHERE starelid = $1
+ AND staattnum = set_attnum;
+
+ RETURN QUERY
+ SELECT $1;
+END;
+$$
+LANGUAGE plpgsql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock_column_stats(
+ schemaname text,
+ tablename text,
+ attname text
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ set_attnum int2;
+BEGIN
+ SELECT a.attnum INTO set_attnum FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = dbms_stats.relname($1, $2)::regclass
+ AND a.attname = $3;
+ IF $3 IS NOT NULL AND set_attnum IS NULL THEN
+ RAISE EXCEPTION 'column "%" not found in relation "%.%"', $3, $1, $2;
+ END IF;
+
+ /* Lock the locked table stats */
+ PERFORM * from dbms_stats.relation_stats_locked r
+ WHERE relid = dbms_stats.relname($1, $2)::regclass FOR SHARE;
+
+ DELETE FROM dbms_stats._column_stats_locked
+ WHERE starelid = dbms_stats.relname($1, $2)::regclass
+ AND staattnum = set_attnum;
+
+ RETURN QUERY
+ SELECT dbms_stats.relname($1, $2)::regclass;
+END;
+$$
+LANGUAGE plpgsql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock_schema_stats(
+ schemaname text
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ unlock_id int8;
+BEGIN
+ IF NOT EXISTS(SELECT * FROM pg_namespace WHERE nspname = $1) THEN
+ RAISE EXCEPTION 'schema "%" not found', $1;
+ END IF;
+ IF dbms_stats.is_system_schema($1) THEN
+ RAISE EXCEPTION 'unlocking statistics is not allowed for system schemas: "%"', $1;
+ END IF;
+
+ FOR unlock_id IN
+ SELECT r.relid
+ FROM dbms_stats._relation_stats_locked r, pg_class c, pg_namespace n
+ WHERE relid = c.oid
+ AND c.relnamespace = n.oid
+ AND n.nspname = $1
+ ORDER BY relid
+ FOR UPDATE
+ LOOP
+ DELETE FROM dbms_stats._relation_stats_locked
+ WHERE relid = unlock_id;
+ RETURN NEXT unlock_id;
+ END LOOP;
+END;
+$$
+LANGUAGE plpgsql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock_column_stats(
+ relid regclass,
+ attname text
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ set_attnum int2;
+BEGIN
+ SELECT a.attnum INTO set_attnum FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = $1 AND a.attname = $2;
+ IF $2 IS NOT NULL AND set_attnum IS NULL THEN
+ RAISE EXCEPTION 'column "%" not found in relation "%"', $2, $1;
+ END IF;
+
+ /* Lock the locked table stats */
+ PERFORM * from dbms_stats.relation_stats_locked r
+ WHERE r.relid = $1 FOR SHARE;
+
+ DELETE FROM dbms_stats._column_stats_locked
+ WHERE starelid = $1
+ AND staattnum = set_attnum;
+
+ RETURN QUERY
+ SELECT $1;
+END;
+$$
+LANGUAGE plpgsql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock_column_stats(
+ schemaname text,
+ tablename text,
+ attname text
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ set_attnum int2;
+BEGIN
+ SELECT a.attnum INTO set_attnum FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = dbms_stats.relname($1, $2)::regclass
+ AND a.attname = $3;
+ IF $3 IS NOT NULL AND set_attnum IS NULL THEN
+ RAISE EXCEPTION 'column "%" not found in relation "%.%"', $3, $1, $2;
+ END IF;
+
+ /* Lock the locked table stats */
+ PERFORM * from dbms_stats.relation_stats_locked r
+ WHERE relid = dbms_stats.relname($1, $2)::regclass FOR SHARE;
+
+ DELETE FROM dbms_stats._column_stats_locked
+ WHERE starelid = dbms_stats.relname($1, $2)::regclass
+ AND staattnum = set_attnum;
+
+ RETURN QUERY
+ SELECT dbms_stats.relname($1, $2)::regclass;
+END;
+$$
+LANGUAGE plpgsql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.purge_stats(
+ backup_id int8,
+ force bool DEFAULT false
+) RETURNS SETOF dbms_stats.backup_history AS
+$$
+DECLARE
+ delete_id int8;
+ todelete dbms_stats.backup_history;
+BEGIN
+ IF $1 IS NULL THEN
+ RAISE EXCEPTION 'backup id required';
+ END IF;
+ IF $2 IS NULL THEN
+ RAISE EXCEPTION 'NULL is not allowed as the second parameter';
+ END IF;
+
+ IF NOT EXISTS(SELECT * FROM dbms_stats.backup_history
+ WHERE id = $1 FOR UPDATE) THEN
+ RAISE EXCEPTION 'backup id % not found', $1;
+ END IF;
+ IF NOT $2 AND NOT EXISTS(SELECT *
+ FROM dbms_stats.backup_history
+ WHERE unit = 'd'
+ AND id > $1) THEN
+ RAISE WARNING 'no database-wide backup will remain after purge'
+ USING HINT = 'Give true for second parameter to purge forcibly.';
+ RETURN;
+ END IF;
+
+ FOR todelete IN
+ SELECT * FROM dbms_stats.backup_history
+ WHERE id <= $1
+ ORDER BY id FOR UPDATE
+ LOOP
+ DELETE FROM dbms_stats.backup_history
+ WHERE id = todelete.id;
+ RETURN NEXT todelete;
+ END LOOP;
+END;
+$$
+LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION dbms_stats.clean_up_stats() RETURNS SETOF text AS
+$$
+DECLARE
+ clean_relid Oid;
+ clean_attnum int2;
+ clean_inherit bool;
+ clean_rel_col text;
+BEGIN
+ -- We don't have to check that table-level dummy statistics of the table
+ -- exists here, because the foreign key constraints defined on column-level
+ -- dummy static table ensures that.
+ FOR clean_rel_col, clean_relid, clean_attnum, clean_inherit IN
+ SELECT r.relname || ', ' || v.staattnum::text,
+ v.starelid, v.staattnum, v.stainherit
+ FROM dbms_stats._column_stats_locked v
+ JOIN dbms_stats._relation_stats_locked r ON (v.starelid = r.relid)
+ WHERE NOT EXISTS (
+ SELECT NULL
+ FROM pg_attribute a
+ WHERE a.attrelid = v.starelid
+ AND a.attnum = v.staattnum
+ AND a.attisdropped = false
+ FOR UPDATE
+ )
+ LOOP
+ DELETE FROM dbms_stats._column_stats_locked
+ WHERE starelid = clean_relid
+ AND staattnum = clean_attnum
+ AND stainherit = clean_inherit;
+ RETURN NEXT clean_rel_col;
+ END LOOP;
+
+ RETURN QUERY
+ DELETE FROM dbms_stats._relation_stats_locked r
+ WHERE NOT EXISTS (
+ SELECT NULL
+ FROM pg_class c
+ WHERE c.oid = r.relid)
+ RETURNING relname || ',';
+ RETURN;
+END
+$$
+LANGUAGE plpgsql;
--- /dev/null
+/* pg_dbms_stats/pg_dbms_stats--1.3.4--1.3.5.sql */
+
+-- complain if script is sourced in psql, rather than via CREATE EXTENSION
+\echo Use "ALTER EXTENSION pg_dbms_stats UPDATE TO '1.3.5'" to load this file. \quit
+
+/* Dropping unnecessary views and rename tables */
+ALTER EXTENSION pg_dbms_stats DROP VIEW dbms_stats.relation_stats_locked;
+DROP VIEW dbms_stats.relation_stats_locked;
+ALTER EXTENSION pg_dbms_stats DROP VIEW dbms_stats.column_stats_locked;
+DROP VIEW dbms_stats.column_stats_locked;
+
+ALTER TABLE dbms_stats._relation_stats_locked
+ RENAME TO relation_stats_locked;
+ALTER TABLE dbms_stats._column_stats_locked
+ RENAME TO column_stats_locked;
+
+ALTER INDEX dbms_stats._relation_stats_locked_pkey
+ RENAME TO relation_stats_locked_pkey;
+ALTER INDEX dbms_stats._column_stats_locked_pkey
+ RENAME TO column_stats_locked_pkey;
+-- ALTER TABLE RENAME CONSTRAINT is since 9.2
+-- ALTER TABLE dbms_stats.column_stats_locked
+-- RENAME CONSTRAINT _column_stats_locked_starelid_fkey
+-- TO column_stats_locked_starelid_fkey;
+UPDATE pg_constraint
+ SET conname = 'column_stats_locked_starelid_fkey'
+ WHERE oid =
+ (SELECT cn.oid
+ FROM pg_constraint cn
+ JOIN pg_namespace n ON (n.nspname = 'dbms_stats' AND n.oid = cn.connamespace)
+ WHERE cn.conname = '_column_stats_locked_starelid_fkey');
+
+/* Change function and view defenitions */
+CREATE OR REPLACE FUNCTION dbms_stats.merge(
+ lhs dbms_stats.column_stats_locked,
+ rhs pg_catalog.pg_statistic
+) RETURNS dbms_stats.column_stats_locked AS
+'MODULE_PATHNAME', 'dbms_stats_merge'
+LANGUAGE C STABLE;
+
+CREATE OR REPLACE VIEW dbms_stats.relation_stats_effective AS
+ SELECT
+ c.oid AS relid,
+ dbms_stats.relname(nspname, c.relname) AS relname,
+ COALESCE(v.relpages, c.relpages) AS relpages,
+ COALESCE(v.reltuples, c.reltuples) AS reltuples,
+ COALESCE(v.curpages,
+ (pg_relation_size(c.oid) / current_setting('block_size')::int4)::int4)
+ AS curpages,
+ COALESCE(v.last_analyze,
+ pg_catalog.pg_stat_get_last_analyze_time(c.oid))
+ AS last_analyze,
+ COALESCE(v.last_autoanalyze,
+ pg_catalog.pg_stat_get_last_autoanalyze_time(c.oid))
+ AS last_autoanalyze
+ FROM pg_catalog.pg_class c
+ JOIN pg_catalog.pg_namespace n
+ ON c.relnamespace = n.oid
+ LEFT JOIN dbms_stats.relation_stats_locked v
+ ON v.relid = c.oid
+ WHERE dbms_stats.is_target_relkind(c.relkind)
+ AND NOT dbms_stats.is_system_schema(nspname);
+
+CREATE OR REPLACE VIEW dbms_stats.column_stats_effective AS
+ SELECT * FROM (
+ SELECT (dbms_stats.merge(v, s)).*
+ FROM pg_catalog.pg_statistic s
+ FULL JOIN dbms_stats.column_stats_locked v
+ USING (starelid, staattnum, stainherit)
+ WHERE NOT dbms_stats.is_system_catalog(starelid)
+ AND EXISTS (
+ SELECT NULL
+ FROM pg_attribute a
+ WHERE a.attrelid = starelid
+ AND a.attnum = staattnum
+ AND a.attisdropped = false
+ )
+ ) m
+ WHERE starelid IS NOT NULL;
+
+CREATE OR REPLACE FUNCTION dbms_stats.restore(
+ backup_id int8,
+ relid regclass DEFAULT NULL,
+ attname text DEFAULT NULL
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ restore_id int8;
+ restore_relid regclass;
+ restore_attnum int2;
+ set_attnum int2;
+ restore_attname text;
+ restore_type regtype;
+ cur_type regtype;
+BEGIN
+ IF $1 IS NULL THEN
+ RAISE EXCEPTION 'backup id required';
+ END IF;
+ IF $2 IS NULL AND $3 IS NOT NULL THEN
+ RAISE EXCEPTION 'relation required';
+ END IF;
+ IF NOT EXISTS(SELECT * FROM dbms_stats.backup_history
+ WHERE id <= $1 FOR SHARE) THEN
+ RAISE EXCEPTION 'backup id % not found', $1;
+ END IF;
+ IF $2 IS NOT NULL THEN
+ IF NOT EXISTS(SELECT * FROM pg_catalog.pg_class
+ WHERE oid = $2 FOR SHARE) THEN
+ RAISE EXCEPTION 'relation "%" not found', $2;
+ END IF;
+ -- Grabbing all backups for the relation which is not used in restore.
+ IF NOT EXISTS(SELECT * FROM dbms_stats.relation_stats_backup b
+ WHERE b.id <= $1 AND b.relid = $2 FOR SHARE) THEN
+ RAISE EXCEPTION 'statistics of relation "%" not found in any backups before backup id = %', $2, $1;
+ END IF;
+ IF $3 IS NOT NULL THEN
+ SELECT a.attnum INTO set_attnum FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = $2 AND a.attname = $3;
+ IF set_attnum IS NULL THEN
+ RAISE EXCEPTION 'column "%" not found in relation %', $3, $2;
+ END IF;
+ IF NOT EXISTS(SELECT * FROM dbms_stats.column_stats_backup WHERE id <= $1 AND starelid = $2 AND staattnum = set_attnum) THEN
+ RAISE EXCEPTION 'statistics of column "%" of relation "%" are not found in any backups before',$3, $2, $1;
+ END IF;
+ END IF;
+ PERFORM * FROM dbms_stats.relation_stats_locked r
+ WHERE r.relid = $2 FOR UPDATE;
+ ELSE
+ /* Lock the whole relation stats if relation is not specified.*/
+ LOCK dbms_stats.relation_stats_locked IN EXCLUSIVE MODE;
+ END IF;
+
+ FOR restore_id, restore_relid IN
+ SELECT max(id), coid FROM
+ (SELECT b.id as id, c.oid as coid
+ FROM pg_class c, dbms_stats.relation_stats_backup b
+ WHERE (c.oid = $2 OR $2 IS NULL)
+ AND c.oid = b.relid
+ AND dbms_stats.is_target_relkind(c.relkind)
+ AND NOT dbms_stats.is_system_catalog(c.oid)
+ AND b.id <= $1
+ FOR SHARE) t
+ GROUP BY coid
+ ORDER BY coid::regclass::text
+ LOOP
+ UPDATE dbms_stats.relation_stats_locked r
+ SET relid = b.relid,
+ relname = b.relname,
+ relpages = b.relpages,
+ reltuples = b.reltuples,
+ curpages = b.curpages,
+ last_analyze = b.last_analyze,
+ last_autoanalyze = b.last_autoanalyze
+ FROM dbms_stats.relation_stats_backup b
+ WHERE r.relid = restore_relid
+ AND b.id = restore_id
+ AND b.relid = restore_relid;
+ IF NOT FOUND THEN
+ INSERT INTO dbms_stats.relation_stats_locked
+ SELECT b.relid,
+ b.relname,
+ b.relpages,
+ b.reltuples,
+ b.curpages,
+ b.last_analyze,
+ b.last_autoanalyze
+ FROM dbms_stats.relation_stats_backup b
+ WHERE b.id = restore_id
+ AND b.relid = restore_relid;
+ END IF;
+ RETURN NEXT restore_relid;
+ END LOOP;
+
+ FOR restore_id, restore_relid, restore_attnum, restore_type, cur_type IN
+ SELECT t.id, t.oid, t.attnum, b.statypid, a.atttypid
+ FROM pg_attribute a,
+ dbms_stats.column_stats_backup b,
+ (SELECT max(b.id) AS id, c.oid, a.attnum
+ FROM pg_class c, pg_attribute a, dbms_stats.column_stats_backup b
+ WHERE (c.oid = $2 OR $2 IS NULL)
+ AND c.oid = a.attrelid
+ AND c.oid = b.starelid
+ AND (a.attnum = set_attnum OR set_attnum IS NULL)
+ AND a.attnum = b.staattnum
+ AND NOT a.attisdropped
+ AND dbms_stats.is_target_relkind(c.relkind)
+ AND b.id <= $1
+ GROUP BY c.oid, a.attnum) t
+ WHERE a.attrelid = t.oid
+ AND a.attnum = t.attnum
+ AND b.id = t.id
+ AND b.starelid = t.oid
+ AND b.staattnum = t.attnum
+ LOOP
+ IF restore_type <> cur_type THEN
+ SELECT a.attname INTO restore_attname
+ FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = restore_relid
+ AND a.attnum = restore_attnum;
+ RAISE WARNING 'data type of column "%.%" is inconsistent between database(%) and backup (%). Skip.',
+ restore_relid, restore_attname, cur_type, restore_type;
+ ELSE
+ DELETE FROM dbms_stats.column_stats_locked
+ WHERE starelid = restore_relid
+ AND staattnum = restore_attnum;
+ INSERT INTO dbms_stats.column_stats_locked
+ SELECT starelid, staattnum, stainherit,
+ stanullfrac, stawidth, stadistinct,
+ stakind1, stakind2, stakind3, stakind4,
+ staop1, staop2, staop3, staop4,
+ stanumbers1, stanumbers2, stanumbers3, stanumbers4,
+ stavalues1, stavalues2, stavalues3, stavalues4
+ FROM dbms_stats.column_stats_backup
+ WHERE id = restore_id
+ AND starelid = restore_relid
+ AND staattnum = restore_attnum;
+ END IF;
+ END LOOP;
+EXCEPTION
+ WHEN unique_violation THEN
+ RAISE EXCEPTION 'This operation is canceled by simultaneous lock or restore operation on the same relation.';
+END;
+$$
+LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION dbms_stats.restore_stats(
+ backup_id int8
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ restore_relid regclass;
+ restore_attnum int2;
+ restore_attname text;
+ restore_type regtype;
+ cur_type regtype;
+BEGIN
+ IF NOT EXISTS(SELECT * FROM dbms_stats.backup_history WHERE id = $1) THEN
+ RAISE EXCEPTION 'backup id % not found', $1;
+ END IF;
+
+ /* Lock the backup */
+ PERFORM * from dbms_stats.relation_stats_backup b
+ WHERE id = $1 FOR SHARE;
+
+ /* Locking only relation_stats_locked is sufficient */
+ LOCK dbms_stats.relation_stats_locked IN EXCLUSIVE MODE;
+
+ FOR restore_relid IN
+ SELECT b.relid
+ FROM pg_class c
+ JOIN dbms_stats.relation_stats_backup b ON (c.oid = b.relid)
+ WHERE b.id = $1
+ ORDER BY c.oid::regclass::text
+ LOOP
+ UPDATE dbms_stats.relation_stats_locked r
+ SET relid = b.relid,
+ relname = b.relname,
+ relpages = b.relpages,
+ reltuples = b.reltuples,
+ curpages = b.curpages,
+ last_analyze = b.last_analyze,
+ last_autoanalyze = b.last_autoanalyze
+ FROM dbms_stats.relation_stats_backup b
+ WHERE r.relid = restore_relid
+ AND b.id = $1
+ AND b.relid = restore_relid;
+ IF NOT FOUND THEN
+ INSERT INTO dbms_stats.relation_stats_locked
+ SELECT b.relid,
+ b.relname,
+ b.relpages,
+ b.reltuples,
+ b.curpages,
+ b.last_analyze,
+ b.last_autoanalyze
+ FROM dbms_stats.relation_stats_backup b
+ WHERE b.id = $1
+ AND b.relid = restore_relid;
+ END IF;
+ RETURN NEXT restore_relid;
+ END LOOP;
+
+ FOR restore_relid, restore_attnum, restore_type, cur_type IN
+ SELECT c.oid, a.attnum, b.statypid, a.atttypid
+ FROM pg_class c
+ JOIN dbms_stats.column_stats_backup b ON (c.oid = b.starelid)
+ JOIN pg_attribute a ON (b.starelid = attrelid
+ AND b.staattnum = a.attnum)
+ WHERE b.id = $1
+ LOOP
+ IF restore_type <> cur_type THEN
+ SELECT attname INTO restore_attname
+ FROM pg_catalog.pg_attribute
+ WHERE attrelid = restore_relid
+ AND attnum = restore_attnum;
+ RAISE WARNING 'data type of column "%.%" is inconsistent between database(%) and backup (%). Skip.',
+ restore_relid, restore_attname, cur_type, restore_type;
+ ELSE
+ DELETE FROM dbms_stats.column_stats_locked
+ WHERE starelid = restore_relid
+ AND staattnum = restore_attnum;
+ INSERT INTO dbms_stats.column_stats_locked
+ SELECT starelid, staattnum, stainherit,
+ stanullfrac, stawidth, stadistinct,
+ stakind1, stakind2, stakind3, stakind4,
+ staop1, staop2, staop3, staop4,
+ stanumbers1, stanumbers2, stanumbers3, stanumbers4,
+ stavalues1, stavalues2, stavalues3, stavalues4
+ FROM dbms_stats.column_stats_backup
+ WHERE id = $1
+ AND starelid = restore_relid
+ AND staattnum = restore_attnum;
+ END IF;
+ END LOOP;
+
+END;
+$$
+LANGUAGE plpgsql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.lock(
+ relid regclass,
+ attname text
+) RETURNS regclass AS
+$$
+DECLARE
+ lock_relkind "char";
+ set_attnum int2;
+ r record;
+BEGIN
+ IF $1 IS NULL THEN
+ RAISE EXCEPTION 'relation required';
+ END IF;
+ IF $2 IS NULL THEN
+ RETURN dbms_stats.lock($1);
+ END IF;
+ SELECT relkind INTO lock_relkind FROM pg_catalog.pg_class WHERE oid = $1;
+ IF NOT FOUND THEN
+ RAISE EXCEPTION 'relation "%" not found', $1;
+ END IF;
+ IF NOT dbms_stats.is_target_relkind(lock_relkind) THEN
+ RAISE EXCEPTION '"%" must be a table or an index', $1;
+ END IF;
+ IF EXISTS(SELECT * FROM pg_catalog.pg_index WHERE lock_relkind = 'i' AND indexrelid = $1 AND indexprs IS NULL) THEN
+ RAISE EXCEPTION '"%" must be an expression index', $1;
+ END IF;
+ IF dbms_stats.is_system_catalog($1) THEN
+ RAISE EXCEPTION 'locking statistics is inhibited for system catalogs: "%"', $1;
+ END IF;
+ SELECT a.attnum INTO set_attnum FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = $1 AND a.attname = $2;
+ IF set_attnum IS NULL THEN
+ RAISE EXCEPTION 'column "%" not found in relation "%"', $2, $1;
+ END IF;
+
+ /*
+ * If we don't have per-table statistics, create new one which has NULL for
+ * every statistic value for column_stats_effective.
+ */
+ IF NOT EXISTS(SELECT * FROM dbms_stats.relation_stats_locked ru
+ WHERE ru.relid = $1 FOR SHARE) THEN
+ INSERT INTO dbms_stats.relation_stats_locked
+ SELECT $1, dbms_stats.relname(nspname, relname),
+ NULL, NULL, NULL, NULL, NULL
+ FROM pg_catalog.pg_class c, pg_catalog.pg_namespace n
+ WHERE c.relnamespace = n.oid
+ AND c.oid = $1;
+ END IF;
+
+ /*
+ * Process for per-column statistics
+ */
+ FOR r IN
+ SELECT stainherit, stanullfrac, stawidth, stadistinct,
+ stakind1, stakind2, stakind3, stakind4,
+ staop1, staop2, staop3, staop4,
+ stanumbers1, stanumbers2, stanumbers3, stanumbers4,
+ stavalues1, stavalues2, stavalues3, stavalues4
+ FROM dbms_stats.column_stats_effective
+ WHERE starelid = $1
+ AND staattnum = set_attnum
+ LOOP
+ UPDATE dbms_stats.column_stats_locked c
+ SET stanullfrac = r.stanullfrac,
+ stawidth = r.stawidth,
+ stadistinct = r.stadistinct,
+ stakind1 = r.stakind1,
+ stakind2 = r.stakind2,
+ stakind3 = r.stakind3,
+ stakind4 = r.stakind4,
+ staop1 = r.staop1,
+ staop2 = r.staop2,
+ staop3 = r.staop3,
+ staop4 = r.staop4,
+ stanumbers1 = r.stanumbers1,
+ stanumbers2 = r.stanumbers2,
+ stanumbers3 = r.stanumbers3,
+ stanumbers4 = r.stanumbers4,
+ stavalues1 = r.stavalues1,
+ stavalues2 = r.stavalues2,
+ stavalues3 = r.stavalues3,
+ stavalues4 = r.stavalues4
+ WHERE c.starelid = $1
+ AND c.staattnum = set_attnum
+ AND c.stainherit = r.stainherit;
+
+ IF NOT FOUND THEN
+ INSERT INTO dbms_stats.column_stats_locked
+ VALUES ($1,
+ set_attnum,
+ r.stainherit,
+ r.stanullfrac,
+ r.stawidth,
+ r.stadistinct,
+ r.stakind1,
+ r.stakind2,
+ r.stakind3,
+ r.stakind4,
+ r.staop1,
+ r.staop2,
+ r.staop3,
+ r.staop4,
+ r.stanumbers1,
+ r.stanumbers2,
+ r.stanumbers3,
+ r.stanumbers4,
+ r.stavalues1,
+ r.stavalues2,
+ r.stavalues3,
+ r.stavalues4);
+ END IF;
+ END LOOP;
+
+ /* If we don't have statistics at all, raise error. */
+ IF NOT FOUND THEN
+ RAISE EXCEPTION 'no statistics available for column "%" of relation "%"', $2, $1::regclass;
+ END IF;
+
+ RETURN $1;
+EXCEPTION
+ WHEN unique_violation THEN
+ RAISE EXCEPTION 'This operation is canceled by simultaneous lock or restore operation on the same relation.';
+END;
+$$
+LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION dbms_stats.lock(relid regclass)
+ RETURNS regclass AS
+$$
+DECLARE
+ lock_relkind "char";
+ i record;
+BEGIN
+ IF $1 IS NULL THEN
+ RAISE EXCEPTION 'relation required';
+ END IF;
+ SELECT relkind INTO lock_relkind FROM pg_catalog.pg_class WHERE oid = $1;
+ IF NOT FOUND THEN
+ RAISE EXCEPTION 'relation "%" not found', $1;
+ END IF;
+ IF NOT dbms_stats.is_target_relkind(lock_relkind) THEN
+ RAISE EXCEPTION 'locking statistics is not allowed for relations with relkind "%": "%"', lock_relkind, $1
+ USING HINT = 'Only tables(r) and indexes(i) are lockable.';
+ END IF;
+ IF dbms_stats.is_system_catalog($1) THEN
+ RAISE EXCEPTION 'locking statistics is not allowed for system catalogs: "%"', $1;
+ END IF;
+
+ UPDATE dbms_stats.relation_stats_locked r
+ SET relname = dbms_stats.relname(nspname, c.relname),
+ relpages = v.relpages,
+ reltuples = v.reltuples,
+ curpages = v.curpages,
+ last_analyze = v.last_analyze,
+ last_autoanalyze = v.last_autoanalyze
+ FROM pg_catalog.pg_class c,
+ pg_catalog.pg_namespace n,
+ dbms_stats.relation_stats_effective v
+ WHERE r.relid = $1
+ AND c.oid = $1
+ AND c.relnamespace = n.oid
+ AND v.relid = $1;
+ IF NOT FOUND THEN
+ INSERT INTO dbms_stats.relation_stats_locked
+ SELECT $1, dbms_stats.relname(nspname, c.relname),
+ v.relpages, v.reltuples, v.curpages,
+ v.last_analyze, v.last_autoanalyze
+ FROM pg_catalog.pg_class c,
+ pg_catalog.pg_namespace n,
+ dbms_stats.relation_stats_effective v
+ WHERE c.oid = $1
+ AND c.relnamespace = n.oid
+ AND v.relid = $1;
+ END IF;
+
+ IF EXISTS(SELECT *
+ FROM pg_catalog.pg_class c LEFT JOIN pg_catalog.pg_index ind
+ ON c.oid = ind.indexrelid
+ WHERE c.oid = $1
+ AND c.relkind = 'i'
+ AND ind.indexprs IS NULL) THEN
+ RETURN $1;
+ END IF;
+
+ FOR i IN
+ SELECT staattnum, stainherit, stanullfrac,
+ stawidth, stadistinct,
+ stakind1, stakind2, stakind3, stakind4,
+ staop1, staop2, staop3, staop4,
+ stanumbers1, stanumbers2, stanumbers3, stanumbers4,
+ stavalues1, stavalues2, stavalues3, stavalues4
+ FROM dbms_stats.column_stats_effective
+ WHERE starelid = $1
+ LOOP
+ UPDATE dbms_stats.column_stats_locked c
+ SET stanullfrac = i.stanullfrac,
+ stawidth = i.stawidth,
+ stadistinct = i.stadistinct,
+ stakind1 = i.stakind1,
+ stakind2 = i.stakind2,
+ stakind3 = i.stakind3,
+ stakind4 = i.stakind4,
+ staop1 = i.staop1,
+ staop2 = i.staop2,
+ staop3 = i.staop3,
+ staop4 = i.staop4,
+ stanumbers1 = i.stanumbers1,
+ stanumbers2 = i.stanumbers2,
+ stanumbers3 = i.stanumbers3,
+ stanumbers4 = i.stanumbers4,
+ stavalues1 = i.stavalues1,
+ stavalues2 = i.stavalues2,
+ stavalues3 = i.stavalues3,
+ stavalues4 = i.stavalues4
+ WHERE c.starelid = $1
+ AND c.staattnum = i.staattnum
+ AND c.stainherit = i.stainherit;
+
+ IF NOT FOUND THEN
+ INSERT INTO dbms_stats.column_stats_locked
+ VALUES ($1,
+ i.staattnum,
+ i.stainherit,
+ i.stanullfrac,
+ i.stawidth,
+ i.stadistinct,
+ i.stakind1,
+ i.stakind2,
+ i.stakind3,
+ i.stakind4,
+ i.staop1,
+ i.staop2,
+ i.staop3,
+ i.staop4,
+ i.stanumbers1,
+ i.stanumbers2,
+ i.stanumbers3,
+ i.stanumbers4,
+ i.stavalues1,
+ i.stavalues2,
+ i.stavalues3,
+ i.stavalues4);
+ END IF;
+ END LOOP;
+
+ RETURN $1;
+EXCEPTION
+ WHEN unique_violation THEN
+ RAISE EXCEPTION 'This operation is canceled by simultaneous lock operation on the same relation.';
+END;
+$$
+LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock(
+ relid regclass DEFAULT NULL,
+ attname text DEFAULT NULL
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ set_attnum int2;
+ unlock_id int8;
+BEGIN
+ IF $1 IS NULL AND $2 IS NOT NULL THEN
+ RAISE EXCEPTION 'relation required';
+ END IF;
+
+ /*
+ * Lock the target relation to prevent conflicting with stats lock/restore
+ */
+ PERFORM * FROM dbms_stats.relation_stats_locked ru
+ WHERE (ru.relid = $1 OR $1 IS NULL) FOR UPDATE;
+
+ SELECT a.attnum INTO set_attnum FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = $1 AND a.attname = $2;
+ IF $2 IS NOT NULL AND set_attnum IS NULL THEN
+ RAISE EXCEPTION 'column "%" not found in relation "%"', $2, $1;
+ END IF;
+
+ DELETE FROM dbms_stats.column_stats_locked
+ WHERE (starelid = $1 OR $1 IS NULL)
+ AND (staattnum = set_attnum OR $2 IS NULL);
+
+ IF $1 IS NOT NULL AND $2 IS NOT NULL THEN
+ RETURN QUERY
+ SELECT $1;
+ END IF;
+ FOR unlock_id IN
+ SELECT ru.relid
+ FROM dbms_stats.relation_stats_locked ru
+ WHERE (ru.relid = $1 OR $1 IS NULL) AND ($2 IS NULL)
+ ORDER BY ru.relid
+ LOOP
+ DELETE FROM dbms_stats.relation_stats_locked ru
+ WHERE ru.relid = unlock_id;
+ RETURN NEXT unlock_id;
+ END LOOP;
+END;
+$$
+LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock_database_stats()
+ RETURNS SETOF regclass AS
+$$
+DECLARE
+ unlock_id int8;
+BEGIN
+ LOCK dbms_stats.relation_stats_locked IN EXCLUSIVE MODE;
+
+ FOR unlock_id IN
+ SELECT relid
+ FROM dbms_stats.relation_stats_locked
+ ORDER BY relid
+ LOOP
+ DELETE FROM dbms_stats.relation_stats_locked
+ WHERE relid = unlock_id;
+ RETURN NEXT unlock_id;
+ END LOOP;
+END;
+$$
+LANGUAGE plpgsql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock_schema_stats(
+ schemaname text
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ unlock_id int8;
+BEGIN
+ IF NOT EXISTS(SELECT * FROM pg_namespace WHERE nspname = $1) THEN
+ RAISE EXCEPTION 'schema "%" not found', $1;
+ END IF;
+ IF dbms_stats.is_system_schema($1) THEN
+ RAISE EXCEPTION 'unlocking statistics is not allowed for system schemas: "%"', $1;
+ END IF;
+
+ FOR unlock_id IN
+ SELECT r.relid
+ FROM dbms_stats.relation_stats_locked r, pg_class c, pg_namespace n
+ WHERE relid = c.oid
+ AND c.relnamespace = n.oid
+ AND n.nspname = $1
+ ORDER BY relid
+ FOR UPDATE
+ LOOP
+ DELETE FROM dbms_stats.relation_stats_locked
+ WHERE relid = unlock_id;
+ RETURN NEXT unlock_id;
+ END LOOP;
+END;
+$$
+LANGUAGE plpgsql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock_table_stats(relid regclass)
+ RETURNS SETOF regclass AS
+$$
+DELETE FROM dbms_stats.relation_stats_locked
+ WHERE relid = $1
+ RETURNING relid::regclass
+$$
+LANGUAGE sql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock_table_stats(
+ schemaname text,
+ tablename text
+) RETURNS SETOF regclass AS
+$$
+DELETE FROM dbms_stats.relation_stats_locked
+ WHERE relid = dbms_stats.relname($1, $2)::regclass
+ RETURNING relid::regclass
+$$
+LANGUAGE sql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock_column_stats(
+ relid regclass,
+ attname text
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ set_attnum int2;
+BEGIN
+ SELECT a.attnum INTO set_attnum FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = $1 AND a.attname = $2;
+ IF $2 IS NOT NULL AND set_attnum IS NULL THEN
+ RAISE EXCEPTION 'column "%" not found in relation "%"', $2, $1;
+ END IF;
+
+ /* Lock the locked table stats */
+ PERFORM * from dbms_stats.relation_stats_locked r
+ WHERE r.relid = $1 FOR SHARE;
+
+ DELETE FROM dbms_stats.column_stats_locked
+ WHERE starelid = $1
+ AND staattnum = set_attnum;
+
+ RETURN QUERY
+ SELECT $1;
+END;
+$$
+LANGUAGE plpgsql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock_column_stats(
+ schemaname text,
+ tablename text,
+ attname text
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ set_attnum int2;
+BEGIN
+ SELECT a.attnum INTO set_attnum FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = dbms_stats.relname($1, $2)::regclass
+ AND a.attname = $3;
+ IF $3 IS NOT NULL AND set_attnum IS NULL THEN
+ RAISE EXCEPTION 'column "%" not found in relation "%.%"', $3, $1, $2;
+ END IF;
+
+ /* Lock the locked table stats */
+ PERFORM * from dbms_stats.relation_stats_locked r
+ WHERE relid = dbms_stats.relname($1, $2)::regclass FOR SHARE;
+
+ DELETE FROM dbms_stats.column_stats_locked
+ WHERE starelid = dbms_stats.relname($1, $2)::regclass
+ AND staattnum = set_attnum;
+
+ RETURN QUERY
+ SELECT dbms_stats.relname($1, $2)::regclass;
+END;
+$$
+LANGUAGE plpgsql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.clean_up_stats() RETURNS SETOF text AS
+$$
+DECLARE
+ clean_relid Oid;
+ clean_attnum int2;
+ clean_inherit bool;
+ clean_rel_col text;
+BEGIN
+ -- We don't have to check that table-level dummy statistics of the table
+ -- exists here, because the foreign key constraints defined on column-level
+ -- dummy static table ensures that.
+ FOR clean_rel_col, clean_relid, clean_attnum, clean_inherit IN
+ SELECT r.relname || ', ' || v.staattnum::text,
+ v.starelid, v.staattnum, v.stainherit
+ FROM dbms_stats.column_stats_locked v
+ JOIN dbms_stats.relation_stats_locked r ON (v.starelid = r.relid)
+ WHERE NOT EXISTS (
+ SELECT NULL
+ FROM pg_attribute a
+ WHERE a.attrelid = v.starelid
+ AND a.attnum = v.staattnum
+ AND a.attisdropped = false
+ FOR UPDATE
+ )
+ LOOP
+ DELETE FROM dbms_stats.column_stats_locked
+ WHERE starelid = clean_relid
+ AND staattnum = clean_attnum
+ AND stainherit = clean_inherit;
+ RETURN NEXT clean_rel_col;
+ END LOOP;
+
+ RETURN QUERY
+ DELETE FROM dbms_stats.relation_stats_locked r
+ WHERE NOT EXISTS (
+ SELECT NULL
+ FROM pg_class c
+ WHERE c.oid = r.relid)
+ RETURNING relname || ',';
+ RETURN;
+END
+$$
+LANGUAGE plpgsql;
--- /dev/null
+/* pg_dbms_stats/pg_dbms_stats--1.3.4--1.3.5.sql */
+
+-- complain if script is sourced in psql, rather than via CREATE EXTENSION
+\echo Use "ALTER EXTENSION pg_dbms_stats UPDATE TO '1.3.5'" to load this file. \quit
+
+/* Dropping unnecessary views and rename tables */
+ALTER EXTENSION pg_dbms_stats DROP VIEW dbms_stats.relation_stats_locked;
+DROP VIEW dbms_stats.relation_stats_locked;
+ALTER EXTENSION pg_dbms_stats DROP VIEW dbms_stats.column_stats_locked;
+DROP VIEW dbms_stats.column_stats_locked;
+
+ALTER TABLE dbms_stats._relation_stats_locked
+ RENAME TO relation_stats_locked;
+ALTER TABLE dbms_stats._column_stats_locked
+ RENAME TO column_stats_locked;
+ALTER INDEX dbms_stats._relation_stats_locked_pkey
+ RENAME TO relation_stats_locked_pkey;
+ALTER INDEX dbms_stats._column_stats_locked_pkey
+ RENAME TO column_stats_locked_pkey;
+ALTER TABLE dbms_stats.column_stats_locked
+ RENAME CONSTRAINT _column_stats_locked_starelid_fkey
+ TO column_stats_locked_starelid_fkey;
+
+/* Change function and view defenitions */
+CREATE OR REPLACE FUNCTION dbms_stats.merge(
+ lhs dbms_stats.column_stats_locked,
+ rhs pg_catalog.pg_statistic
+) RETURNS dbms_stats.column_stats_locked AS
+'MODULE_PATHNAME', 'dbms_stats_merge'
+LANGUAGE C STABLE;
+
+CREATE OR REPLACE VIEW dbms_stats.relation_stats_effective AS
+ SELECT
+ c.oid AS relid,
+ dbms_stats.relname(nspname, c.relname) AS relname,
+ COALESCE(v.relpages, c.relpages) AS relpages,
+ COALESCE(v.reltuples, c.reltuples) AS reltuples,
+ COALESCE(v.relallvisible, c.relallvisible) AS relallvisible,
+ COALESCE(v.curpages,
+ (pg_relation_size(c.oid) / current_setting('block_size')::int4)::int4)
+ AS curpages,
+ COALESCE(v.last_analyze,
+ pg_catalog.pg_stat_get_last_analyze_time(c.oid))
+ AS last_analyze,
+ COALESCE(v.last_autoanalyze,
+ pg_catalog.pg_stat_get_last_autoanalyze_time(c.oid))
+ AS last_autoanalyze
+ FROM pg_catalog.pg_class c
+ JOIN pg_catalog.pg_namespace n
+ ON c.relnamespace = n.oid
+ LEFT JOIN dbms_stats.relation_stats_locked v
+ ON v.relid = c.oid
+ WHERE dbms_stats.is_target_relkind(c.relkind)
+ AND NOT dbms_stats.is_system_schema(nspname);
+
+CREATE OR REPLACE VIEW dbms_stats.column_stats_effective AS
+ SELECT * FROM (
+ SELECT (dbms_stats.merge(v, s)).*
+ FROM pg_catalog.pg_statistic s
+ FULL JOIN dbms_stats.column_stats_locked v
+ USING (starelid, staattnum, stainherit)
+ WHERE NOT dbms_stats.is_system_catalog(starelid)
+ AND EXISTS (
+ SELECT NULL
+ FROM pg_attribute a
+ WHERE a.attrelid = starelid
+ AND a.attnum = staattnum
+ AND a.attisdropped = false
+ )
+ ) m
+ WHERE starelid IS NOT NULL;
+
+CREATE OR REPLACE FUNCTION dbms_stats.restore(
+ backup_id int8,
+ relid regclass DEFAULT NULL,
+ attname text DEFAULT NULL
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ restore_id int8;
+ restore_relid regclass;
+ restore_attnum int2;
+ set_attnum int2;
+ restore_attname text;
+ restore_type regtype;
+ cur_type regtype;
+BEGIN
+ IF $1 IS NULL THEN
+ RAISE EXCEPTION 'backup id required';
+ END IF;
+ IF $2 IS NULL AND $3 IS NOT NULL THEN
+ RAISE EXCEPTION 'relation required';
+ END IF;
+ IF NOT EXISTS(SELECT * FROM dbms_stats.backup_history
+ WHERE id <= $1 FOR SHARE) THEN
+ RAISE EXCEPTION 'backup id % not found', $1;
+ END IF;
+ IF $2 IS NOT NULL THEN
+ IF NOT EXISTS(SELECT * FROM pg_catalog.pg_class
+ WHERE oid = $2 FOR SHARE) THEN
+ RAISE EXCEPTION 'relation "%" not found', $2;
+ END IF;
+ -- Grabbing all backups for the relation which is not used in restore.
+ IF NOT EXISTS(SELECT * FROM dbms_stats.relation_stats_backup b
+ WHERE b.id <= $1 AND b.relid = $2 FOR SHARE) THEN
+ RAISE EXCEPTION 'statistics of relation "%" not found in any backups before backup id = %', $2, $1;
+ END IF;
+ IF $3 IS NOT NULL THEN
+ SELECT a.attnum INTO set_attnum FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = $2 AND a.attname = $3;
+ IF set_attnum IS NULL THEN
+ RAISE EXCEPTION 'column "%" not found in relation %', $3, $2;
+ END IF;
+ IF NOT EXISTS(SELECT * FROM dbms_stats.column_stats_backup WHERE id <= $1 AND starelid = $2 AND staattnum = set_attnum) THEN
+ RAISE EXCEPTION 'statistics of column "%" of relation "%" are not found in any backups before',$3, $2, $1;
+ END IF;
+ END IF;
+ PERFORM * FROM dbms_stats.relation_stats_locked r
+ WHERE r.relid = $2 FOR UPDATE;
+ ELSE
+ /* Lock the whole relation stats if relation is not specified.*/
+ LOCK dbms_stats.relation_stats_locked IN EXCLUSIVE MODE;
+ END IF;
+
+ FOR restore_id, restore_relid IN
+ SELECT max(id), coid FROM
+ (SELECT b.id as id, c.oid as coid
+ FROM pg_class c, dbms_stats.relation_stats_backup b
+ WHERE (c.oid = $2 OR $2 IS NULL)
+ AND c.oid = b.relid
+ AND dbms_stats.is_target_relkind(c.relkind)
+ AND NOT dbms_stats.is_system_catalog(c.oid)
+ AND b.id <= $1
+ FOR SHARE) t
+ GROUP BY coid
+ ORDER BY coid::regclass::text
+ LOOP
+ UPDATE dbms_stats.relation_stats_locked r
+ SET relid = b.relid,
+ relname = b.relname,
+ relpages = b.relpages,
+ reltuples = b.reltuples,
+ relallvisible = b.relallvisible,
+ curpages = b.curpages,
+ last_analyze = b.last_analyze,
+ last_autoanalyze = b.last_autoanalyze
+ FROM dbms_stats.relation_stats_backup b
+ WHERE r.relid = restore_relid
+ AND b.id = restore_id
+ AND b.relid = restore_relid;
+ IF NOT FOUND THEN
+ INSERT INTO dbms_stats.relation_stats_locked
+ SELECT b.relid,
+ b.relname,
+ b.relpages,
+ b.reltuples,
+ b.relallvisible,
+ b.curpages,
+ b.last_analyze,
+ b.last_autoanalyze
+ FROM dbms_stats.relation_stats_backup b
+ WHERE b.id = restore_id
+ AND b.relid = restore_relid;
+ END IF;
+ RETURN NEXT restore_relid;
+ END LOOP;
+
+ FOR restore_id, restore_relid, restore_attnum, restore_type, cur_type IN
+ SELECT t.id, t.oid, t.attnum, b.statypid, a.atttypid
+ FROM pg_attribute a,
+ dbms_stats.column_stats_backup b,
+ (SELECT max(b.id) AS id, c.oid, a.attnum
+ FROM pg_class c, pg_attribute a, dbms_stats.column_stats_backup b
+ WHERE (c.oid = $2 OR $2 IS NULL)
+ AND c.oid = a.attrelid
+ AND c.oid = b.starelid
+ AND (a.attnum = set_attnum OR set_attnum IS NULL)
+ AND a.attnum = b.staattnum
+ AND NOT a.attisdropped
+ AND dbms_stats.is_target_relkind(c.relkind)
+ AND b.id <= $1
+ GROUP BY c.oid, a.attnum) t
+ WHERE a.attrelid = t.oid
+ AND a.attnum = t.attnum
+ AND b.id = t.id
+ AND b.starelid = t.oid
+ AND b.staattnum = t.attnum
+ LOOP
+ IF restore_type <> cur_type THEN
+ SELECT a.attname INTO restore_attname
+ FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = restore_relid
+ AND a.attnum = restore_attnum;
+ RAISE WARNING 'data type of column "%.%" is inconsistent between database(%) and backup (%). Skip.',
+ restore_relid, restore_attname, cur_type, restore_type;
+ ELSE
+ DELETE FROM dbms_stats.column_stats_locked
+ WHERE starelid = restore_relid
+ AND staattnum = restore_attnum;
+ INSERT INTO dbms_stats.column_stats_locked
+ SELECT starelid, staattnum, stainherit,
+ stanullfrac, stawidth, stadistinct,
+ stakind1, stakind2, stakind3, stakind4, stakind5,
+ staop1, staop2, staop3, staop4, staop5,
+ stanumbers1, stanumbers2, stanumbers3, stanumbers4, stanumbers5,
+ stavalues1, stavalues2, stavalues3, stavalues4, stavalues5
+ FROM dbms_stats.column_stats_backup
+ WHERE id = restore_id
+ AND starelid = restore_relid
+ AND staattnum = restore_attnum;
+ END IF;
+ END LOOP;
+EXCEPTION
+ WHEN unique_violation THEN
+ RAISE EXCEPTION 'This operation is canceled by simultaneous lock or restore operation on the same relation.';
+END;
+$$
+LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION dbms_stats.lock(relid regclass)
+ RETURNS regclass AS
+$$
+DECLARE
+ lock_relkind "char";
+ i record;
+BEGIN
+ IF $1 IS NULL THEN
+ RAISE EXCEPTION 'relation required';
+ END IF;
+ SELECT relkind INTO lock_relkind FROM pg_catalog.pg_class WHERE oid = $1;
+ IF NOT FOUND THEN
+ RAISE EXCEPTION 'relation "%" not found', $1;
+ END IF;
+ IF NOT dbms_stats.is_target_relkind(lock_relkind) THEN
+ RAISE EXCEPTION 'locking statistics is not allowed for relations with relkind "%": "%"', lock_relkind, $1
+ USING HINT = 'Only tables(r, f) and indexes(i) are lockable.';
+ END IF;
+ IF dbms_stats.is_system_catalog($1) THEN
+ RAISE EXCEPTION 'locking statistics is not allowed for system catalogs: "%"', $1;
+ END IF;
+
+ UPDATE dbms_stats.relation_stats_locked r
+ SET relname = dbms_stats.relname(nspname, c.relname),
+ relpages = v.relpages,
+ reltuples = v.reltuples,
+ relallvisible = v.relallvisible,
+ curpages = v.curpages,
+ last_analyze = v.last_analyze,
+ last_autoanalyze = v.last_autoanalyze
+ FROM pg_catalog.pg_class c,
+ pg_catalog.pg_namespace n,
+ dbms_stats.relation_stats_effective v
+ WHERE r.relid = $1
+ AND c.oid = $1
+ AND c.relnamespace = n.oid
+ AND v.relid = $1;
+ IF NOT FOUND THEN
+ INSERT INTO dbms_stats.relation_stats_locked
+ SELECT $1, dbms_stats.relname(nspname, c.relname),
+ v.relpages, v.reltuples, v.relallvisible, v.curpages,
+ v.last_analyze, v.last_autoanalyze
+ FROM pg_catalog.pg_class c,
+ pg_catalog.pg_namespace n,
+ dbms_stats.relation_stats_effective v
+ WHERE c.oid = $1
+ AND c.relnamespace = n.oid
+ AND v.relid = $1;
+ END IF;
+
+ IF EXISTS(SELECT *
+ FROM pg_catalog.pg_class c LEFT JOIN pg_catalog.pg_index ind
+ ON c.oid = ind.indexrelid
+ WHERE c.oid = $1
+ AND c.relkind = 'i'
+ AND ind.indexprs IS NULL) THEN
+ RETURN $1;
+ END IF;
+
+ FOR i IN
+ SELECT staattnum, stainherit, stanullfrac,
+ stawidth, stadistinct,
+ stakind1, stakind2, stakind3, stakind4, stakind5,
+ staop1, staop2, staop3, staop4, staop5,
+ stanumbers1, stanumbers2, stanumbers3, stanumbers4, stanumbers5,
+ stavalues1, stavalues2, stavalues3, stavalues4, stavalues5
+ FROM dbms_stats.column_stats_effective
+ WHERE starelid = $1
+ LOOP
+ UPDATE dbms_stats.column_stats_locked c
+ SET stanullfrac = i.stanullfrac,
+ stawidth = i.stawidth,
+ stadistinct = i.stadistinct,
+ stakind1 = i.stakind1,
+ stakind2 = i.stakind2,
+ stakind3 = i.stakind3,
+ stakind4 = i.stakind4,
+ stakind5 = i.stakind5,
+ staop1 = i.staop1,
+ staop2 = i.staop2,
+ staop3 = i.staop3,
+ staop4 = i.staop4,
+ staop5 = i.staop5,
+ stanumbers1 = i.stanumbers1,
+ stanumbers2 = i.stanumbers2,
+ stanumbers3 = i.stanumbers3,
+ stanumbers4 = i.stanumbers4,
+ stanumbers5 = i.stanumbers5,
+ stavalues1 = i.stavalues1,
+ stavalues2 = i.stavalues2,
+ stavalues3 = i.stavalues3,
+ stavalues4 = i.stavalues4,
+ stavalues5 = i.stavalues5
+ WHERE c.starelid = $1
+ AND c.staattnum = i.staattnum
+ AND c.stainherit = i.stainherit;
+
+ IF NOT FOUND THEN
+ INSERT INTO dbms_stats.column_stats_locked
+ VALUES ($1,
+ i.staattnum,
+ i.stainherit,
+ i.stanullfrac,
+ i.stawidth,
+ i.stadistinct,
+ i.stakind1,
+ i.stakind2,
+ i.stakind3,
+ i.stakind4,
+ i.stakind5,
+ i.staop1,
+ i.staop2,
+ i.staop3,
+ i.staop4,
+ i.staop5,
+ i.stanumbers1,
+ i.stanumbers2,
+ i.stanumbers3,
+ i.stanumbers4,
+ i.stanumbers5,
+ i.stavalues1,
+ i.stavalues2,
+ i.stavalues3,
+ i.stavalues4,
+ i.stavalues5);
+ END IF;
+ END LOOP;
+
+ RETURN $1;
+EXCEPTION
+ WHEN unique_violation THEN
+ RAISE EXCEPTION 'This operation is canceled by simultaneous lock operation on the same relation.';
+END;
+$$
+LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock(
+ relid regclass DEFAULT NULL,
+ attname text DEFAULT NULL
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ set_attnum int2;
+ unlock_id int8;
+BEGIN
+ IF $1 IS NULL AND $2 IS NOT NULL THEN
+ RAISE EXCEPTION 'relation required';
+ END IF;
+
+ /*
+ * Lock the target relation to prevent conflicting with stats lock/restore
+ */
+ PERFORM * FROM dbms_stats.relation_stats_locked ru
+ WHERE (ru.relid = $1 OR $1 IS NULL) FOR UPDATE;
+
+ SELECT a.attnum INTO set_attnum FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = $1 AND a.attname = $2;
+ IF $2 IS NOT NULL AND set_attnum IS NULL THEN
+ RAISE EXCEPTION 'column "%" not found in relation "%"', $2, $1;
+ END IF;
+
+ DELETE FROM dbms_stats.column_stats_locked
+ WHERE (starelid = $1 OR $1 IS NULL)
+ AND (staattnum = set_attnum OR $2 IS NULL);
+
+ IF $1 IS NOT NULL AND $2 IS NOT NULL THEN
+ RETURN QUERY
+ SELECT $1;
+ END IF;
+ FOR unlock_id IN
+ SELECT ru.relid
+ FROM dbms_stats.relation_stats_locked ru
+ WHERE (ru.relid = $1 OR $1 IS NULL) AND ($2 IS NULL)
+ ORDER BY ru.relid
+ LOOP
+ DELETE FROM dbms_stats.relation_stats_locked ru
+ WHERE ru.relid = unlock_id;
+ RETURN NEXT unlock_id;
+ END LOOP;
+END;
+$$
+LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock_database_stats()
+ RETURNS SETOF regclass AS
+$$
+DECLARE
+ unlock_id int8;
+BEGIN
+ LOCK dbms_stats.relation_stats_locked IN EXCLUSIVE MODE;
+
+ FOR unlock_id IN
+ SELECT relid
+ FROM dbms_stats.relation_stats_locked
+ ORDER BY relid
+ LOOP
+ DELETE FROM dbms_stats.relation_stats_locked
+ WHERE relid = unlock_id;
+ RETURN NEXT unlock_id;
+ END LOOP;
+END;
+$$
+LANGUAGE plpgsql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock_schema_stats(
+ schemaname text
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ unlock_id int8;
+BEGIN
+ IF NOT EXISTS(SELECT * FROM pg_namespace WHERE nspname = $1) THEN
+ RAISE EXCEPTION 'schema "%" not found', $1;
+ END IF;
+ IF dbms_stats.is_system_schema($1) THEN
+ RAISE EXCEPTION 'unlocking statistics is not allowed for system schemas: "%"', $1;
+ END IF;
+
+ FOR unlock_id IN
+ SELECT r.relid
+ FROM dbms_stats.relation_stats_locked r, pg_class c, pg_namespace n
+ WHERE relid = c.oid
+ AND c.relnamespace = n.oid
+ AND n.nspname = $1
+ ORDER BY relid
+ FOR UPDATE
+ LOOP
+ DELETE FROM dbms_stats.relation_stats_locked
+ WHERE relid = unlock_id;
+ RETURN NEXT unlock_id;
+ END LOOP;
+END;
+$$
+LANGUAGE plpgsql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock_table_stats(relid regclass)
+ RETURNS SETOF regclass AS
+$$
+DELETE FROM dbms_stats.relation_stats_locked
+ WHERE relid = $1
+ RETURNING relid::regclass
+$$
+LANGUAGE sql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock_table_stats(
+ schemaname text,
+ tablename text
+) RETURNS SETOF regclass AS
+$$
+DELETE FROM dbms_stats.relation_stats_locked
+ WHERE relid = dbms_stats.relname($1, $2)::regclass
+ RETURNING relid::regclass
+$$
+LANGUAGE sql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock_column_stats(
+ relid regclass,
+ attname text
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ set_attnum int2;
+BEGIN
+ SELECT a.attnum INTO set_attnum FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = $1 AND a.attname = $2;
+ IF $2 IS NOT NULL AND set_attnum IS NULL THEN
+ RAISE EXCEPTION 'column "%" not found in relation "%"', $2, $1;
+ END IF;
+
+ /* Lock the locked table stats */
+ PERFORM * from dbms_stats.relation_stats_locked r
+ WHERE r.relid = $1 FOR SHARE;
+
+ DELETE FROM dbms_stats.column_stats_locked
+ WHERE starelid = $1
+ AND staattnum = set_attnum;
+
+ RETURN QUERY
+ SELECT $1;
+END;
+$$
+LANGUAGE plpgsql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock_column_stats(
+ schemaname text,
+ tablename text,
+ attname text
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ set_attnum int2;
+BEGIN
+ SELECT a.attnum INTO set_attnum FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = dbms_stats.relname($1, $2)::regclass
+ AND a.attname = $3;
+ IF $3 IS NOT NULL AND set_attnum IS NULL THEN
+ RAISE EXCEPTION 'column "%" not found in relation "%.%"', $3, $1, $2;
+ END IF;
+
+ /* Lock the locked table stats */
+ PERFORM * from dbms_stats.relation_stats_locked r
+ WHERE relid = dbms_stats.relname($1, $2)::regclass FOR SHARE;
+
+ DELETE FROM dbms_stats.column_stats_locked
+ WHERE starelid = dbms_stats.relname($1, $2)::regclass
+ AND staattnum = set_attnum;
+
+ RETURN QUERY
+ SELECT dbms_stats.relname($1, $2)::regclass;
+END;
+$$
+LANGUAGE plpgsql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.clean_up_stats() RETURNS SETOF text AS
+$$
+DECLARE
+ clean_relid Oid;
+ clean_attnum int2;
+ clean_inherit bool;
+ clean_rel_col text;
+BEGIN
+ -- We don't have to check that table-level dummy statistics of the table
+ -- exists here, because the foreign key constraints defined on column-level
+ -- dummy static table ensures that.
+ FOR clean_rel_col, clean_relid, clean_attnum, clean_inherit IN
+ SELECT r.relname || ', ' || v.staattnum::text,
+ v.starelid, v.staattnum, v.stainherit
+ FROM dbms_stats.column_stats_locked v
+ JOIN dbms_stats.relation_stats_locked r ON (v.starelid = r.relid)
+ WHERE NOT EXISTS (
+ SELECT NULL
+ FROM pg_attribute a
+ WHERE a.attrelid = v.starelid
+ AND a.attnum = v.staattnum
+ AND a.attisdropped = false
+ FOR UPDATE
+ )
+ LOOP
+ DELETE FROM dbms_stats.column_stats_locked
+ WHERE starelid = clean_relid
+ AND staattnum = clean_attnum
+ AND stainherit = clean_inherit;
+ RETURN NEXT clean_rel_col;
+ END LOOP;
+
+ RETURN QUERY
+ DELETE FROM dbms_stats.relation_stats_locked r
+ WHERE NOT EXISTS (
+ SELECT NULL
+ FROM pg_class c
+ WHERE c.oid = r.relid)
+ RETURNING relname || ',';
+ RETURN;
+END
+$$
+LANGUAGE plpgsql;
--- /dev/null
+/* pg_dbms_stats/pg_dbms_stats--1.3.4--1.3.5.sql */
+
+-- complain if script is sourced in psql, rather than via CREATE EXTENSION
+\echo Use "ALTER EXTENSION pg_dbms_stats UPDATE TO '1.3.5'" to load this file. \quit
+
+/* Dropping unnecessary views and rename tables */
+ALTER EXTENSION pg_dbms_stats DROP VIEW dbms_stats.relation_stats_locked;
+DROP VIEW dbms_stats.relation_stats_locked;
+ALTER EXTENSION pg_dbms_stats DROP VIEW dbms_stats.column_stats_locked;
+DROP VIEW dbms_stats.column_stats_locked;
+
+ALTER TABLE dbms_stats._relation_stats_locked
+ RENAME TO relation_stats_locked;
+ALTER TABLE dbms_stats._column_stats_locked
+ RENAME TO column_stats_locked;
+ALTER INDEX dbms_stats._relation_stats_locked_pkey
+ RENAME TO relation_stats_locked_pkey;
+ALTER INDEX dbms_stats._column_stats_locked_pkey
+ RENAME TO column_stats_locked_pkey;
+ALTER TABLE dbms_stats.column_stats_locked
+ RENAME CONSTRAINT _column_stats_locked_starelid_fkey
+ TO column_stats_locked_starelid_fkey;
+
+/* Change function defenitions */
+
+CREATE OR REPLACE FUNCTION dbms_stats.merge(
+ lhs dbms_stats.column_stats_locked,
+ rhs pg_catalog.pg_statistic
+) RETURNS dbms_stats.column_stats_locked AS
+'MODULE_PATHNAME', 'dbms_stats_merge'
+LANGUAGE C STABLE;
+
+CREATE OR REPLACE VIEW dbms_stats.relation_stats_effective AS
+ SELECT
+ c.oid AS relid,
+ dbms_stats.relname(nspname, c.relname) AS relname,
+ COALESCE(v.relpages, c.relpages) AS relpages,
+ COALESCE(v.reltuples, c.reltuples) AS reltuples,
+ COALESCE(v.relallvisible, c.relallvisible) AS relallvisible,
+ COALESCE(v.curpages,
+ (pg_relation_size(c.oid) / current_setting('block_size')::int4)::int4)
+ AS curpages,
+ COALESCE(v.last_analyze,
+ pg_catalog.pg_stat_get_last_analyze_time(c.oid))
+ AS last_analyze,
+ COALESCE(v.last_autoanalyze,
+ pg_catalog.pg_stat_get_last_autoanalyze_time(c.oid))
+ AS last_autoanalyze
+ FROM pg_catalog.pg_class c
+ JOIN pg_catalog.pg_namespace n
+ ON c.relnamespace = n.oid
+ LEFT JOIN dbms_stats.relation_stats_locked v
+ ON v.relid = c.oid
+ WHERE dbms_stats.is_target_relkind(c.relkind)
+ AND NOT dbms_stats.is_system_schema(nspname);
+
+CREATE OR REPLACE VIEW dbms_stats.column_stats_effective AS
+ SELECT * FROM (
+ SELECT (dbms_stats.merge(v, s)).*
+ FROM pg_catalog.pg_statistic s
+ FULL JOIN dbms_stats.column_stats_locked v
+ USING (starelid, staattnum, stainherit)
+ WHERE NOT dbms_stats.is_system_catalog(starelid)
+ AND EXISTS (
+ SELECT NULL
+ FROM pg_attribute a
+ WHERE a.attrelid = starelid
+ AND a.attnum = staattnum
+ AND a.attisdropped = false
+ )
+ ) m
+ WHERE starelid IS NOT NULL;
+
+CREATE OR REPLACE FUNCTION dbms_stats.restore(
+ backup_id int8,
+ relid regclass DEFAULT NULL,
+ attname text DEFAULT NULL
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ restore_id int8;
+ restore_relid regclass;
+ restore_attnum int2;
+ set_attnum int2;
+ restore_attname text;
+ restore_type regtype;
+ cur_type regtype;
+BEGIN
+ IF $1 IS NULL THEN
+ RAISE EXCEPTION 'backup id required';
+ END IF;
+ IF $2 IS NULL AND $3 IS NOT NULL THEN
+ RAISE EXCEPTION 'relation required';
+ END IF;
+ IF NOT EXISTS(SELECT * FROM dbms_stats.backup_history
+ WHERE id <= $1 FOR SHARE) THEN
+ RAISE EXCEPTION 'backup id % not found', $1;
+ END IF;
+ IF $2 IS NOT NULL THEN
+ IF NOT EXISTS(SELECT * FROM pg_catalog.pg_class
+ WHERE oid = $2 FOR SHARE) THEN
+ RAISE EXCEPTION 'relation "%" not found', $2;
+ END IF;
+ -- Grabbing all backups for the relation which is not used in restore.
+ IF NOT EXISTS(SELECT * FROM dbms_stats.relation_stats_backup b
+ WHERE b.id <= $1 AND b.relid = $2 FOR SHARE) THEN
+ RAISE EXCEPTION 'statistics of relation "%" not found in any backups before backup id = %', $2, $1;
+ END IF;
+ IF $3 IS NOT NULL THEN
+ SELECT a.attnum INTO set_attnum FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = $2 AND a.attname = $3;
+ IF set_attnum IS NULL THEN
+ RAISE EXCEPTION 'column "%" not found in relation %', $3, $2;
+ END IF;
+ IF NOT EXISTS(SELECT * FROM dbms_stats.column_stats_backup WHERE id <= $1 AND starelid = $2 AND staattnum = set_attnum) THEN
+ RAISE EXCEPTION 'statistics of column "%" of relation "%" are not found in any backups before',$3, $2, $1;
+ END IF;
+ END IF;
+ PERFORM * FROM dbms_stats.relation_stats_locked r
+ WHERE r.relid = $2 FOR UPDATE;
+ ELSE
+ /* Lock the whole relation stats if relation is not specified.*/
+ LOCK dbms_stats.relation_stats_locked IN EXCLUSIVE MODE;
+ END IF;
+
+ FOR restore_id, restore_relid IN
+ SELECT max(id), coid FROM
+ (SELECT b.id as id, c.oid as coid
+ FROM pg_class c, dbms_stats.relation_stats_backup b
+ WHERE (c.oid = $2 OR $2 IS NULL)
+ AND c.oid = b.relid
+ AND dbms_stats.is_target_relkind(c.relkind)
+ AND NOT dbms_stats.is_system_catalog(c.oid)
+ AND b.id <= $1
+ FOR SHARE) t
+ GROUP BY coid
+ ORDER BY coid::regclass::text
+ LOOP
+ UPDATE dbms_stats.relation_stats_locked r
+ SET relid = b.relid,
+ relname = b.relname,
+ relpages = b.relpages,
+ reltuples = b.reltuples,
+ relallvisible = b.relallvisible,
+ curpages = b.curpages,
+ last_analyze = b.last_analyze,
+ last_autoanalyze = b.last_autoanalyze
+ FROM dbms_stats.relation_stats_backup b
+ WHERE r.relid = restore_relid
+ AND b.id = restore_id
+ AND b.relid = restore_relid;
+ IF NOT FOUND THEN
+ INSERT INTO dbms_stats.relation_stats_locked
+ SELECT b.relid,
+ b.relname,
+ b.relpages,
+ b.reltuples,
+ b.relallvisible,
+ b.curpages,
+ b.last_analyze,
+ b.last_autoanalyze
+ FROM dbms_stats.relation_stats_backup b
+ WHERE b.id = restore_id
+ AND b.relid = restore_relid;
+ END IF;
+ RETURN NEXT restore_relid;
+ END LOOP;
+
+ FOR restore_id, restore_relid, restore_attnum, restore_type, cur_type IN
+ SELECT t.id, t.oid, t.attnum, b.statypid, a.atttypid
+ FROM pg_attribute a,
+ dbms_stats.column_stats_backup b,
+ (SELECT max(b.id) AS id, c.oid, a.attnum
+ FROM pg_class c, pg_attribute a, dbms_stats.column_stats_backup b
+ WHERE (c.oid = $2 OR $2 IS NULL)
+ AND c.oid = a.attrelid
+ AND c.oid = b.starelid
+ AND (a.attnum = set_attnum OR set_attnum IS NULL)
+ AND a.attnum = b.staattnum
+ AND NOT a.attisdropped
+ AND dbms_stats.is_target_relkind(c.relkind)
+ AND b.id <= $1
+ GROUP BY c.oid, a.attnum) t
+ WHERE a.attrelid = t.oid
+ AND a.attnum = t.attnum
+ AND b.id = t.id
+ AND b.starelid = t.oid
+ AND b.staattnum = t.attnum
+ LOOP
+ IF restore_type <> cur_type THEN
+ SELECT a.attname INTO restore_attname
+ FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = restore_relid
+ AND a.attnum = restore_attnum;
+ RAISE WARNING 'data type of column "%.%" is inconsistent between database(%) and backup (%). Skip.',
+ restore_relid, restore_attname, cur_type, restore_type;
+ ELSE
+ DELETE FROM dbms_stats.column_stats_locked
+ WHERE starelid = restore_relid
+ AND staattnum = restore_attnum;
+ INSERT INTO dbms_stats.column_stats_locked
+ SELECT starelid, staattnum, stainherit,
+ stanullfrac, stawidth, stadistinct,
+ stakind1, stakind2, stakind3, stakind4, stakind5,
+ staop1, staop2, staop3, staop4, staop5,
+ stanumbers1, stanumbers2, stanumbers3, stanumbers4, stanumbers5,
+ stavalues1, stavalues2, stavalues3, stavalues4, stavalues5
+ FROM dbms_stats.column_stats_backup
+ WHERE id = restore_id
+ AND starelid = restore_relid
+ AND staattnum = restore_attnum;
+ END IF;
+ END LOOP;
+EXCEPTION
+ WHEN unique_violation THEN
+ RAISE EXCEPTION 'This operation is canceled by simultaneous lock or restore operation on the same relation.';
+END;
+$$
+LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION dbms_stats.restore_stats(
+ backup_id int8
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ restore_relid regclass;
+ restore_attnum int2;
+ restore_attname text;
+ restore_type regtype;
+ cur_type regtype;
+BEGIN
+ IF NOT EXISTS(SELECT * FROM dbms_stats.backup_history WHERE id = $1) THEN
+ RAISE EXCEPTION 'backup id % not found', $1;
+ END IF;
+
+ /* Lock the backup */
+ PERFORM * from dbms_stats.relation_stats_backup b
+ WHERE id = $1 FOR SHARE;
+
+ /* Locking only _relation_stats_locked is sufficient */
+ LOCK dbms_stats.relation_stats_locked IN EXCLUSIVE MODE;
+
+ FOR restore_relid IN
+ SELECT b.relid
+ FROM pg_class c
+ JOIN dbms_stats.relation_stats_backup b ON (c.oid = b.relid)
+ WHERE b.id = $1
+ ORDER BY c.oid::regclass::text
+ LOOP
+ UPDATE dbms_stats.relation_stats_locked r
+ SET relid = b.relid,
+ relname = b.relname,
+ relpages = b.relpages,
+ reltuples = b.reltuples,
+ relallvisible = b.relallvisible,
+ curpages = b.curpages,
+ last_analyze = b.last_analyze,
+ last_autoanalyze = b.last_autoanalyze
+ FROM dbms_stats.relation_stats_backup b
+ WHERE r.relid = restore_relid
+ AND b.id = $1
+ AND b.relid = restore_relid;
+ IF NOT FOUND THEN
+ INSERT INTO dbms_stats.relation_stats_locked
+ SELECT b.relid,
+ b.relname,
+ b.relpages,
+ b.reltuples,
+ b.relallvisible,
+ b.curpages,
+ b.last_analyze,
+ b.last_autoanalyze
+ FROM dbms_stats.relation_stats_backup b
+ WHERE b.id = $1
+ AND b.relid = restore_relid;
+ END IF;
+ RETURN NEXT restore_relid;
+ END LOOP;
+
+ FOR restore_relid, restore_attnum, restore_type, cur_type IN
+ SELECT c.oid, a.attnum, b.statypid, a.atttypid
+ FROM pg_class c
+ JOIN dbms_stats.column_stats_backup b ON (c.oid = b.starelid)
+ JOIN pg_attribute a ON (b.starelid = attrelid
+ AND b.staattnum = a.attnum)
+ WHERE b.id = $1
+ LOOP
+ IF restore_type <> cur_type THEN
+ SELECT attname INTO restore_attname
+ FROM pg_catalog.pg_attribute
+ WHERE attrelid = restore_relid
+ AND attnum = restore_attnum;
+ RAISE WARNING 'data type of column "%.%" is inconsistent between database(%) and backup (%). Skip.',
+ restore_relid, restore_attname, cur_type, restore_type;
+ ELSE
+ DELETE FROM dbms_stats.column_stats_locked
+ WHERE starelid = restore_relid
+ AND staattnum = restore_attnum;
+ INSERT INTO dbms_stats.column_stats_locked
+ SELECT starelid, staattnum, stainherit,
+ stanullfrac, stawidth, stadistinct,
+ stakind1, stakind2, stakind3, stakind4, stakind5,
+ staop1, staop2, staop3, staop4, staop5,
+ stanumbers1, stanumbers2, stanumbers3, stanumbers4, stanumbers5,
+ stavalues1, stavalues2, stavalues3, stavalues4, stavalues5
+ FROM dbms_stats.column_stats_backup
+ WHERE id = $1
+ AND starelid = restore_relid
+ AND staattnum = restore_attnum;
+ END IF;
+ END LOOP;
+
+END;
+$$
+LANGUAGE plpgsql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.lock(
+ relid regclass,
+ attname text
+) RETURNS regclass AS
+$$
+DECLARE
+ lock_relkind "char";
+ set_attnum int2;
+ r record;
+BEGIN
+ IF $1 IS NULL THEN
+ RAISE EXCEPTION 'relation required';
+ END IF;
+ IF $2 IS NULL THEN
+ RETURN dbms_stats.lock($1);
+ END IF;
+ SELECT relkind INTO lock_relkind FROM pg_catalog.pg_class WHERE oid = $1;
+ IF NOT FOUND THEN
+ RAISE EXCEPTION 'relation "%" not found', $1;
+ END IF;
+ IF NOT dbms_stats.is_target_relkind(lock_relkind) THEN
+ RAISE EXCEPTION '"%" must be a table or an index', $1;
+ END IF;
+ IF EXISTS(SELECT * FROM pg_catalog.pg_index WHERE lock_relkind = 'i' AND indexrelid = $1 AND indexprs IS NULL) THEN
+ RAISE EXCEPTION '"%" must be an expression index', $1;
+ END IF;
+ IF dbms_stats.is_system_catalog($1) THEN
+ RAISE EXCEPTION 'locking statistics is inhibited for system catalogs: "%"', $1;
+ END IF;
+ SELECT a.attnum INTO set_attnum FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = $1 AND a.attname = $2;
+ IF set_attnum IS NULL THEN
+ RAISE EXCEPTION 'column "%" not found in relation "%"', $2, $1;
+ END IF;
+
+ /*
+ * If we don't have per-table statistics, create new one which has NULL for
+ * every statistic value for column_stats_effective.
+ */
+ IF NOT EXISTS(SELECT * FROM dbms_stats.relation_stats_locked ru
+ WHERE ru.relid = $1 FOR SHARE) THEN
+ INSERT INTO dbms_stats.relation_stats_locked
+ SELECT $1, dbms_stats.relname(nspname, relname),
+ NULL, NULL, NULL, NULL, NULL
+ FROM pg_catalog.pg_class c, pg_catalog.pg_namespace n
+ WHERE c.relnamespace = n.oid
+ AND c.oid = $1;
+ END IF;
+
+ /*
+ * Process for per-column statistics
+ */
+ FOR r IN
+ SELECT stainherit, stanullfrac, stawidth, stadistinct,
+ stakind1, stakind2, stakind3, stakind4, stakind5,
+ staop1, staop2, staop3, staop4, staop5,
+ stanumbers1, stanumbers2, stanumbers3, stanumbers4, stanumbers5,
+ stavalues1, stavalues2, stavalues3, stavalues4, stavalues5
+ FROM dbms_stats.column_stats_effective
+ WHERE starelid = $1
+ AND staattnum = set_attnum
+ LOOP
+ UPDATE dbms_stats.column_stats_locked c
+ SET stanullfrac = r.stanullfrac,
+ stawidth = r.stawidth,
+ stadistinct = r.stadistinct,
+ stakind1 = r.stakind1,
+ stakind2 = r.stakind2,
+ stakind3 = r.stakind3,
+ stakind4 = r.stakind4,
+ stakind5 = r.stakind5,
+ staop1 = r.staop1,
+ staop2 = r.staop2,
+ staop3 = r.staop3,
+ staop4 = r.staop4,
+ staop5 = r.staop5,
+ stanumbers1 = r.stanumbers1,
+ stanumbers2 = r.stanumbers2,
+ stanumbers3 = r.stanumbers3,
+ stanumbers4 = r.stanumbers4,
+ stanumbers5 = r.stanumbers5,
+ stavalues1 = r.stavalues1,
+ stavalues2 = r.stavalues2,
+ stavalues3 = r.stavalues3,
+ stavalues4 = r.stavalues4,
+ stavalues5 = r.stavalues5
+ WHERE c.starelid = $1
+ AND c.staattnum = set_attnum
+ AND c.stainherit = r.stainherit;
+
+ IF NOT FOUND THEN
+ INSERT INTO dbms_stats.column_stats_locked
+ VALUES ($1,
+ set_attnum,
+ r.stainherit,
+ r.stanullfrac,
+ r.stawidth,
+ r.stadistinct,
+ r.stakind1,
+ r.stakind2,
+ r.stakind3,
+ r.stakind4,
+ r.stakind5,
+ r.staop1,
+ r.staop2,
+ r.staop3,
+ r.staop4,
+ r.staop5,
+ r.stanumbers1,
+ r.stanumbers2,
+ r.stanumbers3,
+ r.stanumbers4,
+ r.stanumbers5,
+ r.stavalues1,
+ r.stavalues2,
+ r.stavalues3,
+ r.stavalues4,
+ r.stavalues5);
+ END IF;
+ END LOOP;
+
+ /* If we don't have statistics at all, raise error. */
+ IF NOT FOUND THEN
+ RAISE EXCEPTION 'no statistics available for column "%" of relation "%"', $2, $1::regclass;
+ END IF;
+
+ RETURN $1;
+EXCEPTION
+ WHEN unique_violation THEN
+ RAISE EXCEPTION 'This operation is canceled by simultaneous lock or restore operation on the same relation.';
+END;
+$$
+LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION dbms_stats.lock(relid regclass)
+ RETURNS regclass AS
+$$
+DECLARE
+ lock_relkind "char";
+ i record;
+BEGIN
+ IF $1 IS NULL THEN
+ RAISE EXCEPTION 'relation required';
+ END IF;
+ SELECT relkind INTO lock_relkind FROM pg_catalog.pg_class WHERE oid = $1;
+ IF NOT FOUND THEN
+ RAISE EXCEPTION 'relation "%" not found', $1;
+ END IF;
+ IF NOT dbms_stats.is_target_relkind(lock_relkind) THEN
+ RAISE EXCEPTION 'locking statistics is not allowed for relations with relkind "%": "%"', lock_relkind, $1
+ USING HINT = 'Only tables(r, m, f) and indexes(i) are lockable.';
+ END IF;
+ IF dbms_stats.is_system_catalog($1) THEN
+ RAISE EXCEPTION 'locking statistics is not allowed for system catalogs: "%"', $1;
+ END IF;
+
+ UPDATE dbms_stats.relation_stats_locked r
+ SET relname = dbms_stats.relname(nspname, c.relname),
+ relpages = v.relpages,
+ reltuples = v.reltuples,
+ relallvisible = v.relallvisible,
+ curpages = v.curpages,
+ last_analyze = v.last_analyze,
+ last_autoanalyze = v.last_autoanalyze
+ FROM pg_catalog.pg_class c,
+ pg_catalog.pg_namespace n,
+ dbms_stats.relation_stats_effective v
+ WHERE r.relid = $1
+ AND c.oid = $1
+ AND c.relnamespace = n.oid
+ AND v.relid = $1;
+ IF NOT FOUND THEN
+ INSERT INTO dbms_stats.relation_stats_locked
+ SELECT $1, dbms_stats.relname(nspname, c.relname),
+ v.relpages, v.reltuples, v.relallvisible, v.curpages,
+ v.last_analyze, v.last_autoanalyze
+ FROM pg_catalog.pg_class c,
+ pg_catalog.pg_namespace n,
+ dbms_stats.relation_stats_effective v
+ WHERE c.oid = $1
+ AND c.relnamespace = n.oid
+ AND v.relid = $1;
+ END IF;
+
+ IF EXISTS(SELECT *
+ FROM pg_catalog.pg_class c LEFT JOIN pg_catalog.pg_index ind
+ ON c.oid = ind.indexrelid
+ WHERE c.oid = $1
+ AND c.relkind = 'i'
+ AND ind.indexprs IS NULL) THEN
+ RETURN $1;
+ END IF;
+
+ FOR i IN
+ SELECT staattnum, stainherit, stanullfrac,
+ stawidth, stadistinct,
+ stakind1, stakind2, stakind3, stakind4, stakind5,
+ staop1, staop2, staop3, staop4, staop5,
+ stanumbers1, stanumbers2, stanumbers3, stanumbers4, stanumbers5,
+ stavalues1, stavalues2, stavalues3, stavalues4, stavalues5
+ FROM dbms_stats.column_stats_effective
+ WHERE starelid = $1
+ LOOP
+ UPDATE dbms_stats.column_stats_locked c
+ SET stanullfrac = i.stanullfrac,
+ stawidth = i.stawidth,
+ stadistinct = i.stadistinct,
+ stakind1 = i.stakind1,
+ stakind2 = i.stakind2,
+ stakind3 = i.stakind3,
+ stakind4 = i.stakind4,
+ stakind5 = i.stakind5,
+ staop1 = i.staop1,
+ staop2 = i.staop2,
+ staop3 = i.staop3,
+ staop4 = i.staop4,
+ staop5 = i.staop5,
+ stanumbers1 = i.stanumbers1,
+ stanumbers2 = i.stanumbers2,
+ stanumbers3 = i.stanumbers3,
+ stanumbers4 = i.stanumbers4,
+ stanumbers5 = i.stanumbers5,
+ stavalues1 = i.stavalues1,
+ stavalues2 = i.stavalues2,
+ stavalues3 = i.stavalues3,
+ stavalues4 = i.stavalues4,
+ stavalues5 = i.stavalues5
+ WHERE c.starelid = $1
+ AND c.staattnum = i.staattnum
+ AND c.stainherit = i.stainherit;
+
+ IF NOT FOUND THEN
+ INSERT INTO dbms_stats.column_stats_locked
+ VALUES ($1,
+ i.staattnum,
+ i.stainherit,
+ i.stanullfrac,
+ i.stawidth,
+ i.stadistinct,
+ i.stakind1,
+ i.stakind2,
+ i.stakind3,
+ i.stakind4,
+ i.stakind5,
+ i.staop1,
+ i.staop2,
+ i.staop3,
+ i.staop4,
+ i.staop5,
+ i.stanumbers1,
+ i.stanumbers2,
+ i.stanumbers3,
+ i.stanumbers4,
+ i.stanumbers5,
+ i.stavalues1,
+ i.stavalues2,
+ i.stavalues3,
+ i.stavalues4,
+ i.stavalues5);
+ END IF;
+ END LOOP;
+
+ RETURN $1;
+EXCEPTION
+ WHEN unique_violation THEN
+ RAISE EXCEPTION 'This operation is canceled by simultaneous lock operation on the same relation.';
+END;
+$$
+LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock(
+ relid regclass DEFAULT NULL,
+ attname text DEFAULT NULL
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ set_attnum int2;
+ unlock_id int8;
+BEGIN
+ IF $1 IS NULL AND $2 IS NOT NULL THEN
+ RAISE EXCEPTION 'relation required';
+ END IF;
+
+ /*
+ * Lock the target relation to prevent conflicting with stats lock/restore
+ */
+ PERFORM * FROM dbms_stats.relation_stats_locked ru
+ WHERE (ru.relid = $1 OR $1 IS NULL) FOR UPDATE;
+
+ SELECT a.attnum INTO set_attnum FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = $1 AND a.attname = $2;
+ IF $2 IS NOT NULL AND set_attnum IS NULL THEN
+ RAISE EXCEPTION 'column "%" not found in relation "%"', $2, $1;
+ END IF;
+
+ DELETE FROM dbms_stats.column_stats_locked
+ WHERE (starelid = $1 OR $1 IS NULL)
+ AND (staattnum = set_attnum OR $2 IS NULL);
+
+ IF $1 IS NOT NULL AND $2 IS NOT NULL THEN
+ RETURN QUERY
+ SELECT $1;
+ END IF;
+ FOR unlock_id IN
+ SELECT ru.relid
+ FROM dbms_stats.relation_stats_locked ru
+ WHERE (ru.relid = $1 OR $1 IS NULL) AND ($2 IS NULL)
+ ORDER BY ru.relid
+ LOOP
+ DELETE FROM dbms_stats.relation_stats_locked ru
+ WHERE ru.relid = unlock_id;
+ RETURN NEXT unlock_id;
+ END LOOP;
+END;
+$$
+LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock_database_stats()
+ RETURNS SETOF regclass AS
+$$
+DECLARE
+ unlock_id int8;
+BEGIN
+ LOCK dbms_stats.relation_stats_locked IN EXCLUSIVE MODE;
+
+ FOR unlock_id IN
+ SELECT relid
+ FROM dbms_stats.relation_stats_locked
+ ORDER BY relid
+ LOOP
+ DELETE FROM dbms_stats.relation_stats_locked
+ WHERE relid = unlock_id;
+ RETURN NEXT unlock_id;
+ END LOOP;
+END;
+$$
+LANGUAGE plpgsql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock_schema_stats(
+ schemaname text
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ unlock_id int8;
+BEGIN
+ IF NOT EXISTS(SELECT * FROM pg_namespace WHERE nspname = $1) THEN
+ RAISE EXCEPTION 'schema "%" not found', $1;
+ END IF;
+ IF dbms_stats.is_system_schema($1) THEN
+ RAISE EXCEPTION 'unlocking statistics is not allowed for system schemas: "%"', $1;
+ END IF;
+
+ FOR unlock_id IN
+ SELECT r.relid
+ FROM dbms_stats.relation_stats_locked r, pg_class c, pg_namespace n
+ WHERE relid = c.oid
+ AND c.relnamespace = n.oid
+ AND n.nspname = $1
+ ORDER BY relid
+ FOR UPDATE
+ LOOP
+ DELETE FROM dbms_stats.relation_stats_locked
+ WHERE relid = unlock_id;
+ RETURN NEXT unlock_id;
+ END LOOP;
+END;
+$$
+LANGUAGE plpgsql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock_table_stats(relid regclass)
+ RETURNS SETOF regclass AS
+$$
+DELETE FROM dbms_stats.relation_stats_locked
+ WHERE relid = $1
+ RETURNING relid::regclass
+$$
+LANGUAGE sql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock_table_stats(
+ schemaname text,
+ tablename text
+) RETURNS SETOF regclass AS
+$$
+DELETE FROM dbms_stats.relation_stats_locked
+ WHERE relid = dbms_stats.relname($1, $2)::regclass
+ RETURNING relid::regclass
+$$
+LANGUAGE sql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock_column_stats(
+ relid regclass,
+ attname text
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ set_attnum int2;
+BEGIN
+ SELECT a.attnum INTO set_attnum FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = $1 AND a.attname = $2;
+ IF $2 IS NOT NULL AND set_attnum IS NULL THEN
+ RAISE EXCEPTION 'column "%" not found in relation "%"', $2, $1;
+ END IF;
+
+ /* Lock the locked table stats */
+ PERFORM * from dbms_stats.relation_stats_locked r
+ WHERE r.relid = $1 FOR SHARE;
+
+ DELETE FROM dbms_stats.column_stats_locked
+ WHERE starelid = $1
+ AND staattnum = set_attnum;
+
+ RETURN QUERY
+ SELECT $1;
+END;
+$$
+LANGUAGE plpgsql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock_column_stats(
+ schemaname text,
+ tablename text,
+ attname text
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ set_attnum int2;
+BEGIN
+ SELECT a.attnum INTO set_attnum FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = dbms_stats.relname($1, $2)::regclass
+ AND a.attname = $3;
+ IF $3 IS NOT NULL AND set_attnum IS NULL THEN
+ RAISE EXCEPTION 'column "%" not found in relation "%.%"', $3, $1, $2;
+ END IF;
+
+ /* Lock the locked table stats */
+ PERFORM * from dbms_stats.relation_stats_locked r
+ WHERE relid = dbms_stats.relname($1, $2)::regclass FOR SHARE;
+
+ DELETE FROM dbms_stats.column_stats_locked
+ WHERE starelid = dbms_stats.relname($1, $2)::regclass
+ AND staattnum = set_attnum;
+
+ RETURN QUERY
+ SELECT dbms_stats.relname($1, $2)::regclass;
+END;
+$$
+LANGUAGE plpgsql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.clean_up_stats() RETURNS SETOF text AS
+$$
+DECLARE
+ clean_relid Oid;
+ clean_attnum int2;
+ clean_inherit bool;
+ clean_rel_col text;
+BEGIN
+ -- We don't have to check that table-level dummy statistics of the table
+ -- exists here, because the foreign key constraints defined on column-level
+ -- dummy static table ensures that.
+ FOR clean_rel_col, clean_relid, clean_attnum, clean_inherit IN
+ SELECT r.relname || ', ' || v.staattnum::text,
+ v.starelid, v.staattnum, v.stainherit
+ FROM dbms_stats.column_stats_locked v
+ JOIN dbms_stats.relation_stats_locked r ON (v.starelid = r.relid)
+ WHERE NOT EXISTS (
+ SELECT NULL
+ FROM pg_attribute a
+ WHERE a.attrelid = v.starelid
+ AND a.attnum = v.staattnum
+ AND a.attisdropped = false
+ FOR UPDATE
+ )
+ LOOP
+ DELETE FROM dbms_stats.column_stats_locked
+ WHERE starelid = clean_relid
+ AND staattnum = clean_attnum
+ AND stainherit = clean_inherit;
+ RETURN NEXT clean_rel_col;
+ END LOOP;
+
+ RETURN QUERY
+ DELETE FROM dbms_stats.relation_stats_locked r
+ WHERE NOT EXISTS (
+ SELECT NULL
+ FROM pg_class c
+ WHERE c.oid = r.relid)
+ RETURNING relname || ',';
+ RETURN;
+END
+$$
+LANGUAGE plpgsql;
+
+
+REVOKE SELECT ON dbms_stats.stats FROM PUBLIC;
+REVOKE USAGE ON schema dbms_stats FROM PUBLIC;
--- /dev/null
+/* pg_dbms_stats/pg_dbms_stats--1.3.4--1.3.5.sql */
+
+-- complain if script is sourced in psql, rather than via CREATE EXTENSION
+\echo Use "ALTER EXTENSION pg_dbms_stats UPDATE TO '1.3.5'" to load this file. \quit
+
+/* Dropping unnecessary views and rename tables */
+ALTER EXTENSION pg_dbms_stats DROP VIEW dbms_stats.relation_stats_locked;
+DROP VIEW dbms_stats.relation_stats_locked;
+ALTER EXTENSION pg_dbms_stats DROP VIEW dbms_stats.column_stats_locked;
+DROP VIEW dbms_stats.column_stats_locked;
+
+ALTER TABLE dbms_stats._relation_stats_locked
+ RENAME TO relation_stats_locked;
+ALTER TABLE dbms_stats._column_stats_locked
+ RENAME TO column_stats_locked;
+ALTER INDEX dbms_stats._relation_stats_locked_pkey
+ RENAME TO relation_stats_locked_pkey;
+ALTER INDEX dbms_stats._column_stats_locked_pkey
+ RENAME TO column_stats_locked_pkey;
+ALTER TABLE dbms_stats.column_stats_locked
+ RENAME CONSTRAINT _column_stats_locked_starelid_fkey
+ TO column_stats_locked_starelid_fkey;
+
+/* Change function defenitions */
+
+CREATE OR REPLACE FUNCTION dbms_stats.merge(
+ lhs dbms_stats.column_stats_locked,
+ rhs pg_catalog.pg_statistic
+) RETURNS dbms_stats.column_stats_locked AS
+'MODULE_PATHNAME', 'dbms_stats_merge'
+LANGUAGE C STABLE;
+
+CREATE OR REPLACE VIEW dbms_stats.relation_stats_effective AS
+ SELECT
+ c.oid AS relid,
+ dbms_stats.relname(nspname, c.relname) AS relname,
+ COALESCE(v.relpages, c.relpages) AS relpages,
+ COALESCE(v.reltuples, c.reltuples) AS reltuples,
+ COALESCE(v.relallvisible, c.relallvisible) AS relallvisible,
+ COALESCE(v.curpages,
+ (pg_relation_size(c.oid) / current_setting('block_size')::int4)::int4)
+ AS curpages,
+ COALESCE(v.last_analyze,
+ pg_catalog.pg_stat_get_last_analyze_time(c.oid))
+ AS last_analyze,
+ COALESCE(v.last_autoanalyze,
+ pg_catalog.pg_stat_get_last_autoanalyze_time(c.oid))
+ AS last_autoanalyze
+ FROM pg_catalog.pg_class c
+ JOIN pg_catalog.pg_namespace n
+ ON c.relnamespace = n.oid
+ LEFT JOIN dbms_stats.relation_stats_locked v
+ ON v.relid = c.oid
+ WHERE dbms_stats.is_target_relkind(c.relkind)
+ AND NOT dbms_stats.is_system_schema(nspname);
+
+CREATE OR REPLACE VIEW dbms_stats.column_stats_effective AS
+ SELECT * FROM (
+ SELECT (dbms_stats.merge(v, s)).*
+ FROM pg_catalog.pg_statistic s
+ FULL JOIN dbms_stats.column_stats_locked v
+ USING (starelid, staattnum, stainherit)
+ WHERE NOT dbms_stats.is_system_catalog(starelid)
+ AND EXISTS (
+ SELECT NULL
+ FROM pg_attribute a
+ WHERE a.attrelid = starelid
+ AND a.attnum = staattnum
+ AND a.attisdropped = false
+ )
+ ) m
+ WHERE starelid IS NOT NULL;
+
+CREATE OR REPLACE FUNCTION dbms_stats.restore(
+ backup_id int8,
+ relid regclass DEFAULT NULL,
+ attname text DEFAULT NULL
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ restore_id int8;
+ restore_relid regclass;
+ restore_attnum int2;
+ set_attnum int2;
+ restore_attname text;
+ restore_type regtype;
+ cur_type regtype;
+BEGIN
+ IF $1 IS NULL THEN
+ RAISE EXCEPTION 'backup id required';
+ END IF;
+ IF $2 IS NULL AND $3 IS NOT NULL THEN
+ RAISE EXCEPTION 'relation required';
+ END IF;
+ IF NOT EXISTS(SELECT * FROM dbms_stats.backup_history
+ WHERE id <= $1 FOR SHARE) THEN
+ RAISE EXCEPTION 'backup id % not found', $1;
+ END IF;
+ IF $2 IS NOT NULL THEN
+ IF NOT EXISTS(SELECT * FROM pg_catalog.pg_class
+ WHERE oid = $2 FOR SHARE) THEN
+ RAISE EXCEPTION 'relation "%" not found', $2;
+ END IF;
+ -- Grabbing all backups for the relation which is not used in restore.
+ IF NOT EXISTS(SELECT * FROM dbms_stats.relation_stats_backup b
+ WHERE b.id <= $1 AND b.relid = $2 FOR SHARE) THEN
+ RAISE EXCEPTION 'statistics of relation "%" not found in any backups before backup id = %', $2, $1;
+ END IF;
+ IF $3 IS NOT NULL THEN
+ SELECT a.attnum INTO set_attnum FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = $2 AND a.attname = $3;
+ IF set_attnum IS NULL THEN
+ RAISE EXCEPTION 'column "%" not found in relation %', $3, $2;
+ END IF;
+ IF NOT EXISTS(SELECT * FROM dbms_stats.column_stats_backup WHERE id <= $1 AND starelid = $2 AND staattnum = set_attnum) THEN
+ RAISE EXCEPTION 'statistics of column "%" of relation "%" are not found in any backups before',$3, $2, $1;
+ END IF;
+ END IF;
+ PERFORM * FROM dbms_stats.relation_stats_locked r
+ WHERE r.relid = $2 FOR UPDATE;
+ ELSE
+ /* Lock the whole relation stats if relation is not specified.*/
+ LOCK dbms_stats.relation_stats_locked IN EXCLUSIVE MODE;
+ END IF;
+
+ FOR restore_id, restore_relid IN
+ SELECT max(id), coid FROM
+ (SELECT b.id as id, c.oid as coid
+ FROM pg_class c, dbms_stats.relation_stats_backup b
+ WHERE (c.oid = $2 OR $2 IS NULL)
+ AND c.oid = b.relid
+ AND dbms_stats.is_target_relkind(c.relkind)
+ AND NOT dbms_stats.is_system_catalog(c.oid)
+ AND b.id <= $1
+ FOR SHARE) t
+ GROUP BY coid
+ ORDER BY coid::regclass::text
+ LOOP
+ UPDATE dbms_stats.relation_stats_locked r
+ SET relid = b.relid,
+ relname = b.relname,
+ relpages = b.relpages,
+ reltuples = b.reltuples,
+ relallvisible = b.relallvisible,
+ curpages = b.curpages,
+ last_analyze = b.last_analyze,
+ last_autoanalyze = b.last_autoanalyze
+ FROM dbms_stats.relation_stats_backup b
+ WHERE r.relid = restore_relid
+ AND b.id = restore_id
+ AND b.relid = restore_relid;
+ IF NOT FOUND THEN
+ INSERT INTO dbms_stats.relation_stats_locked
+ SELECT b.relid,
+ b.relname,
+ b.relpages,
+ b.reltuples,
+ b.relallvisible,
+ b.curpages,
+ b.last_analyze,
+ b.last_autoanalyze
+ FROM dbms_stats.relation_stats_backup b
+ WHERE b.id = restore_id
+ AND b.relid = restore_relid;
+ END IF;
+ RETURN NEXT restore_relid;
+ END LOOP;
+
+ FOR restore_id, restore_relid, restore_attnum, restore_type, cur_type IN
+ SELECT t.id, t.oid, t.attnum, b.statypid, a.atttypid
+ FROM pg_attribute a,
+ dbms_stats.column_stats_backup b,
+ (SELECT max(b.id) AS id, c.oid, a.attnum
+ FROM pg_class c, pg_attribute a, dbms_stats.column_stats_backup b
+ WHERE (c.oid = $2 OR $2 IS NULL)
+ AND c.oid = a.attrelid
+ AND c.oid = b.starelid
+ AND (a.attnum = set_attnum OR set_attnum IS NULL)
+ AND a.attnum = b.staattnum
+ AND NOT a.attisdropped
+ AND dbms_stats.is_target_relkind(c.relkind)
+ AND b.id <= $1
+ GROUP BY c.oid, a.attnum) t
+ WHERE a.attrelid = t.oid
+ AND a.attnum = t.attnum
+ AND b.id = t.id
+ AND b.starelid = t.oid
+ AND b.staattnum = t.attnum
+ LOOP
+ IF restore_type <> cur_type THEN
+ SELECT a.attname INTO restore_attname
+ FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = restore_relid
+ AND a.attnum = restore_attnum;
+ RAISE WARNING 'data type of column "%.%" is inconsistent between database(%) and backup (%). Skip.',
+ restore_relid, restore_attname, cur_type, restore_type;
+ ELSE
+ DELETE FROM dbms_stats.column_stats_locked
+ WHERE starelid = restore_relid
+ AND staattnum = restore_attnum;
+ INSERT INTO dbms_stats.column_stats_locked
+ SELECT starelid, staattnum, stainherit,
+ stanullfrac, stawidth, stadistinct,
+ stakind1, stakind2, stakind3, stakind4, stakind5,
+ staop1, staop2, staop3, staop4, staop5,
+ stanumbers1, stanumbers2, stanumbers3, stanumbers4, stanumbers5,
+ stavalues1, stavalues2, stavalues3, stavalues4, stavalues5
+ FROM dbms_stats.column_stats_backup
+ WHERE id = restore_id
+ AND starelid = restore_relid
+ AND staattnum = restore_attnum;
+ END IF;
+ END LOOP;
+EXCEPTION
+ WHEN unique_violation THEN
+ RAISE EXCEPTION 'This operation is canceled by simultaneous lock or restore operation on the same relation.';
+END;
+$$
+LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION dbms_stats.restore_stats(
+ backup_id int8
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ restore_relid regclass;
+ restore_attnum int2;
+ restore_attname text;
+ restore_type regtype;
+ cur_type regtype;
+BEGIN
+ IF NOT EXISTS(SELECT * FROM dbms_stats.backup_history WHERE id = $1) THEN
+ RAISE EXCEPTION 'backup id % not found', $1;
+ END IF;
+
+ /* Lock the backup */
+ PERFORM * from dbms_stats.relation_stats_backup b
+ WHERE id = $1 FOR SHARE;
+
+ /* Locking only _relation_stats_locked is sufficient */
+ LOCK dbms_stats.relation_stats_locked IN EXCLUSIVE MODE;
+
+ FOR restore_relid IN
+ SELECT b.relid
+ FROM pg_class c
+ JOIN dbms_stats.relation_stats_backup b ON (c.oid = b.relid)
+ WHERE b.id = $1
+ ORDER BY c.oid::regclass::text
+ LOOP
+ UPDATE dbms_stats.relation_stats_locked r
+ SET relid = b.relid,
+ relname = b.relname,
+ relpages = b.relpages,
+ reltuples = b.reltuples,
+ relallvisible = b.relallvisible,
+ curpages = b.curpages,
+ last_analyze = b.last_analyze,
+ last_autoanalyze = b.last_autoanalyze
+ FROM dbms_stats.relation_stats_backup b
+ WHERE r.relid = restore_relid
+ AND b.id = $1
+ AND b.relid = restore_relid;
+ IF NOT FOUND THEN
+ INSERT INTO dbms_stats.relation_stats_locked
+ SELECT b.relid,
+ b.relname,
+ b.relpages,
+ b.reltuples,
+ b.relallvisible,
+ b.curpages,
+ b.last_analyze,
+ b.last_autoanalyze
+ FROM dbms_stats.relation_stats_backup b
+ WHERE b.id = $1
+ AND b.relid = restore_relid;
+ END IF;
+ RETURN NEXT restore_relid;
+ END LOOP;
+
+ FOR restore_relid, restore_attnum, restore_type, cur_type IN
+ SELECT c.oid, a.attnum, b.statypid, a.atttypid
+ FROM pg_class c
+ JOIN dbms_stats.column_stats_backup b ON (c.oid = b.starelid)
+ JOIN pg_attribute a ON (b.starelid = attrelid
+ AND b.staattnum = a.attnum)
+ WHERE b.id = $1
+ LOOP
+ IF restore_type <> cur_type THEN
+ SELECT attname INTO restore_attname
+ FROM pg_catalog.pg_attribute
+ WHERE attrelid = restore_relid
+ AND attnum = restore_attnum;
+ RAISE WARNING 'data type of column "%.%" is inconsistent between database(%) and backup (%). Skip.',
+ restore_relid, restore_attname, cur_type, restore_type;
+ ELSE
+ DELETE FROM dbms_stats.column_stats_locked
+ WHERE starelid = restore_relid
+ AND staattnum = restore_attnum;
+ INSERT INTO dbms_stats.column_stats_locked
+ SELECT starelid, staattnum, stainherit,
+ stanullfrac, stawidth, stadistinct,
+ stakind1, stakind2, stakind3, stakind4, stakind5,
+ staop1, staop2, staop3, staop4, staop5,
+ stanumbers1, stanumbers2, stanumbers3, stanumbers4, stanumbers5,
+ stavalues1, stavalues2, stavalues3, stavalues4, stavalues5
+ FROM dbms_stats.column_stats_backup
+ WHERE id = $1
+ AND starelid = restore_relid
+ AND staattnum = restore_attnum;
+ END IF;
+ END LOOP;
+
+END;
+$$
+LANGUAGE plpgsql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.lock(
+ relid regclass,
+ attname text
+) RETURNS regclass AS
+$$
+DECLARE
+ lock_relkind "char";
+ set_attnum int2;
+ r record;
+BEGIN
+ IF $1 IS NULL THEN
+ RAISE EXCEPTION 'relation required';
+ END IF;
+ IF $2 IS NULL THEN
+ RETURN dbms_stats.lock($1);
+ END IF;
+ SELECT relkind INTO lock_relkind FROM pg_catalog.pg_class WHERE oid = $1;
+ IF NOT FOUND THEN
+ RAISE EXCEPTION 'relation "%" not found', $1;
+ END IF;
+ IF NOT dbms_stats.is_target_relkind(lock_relkind) THEN
+ RAISE EXCEPTION '"%" must be a table or an index', $1;
+ END IF;
+ IF EXISTS(SELECT * FROM pg_catalog.pg_index WHERE lock_relkind = 'i' AND indexrelid = $1 AND indexprs IS NULL) THEN
+ RAISE EXCEPTION '"%" must be an expression index', $1;
+ END IF;
+ IF dbms_stats.is_system_catalog($1) THEN
+ RAISE EXCEPTION 'locking statistics is inhibited for system catalogs: "%"', $1;
+ END IF;
+ SELECT a.attnum INTO set_attnum FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = $1 AND a.attname = $2;
+ IF set_attnum IS NULL THEN
+ RAISE EXCEPTION 'column "%" not found in relation "%"', $2, $1;
+ END IF;
+
+ /*
+ * If we don't have per-table statistics, create new one which has NULL for
+ * every statistic value for column_stats_effective.
+ */
+ IF NOT EXISTS(SELECT * FROM dbms_stats.relation_stats_locked ru
+ WHERE ru.relid = $1 FOR SHARE) THEN
+ INSERT INTO dbms_stats.relation_stats_locked
+ SELECT $1, dbms_stats.relname(nspname, relname),
+ NULL, NULL, NULL, NULL, NULL
+ FROM pg_catalog.pg_class c, pg_catalog.pg_namespace n
+ WHERE c.relnamespace = n.oid
+ AND c.oid = $1;
+ END IF;
+
+ /*
+ * Process for per-column statistics
+ */
+ FOR r IN
+ SELECT stainherit, stanullfrac, stawidth, stadistinct,
+ stakind1, stakind2, stakind3, stakind4, stakind5,
+ staop1, staop2, staop3, staop4, staop5,
+ stanumbers1, stanumbers2, stanumbers3, stanumbers4, stanumbers5,
+ stavalues1, stavalues2, stavalues3, stavalues4, stavalues5
+ FROM dbms_stats.column_stats_effective
+ WHERE starelid = $1
+ AND staattnum = set_attnum
+ LOOP
+ UPDATE dbms_stats.column_stats_locked c
+ SET stanullfrac = r.stanullfrac,
+ stawidth = r.stawidth,
+ stadistinct = r.stadistinct,
+ stakind1 = r.stakind1,
+ stakind2 = r.stakind2,
+ stakind3 = r.stakind3,
+ stakind4 = r.stakind4,
+ stakind5 = r.stakind5,
+ staop1 = r.staop1,
+ staop2 = r.staop2,
+ staop3 = r.staop3,
+ staop4 = r.staop4,
+ staop5 = r.staop5,
+ stanumbers1 = r.stanumbers1,
+ stanumbers2 = r.stanumbers2,
+ stanumbers3 = r.stanumbers3,
+ stanumbers4 = r.stanumbers4,
+ stanumbers5 = r.stanumbers5,
+ stavalues1 = r.stavalues1,
+ stavalues2 = r.stavalues2,
+ stavalues3 = r.stavalues3,
+ stavalues4 = r.stavalues4,
+ stavalues5 = r.stavalues5
+ WHERE c.starelid = $1
+ AND c.staattnum = set_attnum
+ AND c.stainherit = r.stainherit;
+
+ IF NOT FOUND THEN
+ INSERT INTO dbms_stats.column_stats_locked
+ VALUES ($1,
+ set_attnum,
+ r.stainherit,
+ r.stanullfrac,
+ r.stawidth,
+ r.stadistinct,
+ r.stakind1,
+ r.stakind2,
+ r.stakind3,
+ r.stakind4,
+ r.stakind5,
+ r.staop1,
+ r.staop2,
+ r.staop3,
+ r.staop4,
+ r.staop5,
+ r.stanumbers1,
+ r.stanumbers2,
+ r.stanumbers3,
+ r.stanumbers4,
+ r.stanumbers5,
+ r.stavalues1,
+ r.stavalues2,
+ r.stavalues3,
+ r.stavalues4,
+ r.stavalues5);
+ END IF;
+ END LOOP;
+
+ /* If we don't have statistics at all, raise error. */
+ IF NOT FOUND THEN
+ RAISE EXCEPTION 'no statistics available for column "%" of relation "%"', $2, $1::regclass;
+ END IF;
+
+ RETURN $1;
+EXCEPTION
+ WHEN unique_violation THEN
+ RAISE EXCEPTION 'This operation is canceled by simultaneous lock or restore operation on the same relation.';
+END;
+$$
+LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION dbms_stats.lock(relid regclass)
+ RETURNS regclass AS
+$$
+DECLARE
+ lock_relkind "char";
+ i record;
+BEGIN
+ IF $1 IS NULL THEN
+ RAISE EXCEPTION 'relation required';
+ END IF;
+ SELECT relkind INTO lock_relkind FROM pg_catalog.pg_class WHERE oid = $1;
+ IF NOT FOUND THEN
+ RAISE EXCEPTION 'relation "%" not found', $1;
+ END IF;
+ IF NOT dbms_stats.is_target_relkind(lock_relkind) THEN
+ RAISE EXCEPTION 'locking statistics is not allowed for relations with relkind "%": "%"', lock_relkind, $1
+ USING HINT = 'Only tables(r, m, f) and indexes(i) are lockable.';
+ END IF;
+ IF dbms_stats.is_system_catalog($1) THEN
+ RAISE EXCEPTION 'locking statistics is not allowed for system catalogs: "%"', $1;
+ END IF;
+
+ UPDATE dbms_stats.relation_stats_locked r
+ SET relname = dbms_stats.relname(nspname, c.relname),
+ relpages = v.relpages,
+ reltuples = v.reltuples,
+ relallvisible = v.relallvisible,
+ curpages = v.curpages,
+ last_analyze = v.last_analyze,
+ last_autoanalyze = v.last_autoanalyze
+ FROM pg_catalog.pg_class c,
+ pg_catalog.pg_namespace n,
+ dbms_stats.relation_stats_effective v
+ WHERE r.relid = $1
+ AND c.oid = $1
+ AND c.relnamespace = n.oid
+ AND v.relid = $1;
+ IF NOT FOUND THEN
+ INSERT INTO dbms_stats.relation_stats_locked
+ SELECT $1, dbms_stats.relname(nspname, c.relname),
+ v.relpages, v.reltuples, v.relallvisible, v.curpages,
+ v.last_analyze, v.last_autoanalyze
+ FROM pg_catalog.pg_class c,
+ pg_catalog.pg_namespace n,
+ dbms_stats.relation_stats_effective v
+ WHERE c.oid = $1
+ AND c.relnamespace = n.oid
+ AND v.relid = $1;
+ END IF;
+
+ IF EXISTS(SELECT *
+ FROM pg_catalog.pg_class c LEFT JOIN pg_catalog.pg_index ind
+ ON c.oid = ind.indexrelid
+ WHERE c.oid = $1
+ AND c.relkind = 'i'
+ AND ind.indexprs IS NULL) THEN
+ RETURN $1;
+ END IF;
+
+ FOR i IN
+ SELECT staattnum, stainherit, stanullfrac,
+ stawidth, stadistinct,
+ stakind1, stakind2, stakind3, stakind4, stakind5,
+ staop1, staop2, staop3, staop4, staop5,
+ stanumbers1, stanumbers2, stanumbers3, stanumbers4, stanumbers5,
+ stavalues1, stavalues2, stavalues3, stavalues4, stavalues5
+ FROM dbms_stats.column_stats_effective
+ WHERE starelid = $1
+ LOOP
+ UPDATE dbms_stats.column_stats_locked c
+ SET stanullfrac = i.stanullfrac,
+ stawidth = i.stawidth,
+ stadistinct = i.stadistinct,
+ stakind1 = i.stakind1,
+ stakind2 = i.stakind2,
+ stakind3 = i.stakind3,
+ stakind4 = i.stakind4,
+ stakind5 = i.stakind5,
+ staop1 = i.staop1,
+ staop2 = i.staop2,
+ staop3 = i.staop3,
+ staop4 = i.staop4,
+ staop5 = i.staop5,
+ stanumbers1 = i.stanumbers1,
+ stanumbers2 = i.stanumbers2,
+ stanumbers3 = i.stanumbers3,
+ stanumbers4 = i.stanumbers4,
+ stanumbers5 = i.stanumbers5,
+ stavalues1 = i.stavalues1,
+ stavalues2 = i.stavalues2,
+ stavalues3 = i.stavalues3,
+ stavalues4 = i.stavalues4,
+ stavalues5 = i.stavalues5
+ WHERE c.starelid = $1
+ AND c.staattnum = i.staattnum
+ AND c.stainherit = i.stainherit;
+
+ IF NOT FOUND THEN
+ INSERT INTO dbms_stats.column_stats_locked
+ VALUES ($1,
+ i.staattnum,
+ i.stainherit,
+ i.stanullfrac,
+ i.stawidth,
+ i.stadistinct,
+ i.stakind1,
+ i.stakind2,
+ i.stakind3,
+ i.stakind4,
+ i.stakind5,
+ i.staop1,
+ i.staop2,
+ i.staop3,
+ i.staop4,
+ i.staop5,
+ i.stanumbers1,
+ i.stanumbers2,
+ i.stanumbers3,
+ i.stanumbers4,
+ i.stanumbers5,
+ i.stavalues1,
+ i.stavalues2,
+ i.stavalues3,
+ i.stavalues4,
+ i.stavalues5);
+ END IF;
+ END LOOP;
+
+ RETURN $1;
+EXCEPTION
+ WHEN unique_violation THEN
+ RAISE EXCEPTION 'This operation is canceled by simultaneous lock operation on the same relation.';
+END;
+$$
+LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock(
+ relid regclass DEFAULT NULL,
+ attname text DEFAULT NULL
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ set_attnum int2;
+ unlock_id int8;
+BEGIN
+ IF $1 IS NULL AND $2 IS NOT NULL THEN
+ RAISE EXCEPTION 'relation required';
+ END IF;
+
+ /*
+ * Lock the target relation to prevent conflicting with stats lock/restore
+ */
+ PERFORM * FROM dbms_stats.relation_stats_locked ru
+ WHERE (ru.relid = $1 OR $1 IS NULL) FOR UPDATE;
+
+ SELECT a.attnum INTO set_attnum FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = $1 AND a.attname = $2;
+ IF $2 IS NOT NULL AND set_attnum IS NULL THEN
+ RAISE EXCEPTION 'column "%" not found in relation "%"', $2, $1;
+ END IF;
+
+ DELETE FROM dbms_stats.column_stats_locked
+ WHERE (starelid = $1 OR $1 IS NULL)
+ AND (staattnum = set_attnum OR $2 IS NULL);
+
+ IF $1 IS NOT NULL AND $2 IS NOT NULL THEN
+ RETURN QUERY
+ SELECT $1;
+ END IF;
+ FOR unlock_id IN
+ SELECT ru.relid
+ FROM dbms_stats.relation_stats_locked ru
+ WHERE (ru.relid = $1 OR $1 IS NULL) AND ($2 IS NULL)
+ ORDER BY ru.relid
+ LOOP
+ DELETE FROM dbms_stats.relation_stats_locked ru
+ WHERE ru.relid = unlock_id;
+ RETURN NEXT unlock_id;
+ END LOOP;
+END;
+$$
+LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock_database_stats()
+ RETURNS SETOF regclass AS
+$$
+DECLARE
+ unlock_id int8;
+BEGIN
+ LOCK dbms_stats.relation_stats_locked IN EXCLUSIVE MODE;
+
+ FOR unlock_id IN
+ SELECT relid
+ FROM dbms_stats.relation_stats_locked
+ ORDER BY relid
+ LOOP
+ DELETE FROM dbms_stats.relation_stats_locked
+ WHERE relid = unlock_id;
+ RETURN NEXT unlock_id;
+ END LOOP;
+END;
+$$
+LANGUAGE plpgsql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock_schema_stats(
+ schemaname text
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ unlock_id int8;
+BEGIN
+ IF NOT EXISTS(SELECT * FROM pg_namespace WHERE nspname = $1) THEN
+ RAISE EXCEPTION 'schema "%" not found', $1;
+ END IF;
+ IF dbms_stats.is_system_schema($1) THEN
+ RAISE EXCEPTION 'unlocking statistics is not allowed for system schemas: "%"', $1;
+ END IF;
+
+ FOR unlock_id IN
+ SELECT r.relid
+ FROM dbms_stats.relation_stats_locked r, pg_class c, pg_namespace n
+ WHERE relid = c.oid
+ AND c.relnamespace = n.oid
+ AND n.nspname = $1
+ ORDER BY relid
+ FOR UPDATE
+ LOOP
+ DELETE FROM dbms_stats.relation_stats_locked
+ WHERE relid = unlock_id;
+ RETURN NEXT unlock_id;
+ END LOOP;
+END;
+$$
+LANGUAGE plpgsql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock_table_stats(relid regclass)
+ RETURNS SETOF regclass AS
+$$
+DELETE FROM dbms_stats.relation_stats_locked
+ WHERE relid = $1
+ RETURNING relid::regclass
+$$
+LANGUAGE sql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock_table_stats(
+ schemaname text,
+ tablename text
+) RETURNS SETOF regclass AS
+$$
+DELETE FROM dbms_stats.relation_stats_locked
+ WHERE relid = dbms_stats.relname($1, $2)::regclass
+ RETURNING relid::regclass
+$$
+LANGUAGE sql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock_column_stats(
+ relid regclass,
+ attname text
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ set_attnum int2;
+BEGIN
+ SELECT a.attnum INTO set_attnum FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = $1 AND a.attname = $2;
+ IF $2 IS NOT NULL AND set_attnum IS NULL THEN
+ RAISE EXCEPTION 'column "%" not found in relation "%"', $2, $1;
+ END IF;
+
+ /* Lock the locked table stats */
+ PERFORM * from dbms_stats.relation_stats_locked r
+ WHERE r.relid = $1 FOR SHARE;
+
+ DELETE FROM dbms_stats.column_stats_locked
+ WHERE starelid = $1
+ AND staattnum = set_attnum;
+
+ RETURN QUERY
+ SELECT $1;
+END;
+$$
+LANGUAGE plpgsql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.unlock_column_stats(
+ schemaname text,
+ tablename text,
+ attname text
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ set_attnum int2;
+BEGIN
+ SELECT a.attnum INTO set_attnum FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = dbms_stats.relname($1, $2)::regclass
+ AND a.attname = $3;
+ IF $3 IS NOT NULL AND set_attnum IS NULL THEN
+ RAISE EXCEPTION 'column "%" not found in relation "%.%"', $3, $1, $2;
+ END IF;
+
+ /* Lock the locked table stats */
+ PERFORM * from dbms_stats.relation_stats_locked r
+ WHERE relid = dbms_stats.relname($1, $2)::regclass FOR SHARE;
+
+ DELETE FROM dbms_stats.column_stats_locked
+ WHERE starelid = dbms_stats.relname($1, $2)::regclass
+ AND staattnum = set_attnum;
+
+ RETURN QUERY
+ SELECT dbms_stats.relname($1, $2)::regclass;
+END;
+$$
+LANGUAGE plpgsql STRICT;
+
+CREATE OR REPLACE FUNCTION dbms_stats.clean_up_stats() RETURNS SETOF text AS
+$$
+DECLARE
+ clean_relid Oid;
+ clean_attnum int2;
+ clean_inherit bool;
+ clean_rel_col text;
+BEGIN
+ -- We don't have to check that table-level dummy statistics of the table
+ -- exists here, because the foreign key constraints defined on column-level
+ -- dummy static table ensures that.
+ FOR clean_rel_col, clean_relid, clean_attnum, clean_inherit IN
+ SELECT r.relname || ', ' || v.staattnum::text,
+ v.starelid, v.staattnum, v.stainherit
+ FROM dbms_stats.column_stats_locked v
+ JOIN dbms_stats.relation_stats_locked r ON (v.starelid = r.relid)
+ WHERE NOT EXISTS (
+ SELECT NULL
+ FROM pg_attribute a
+ WHERE a.attrelid = v.starelid
+ AND a.attnum = v.staattnum
+ AND a.attisdropped = false
+ FOR UPDATE
+ )
+ LOOP
+ DELETE FROM dbms_stats.column_stats_locked
+ WHERE starelid = clean_relid
+ AND staattnum = clean_attnum
+ AND stainherit = clean_inherit;
+ RETURN NEXT clean_rel_col;
+ END LOOP;
+
+ RETURN QUERY
+ DELETE FROM dbms_stats.relation_stats_locked r
+ WHERE NOT EXISTS (
+ SELECT NULL
+ FROM pg_class c
+ WHERE c.oid = r.relid)
+ RETURNING relname || ',';
+ RETURN;
+END
+$$
+LANGUAGE plpgsql;
+
+
+REVOKE SELECT ON dbms_stats.stats FROM PUBLIC;
+REVOKE USAGE ON schema dbms_stats FROM PUBLIC;
-/* pg_dbms_stats/pg_dbms_stats--1.3.4.sql */
+/* pg_dbms_stats/pg_dbms_stats--1.3.5.sql */
-- complain if script is sourced in psql, rather than via CREATE EXTENSION
\echo Use "CREATE EXTENSION pg_dbms_stats" to load this file. \quit
-/* pg_dbms_stats/pg_dbms_stats--1.3.4.sql */
+/* pg_dbms_stats/pg_dbms_stats--1.3.5.sql */
-- complain if script is sourced in psql, rather than via CREATE EXTENSION
\echo Use "CREATE EXTENSION pg_dbms_stats" to load this file. \quit
-/* pg_dbms_stats/pg_dbms_stats--1.3.4.sql */
+/* pg_dbms_stats/pg_dbms_stats--1.3.5.sql */
-- complain if script is sourced in psql, rather than via CREATE EXTENSION
\echo Use "CREATE EXTENSION pg_dbms_stats" to load this file. \quit
--- /dev/null
+/* pg_dbms_stats/pg_dbms_stats--1.3.5.sql */
+
+-- complain if script is sourced in psql, rather than via CREATE EXTENSION
+\echo Use "CREATE EXTENSION pg_dbms_stats" to load this file. \quit
+
+-- define alias of anyarray type because parser does not allow to use
+-- anyarray in type definitions.
+--
+CREATE FUNCTION dbms_stats.anyarray_in(cstring) RETURNS dbms_stats.anyarray
+ AS 'anyarray_in' LANGUAGE internal STRICT IMMUTABLE;
+CREATE FUNCTION dbms_stats.anyarray_out(dbms_stats.anyarray) RETURNS cstring
+ AS 'anyarray_out' LANGUAGE internal STRICT IMMUTABLE;
+CREATE FUNCTION dbms_stats.anyarray_recv(internal) RETURNS dbms_stats.anyarray
+ AS 'MODULE_PATHNAME', 'dbms_stats_array_recv' LANGUAGE C STRICT IMMUTABLE;
+CREATE FUNCTION dbms_stats.anyarray_send(dbms_stats.anyarray) RETURNS bytea
+ AS 'anyarray_send' LANGUAGE internal STRICT IMMUTABLE;
+CREATE TYPE dbms_stats.anyarray (
+ INPUT = dbms_stats.anyarray_in,
+ OUTPUT = dbms_stats.anyarray_out,
+ RECEIVE = dbms_stats.anyarray_recv,
+ SEND = dbms_stats.anyarray_send,
+ INTERNALLENGTH = VARIABLE,
+ ALIGNMENT = double,
+ STORAGE = extended,
+ CATEGORY = 'P'
+);
+
+--
+-- User defined stats tables
+--
+
+CREATE TABLE dbms_stats._relation_stats_locked (
+ relid oid NOT NULL,
+ relname text NOT NULL,
+ relpages int4,
+ reltuples float4,
+ relallvisible int4,
+ curpages int4,
+ last_analyze timestamp with time zone,
+ last_autoanalyze timestamp with time zone,
+ PRIMARY KEY (relid)
+);
+
+CREATE TABLE dbms_stats._column_stats_locked (
+ starelid oid NOT NULL,
+ staattnum int2 NOT NULL,
+ stainherit bool NOT NULL,
+ stanullfrac float4,
+ stawidth int4,
+ stadistinct float4,
+ stakind1 int2,
+ stakind2 int2,
+ stakind3 int2,
+ stakind4 int2,
+ stakind5 int2,
+ staop1 oid,
+ staop2 oid,
+ staop3 oid,
+ staop4 oid,
+ staop5 oid,
+ stanumbers1 float4[],
+ stanumbers2 float4[],
+ stanumbers3 float4[],
+ stanumbers4 float4[],
+ stanumbers5 float4[],
+ stavalues1 dbms_stats.anyarray,
+ stavalues2 dbms_stats.anyarray,
+ stavalues3 dbms_stats.anyarray,
+ stavalues4 dbms_stats.anyarray,
+ stavalues5 dbms_stats.anyarray,
+ PRIMARY KEY (starelid, staattnum, stainherit),
+ FOREIGN KEY (starelid) REFERENCES dbms_stats._relation_stats_locked (relid) ON DELETE CASCADE
+);
+
+--
+-- Statistics backup tables
+--
+
+CREATE TABLE dbms_stats.backup_history (
+ id serial8 PRIMARY KEY,
+ time timestamp with time zone NOT NULL,
+ unit char(1) NOT NULL,
+ comment text
+);
+
+CREATE TABLE dbms_stats.relation_stats_backup (
+ id int8 NOT NULL,
+ relid oid NOT NULL,
+ relname text NOT NULL,
+ relpages int4 NOT NULL,
+ reltuples float4 NOT NULL,
+ relallvisible int4 NOT NULL,
+ curpages int4 NOT NULL,
+ last_analyze timestamp with time zone,
+ last_autoanalyze timestamp with time zone,
+ PRIMARY KEY (id, relid),
+ FOREIGN KEY (id) REFERENCES dbms_stats.backup_history (id) ON DELETE CASCADE
+);
+
+CREATE TABLE dbms_stats.column_stats_backup (
+ id int8 NOT NULL,
+ statypid oid NOT NULL,
+ starelid oid NOT NULL,
+ staattnum int2 NOT NULL,
+ stainherit bool NOT NULL,
+ stanullfrac float4 NOT NULL,
+ stawidth int4 NOT NULL,
+ stadistinct float4 NOT NULL,
+ stakind1 int2 NOT NULL,
+ stakind2 int2 NOT NULL,
+ stakind3 int2 NOT NULL,
+ stakind4 int2 NOT NULL,
+ stakind5 int2 NOT NULL,
+ staop1 oid NOT NULL,
+ staop2 oid NOT NULL,
+ staop3 oid NOT NULL,
+ staop4 oid NOT NULL,
+ staop5 oid NOT NULL,
+ stanumbers1 float4[],
+ stanumbers2 float4[],
+ stanumbers3 float4[],
+ stanumbers4 float4[],
+ stanumbers5 float4[],
+ stavalues1 dbms_stats.anyarray,
+ stavalues2 dbms_stats.anyarray,
+ stavalues3 dbms_stats.anyarray,
+ stavalues4 dbms_stats.anyarray,
+ stavalues5 dbms_stats.anyarray,
+ PRIMARY KEY (id, starelid, staattnum, stainherit),
+ FOREIGN KEY (id) REFERENCES dbms_stats.backup_history (id) ON DELETE CASCADE,
+ FOREIGN KEY (id, starelid) REFERENCES dbms_stats.relation_stats_backup (id, relid) ON DELETE CASCADE
+);
+
+--
+-- Functions
+--
+
+CREATE FUNCTION dbms_stats.relname(nspname text, relname text)
+RETURNS text AS
+$$SELECT quote_ident($1) || '.' || quote_ident($2)$$
+LANGUAGE sql STABLE STRICT;
+
+CREATE FUNCTION dbms_stats.is_system_schema(schemaname text)
+RETURNS boolean AS
+'MODULE_PATHNAME', 'dbms_stats_is_system_schema'
+LANGUAGE C IMMUTABLE STRICT;
+
+CREATE FUNCTION dbms_stats.is_system_catalog(relid regclass)
+RETURNS boolean AS
+'MODULE_PATHNAME', 'dbms_stats_is_system_catalog'
+LANGUAGE C STABLE;
+
+CREATE FUNCTION dbms_stats.is_target_relkind(relkind "char")
+RETURNS boolean AS
+$$SELECT $1 IN ('r', 'i', 'f', 'm')$$
+LANGUAGE sql STABLE;
+
+CREATE FUNCTION dbms_stats.merge(
+ lhs dbms_stats._column_stats_locked,
+ rhs pg_catalog.pg_statistic
+) RETURNS dbms_stats._column_stats_locked AS
+'MODULE_PATHNAME', 'dbms_stats_merge'
+LANGUAGE C STABLE;
+
+--
+-- Statistics views for internal use
+-- These views are used to merge authentic stats and dummy stats by hook
+-- function, so we don't grant SELECT privilege to PUBLIC.
+--
+
+CREATE VIEW dbms_stats.relation_stats_effective AS
+ SELECT
+ c.oid AS relid,
+ dbms_stats.relname(nspname, c.relname) AS relname,
+ COALESCE(v.relpages, c.relpages) AS relpages,
+ COALESCE(v.reltuples, c.reltuples) AS reltuples,
+ COALESCE(v.relallvisible, c.relallvisible) AS relallvisible,
+ COALESCE(v.curpages,
+ (pg_relation_size(c.oid) / current_setting('block_size')::int4)::int4)
+ AS curpages,
+ COALESCE(v.last_analyze,
+ pg_catalog.pg_stat_get_last_analyze_time(c.oid))
+ AS last_analyze,
+ COALESCE(v.last_autoanalyze,
+ pg_catalog.pg_stat_get_last_autoanalyze_time(c.oid))
+ AS last_autoanalyze
+ FROM pg_catalog.pg_class c
+ JOIN pg_catalog.pg_namespace n
+ ON c.relnamespace = n.oid
+ LEFT JOIN dbms_stats._relation_stats_locked v
+ ON v.relid = c.oid
+ WHERE dbms_stats.is_target_relkind(c.relkind)
+ AND NOT dbms_stats.is_system_schema(nspname);
+
+CREATE VIEW dbms_stats.column_stats_effective AS
+ SELECT * FROM (
+ SELECT (dbms_stats.merge(v, s)).*
+ FROM pg_catalog.pg_statistic s
+ FULL JOIN dbms_stats._column_stats_locked v
+ USING (starelid, staattnum, stainherit)
+ WHERE NOT dbms_stats.is_system_catalog(starelid)
+ AND EXISTS (
+ SELECT NULL
+ FROM pg_attribute a
+ WHERE a.attrelid = starelid
+ AND a.attnum = staattnum
+ AND a.attisdropped = false
+ )
+ ) m
+ WHERE starelid IS NOT NULL;
+
+--
+-- Statistics views for user use (including non-superusers)
+-- These views allow users to see dummy statistics about tables which the
+-- user has SELECT privilege.
+--
+
+CREATE VIEW dbms_stats.relation_stats_locked
+ AS SELECT *
+ FROM dbms_stats._relation_stats_locked;
+
+GRANT SELECT ON dbms_stats.relation_stats_locked TO PUBLIC;
+
+CREATE VIEW dbms_stats.column_stats_locked
+ AS SELECT *
+ FROM dbms_stats._column_stats_locked
+ WHERE has_column_privilege(starelid, staattnum, 'SELECT');
+
+GRANT SELECT ON dbms_stats.column_stats_locked TO PUBLIC;
+
+--
+-- Note: This view is copied from pg_stats in
+-- src/backend/catalog/system_views.sql in core source tree of version
+-- 9.3, and customized for pg_dbms_stats. Changes from orignal one are:
+-- - rename from pg_stats to dbms_stats.stats by a view name.
+-- - changed the table name from pg_statistic to dbms_stats.column_stats_effective.
+--
+CREATE VIEW dbms_stats.stats AS
+ SELECT
+ nspname AS schemaname,
+ relname AS tablename,
+ attname AS attname,
+ stainherit AS inherited,
+ stanullfrac AS null_frac,
+ stawidth AS avg_width,
+ stadistinct AS n_distinct,
+ CASE
+ WHEN stakind1 = 1 THEN stavalues1
+ WHEN stakind2 = 1 THEN stavalues2
+ WHEN stakind3 = 1 THEN stavalues3
+ WHEN stakind4 = 1 THEN stavalues4
+ WHEN stakind5 = 1 THEN stavalues5
+ END AS most_common_vals,
+ CASE
+ WHEN stakind1 = 1 THEN stanumbers1
+ WHEN stakind2 = 1 THEN stanumbers2
+ WHEN stakind3 = 1 THEN stanumbers3
+ WHEN stakind4 = 1 THEN stanumbers4
+ WHEN stakind5 = 1 THEN stanumbers5
+ END AS most_common_freqs,
+ CASE
+ WHEN stakind1 = 2 THEN stavalues1
+ WHEN stakind2 = 2 THEN stavalues2
+ WHEN stakind3 = 2 THEN stavalues3
+ WHEN stakind4 = 2 THEN stavalues4
+ WHEN stakind5 = 2 THEN stavalues5
+ END AS histogram_bounds,
+ CASE
+ WHEN stakind1 = 3 THEN stanumbers1[1]
+ WHEN stakind2 = 3 THEN stanumbers2[1]
+ WHEN stakind3 = 3 THEN stanumbers3[1]
+ WHEN stakind4 = 3 THEN stanumbers4[1]
+ WHEN stakind5 = 3 THEN stanumbers5[1]
+ END AS correlation,
+ CASE
+ WHEN stakind1 = 4 THEN stavalues1
+ WHEN stakind2 = 4 THEN stavalues2
+ WHEN stakind3 = 4 THEN stavalues3
+ WHEN stakind4 = 4 THEN stavalues4
+ WHEN stakind5 = 4 THEN stavalues5
+ END AS most_common_elems,
+ CASE
+ WHEN stakind1 = 4 THEN stanumbers1
+ WHEN stakind2 = 4 THEN stanumbers2
+ WHEN stakind3 = 4 THEN stanumbers3
+ WHEN stakind4 = 4 THEN stanumbers4
+ WHEN stakind5 = 4 THEN stanumbers5
+ END AS most_common_elem_freqs,
+ CASE
+ WHEN stakind1 = 5 THEN stanumbers1
+ WHEN stakind2 = 5 THEN stanumbers2
+ WHEN stakind3 = 5 THEN stanumbers3
+ WHEN stakind4 = 5 THEN stanumbers4
+ WHEN stakind5 = 5 THEN stanumbers5
+ END AS elem_count_histogram
+ FROM dbms_stats.column_stats_effective s JOIN pg_class c ON (c.oid = s.starelid)
+ JOIN pg_attribute a ON (c.oid = attrelid AND attnum = s.staattnum)
+ LEFT JOIN pg_namespace n ON (n.oid = c.relnamespace)
+ WHERE NOT attisdropped AND has_column_privilege(c.oid, a.attnum, 'select');
+
+GRANT SELECT ON dbms_stats.stats TO PUBLIC;
+
+--
+-- Utility functions
+--
+
+CREATE FUNCTION dbms_stats.invalidate_relation_cache()
+ RETURNS trigger AS
+ 'MODULE_PATHNAME', 'dbms_stats_invalidate_relation_cache'
+ LANGUAGE C;
+
+-- Invalidate cached plans when dbms_stats._relation_stats_locked is modified.
+CREATE TRIGGER invalidate_relation_cache
+ BEFORE INSERT OR DELETE OR UPDATE
+ ON dbms_stats._relation_stats_locked
+ FOR EACH ROW EXECUTE PROCEDURE dbms_stats.invalidate_relation_cache();
+
+CREATE FUNCTION dbms_stats.invalidate_column_cache()
+ RETURNS trigger AS
+ 'MODULE_PATHNAME', 'dbms_stats_invalidate_column_cache'
+ LANGUAGE C;
+
+-- Invalidate cached plans when dbms_stats._column_stats_locked is modified.
+CREATE TRIGGER invalidate_column_cache
+ BEFORE INSERT OR DELETE OR UPDATE
+ ON dbms_stats._column_stats_locked
+ FOR EACH ROW EXECUTE PROCEDURE dbms_stats.invalidate_column_cache();
+
+--
+-- BACKUP_STATS: Statistics backup functions
+--
+
+CREATE FUNCTION dbms_stats.backup(
+ backup_id int8,
+ relid regclass,
+ attnum int2
+) RETURNS int8 AS
+$$
+/* Lock the backup id */
+SELECT * from dbms_stats.backup_history
+ WHERE id = $1 FOR UPDATE;
+
+INSERT INTO dbms_stats.relation_stats_backup
+ SELECT $1, v.relid, v.relname, v.relpages, v.reltuples, v.relallvisible,
+ v.curpages, v.last_analyze, v.last_autoanalyze
+ FROM pg_catalog.pg_class c,
+ dbms_stats.relation_stats_effective v
+ WHERE c.oid = v.relid
+ AND dbms_stats.is_target_relkind(relkind)
+ AND NOT dbms_stats.is_system_catalog(v.relid)
+ AND (v.relid = $2 OR $2 IS NULL);
+
+INSERT INTO dbms_stats.column_stats_backup
+ SELECT $1, atttypid, s.*
+ FROM pg_catalog.pg_class c,
+ dbms_stats.column_stats_effective s,
+ pg_catalog.pg_attribute a
+ WHERE c.oid = starelid
+ AND starelid = attrelid
+ AND staattnum = attnum
+ AND dbms_stats.is_target_relkind(relkind)
+ AND NOT dbms_stats.is_system_catalog(c.oid)
+ AND ($2 IS NULL OR starelid = $2)
+ AND ($3 IS NULL OR staattnum = $3);
+
+SELECT $1;
+$$
+LANGUAGE sql;
+
+CREATE FUNCTION dbms_stats.backup(
+ relid regclass DEFAULT NULL,
+ attname text DEFAULT NULL,
+ comment text DEFAULT NULL
+) RETURNS int8 AS
+$$
+DECLARE
+ backup_id int8;
+ backup_relkind "char";
+ set_attnum int2;
+ unit_type char;
+BEGIN
+ IF $1 IS NULL AND $2 IS NOT NULL THEN
+ RAISE EXCEPTION 'relation required';
+ END IF;
+ IF $1 IS NOT NULL THEN
+ SELECT relkind INTO backup_relkind
+ FROM pg_catalog.pg_class WHERE oid = $1 FOR SHARE;
+ IF NOT FOUND THEN
+ RAISE EXCEPTION 'relation "%" not found', $1;
+ END IF;
+ IF NOT dbms_stats.is_target_relkind(backup_relkind) THEN
+ RAISE EXCEPTION 'relation of relkind "%" cannot have statistics to backup: "%"',
+ backup_relkind, $1
+ USING HINT = 'Only tables(r), materialized views(m), foreign tables(f) and indexes(i) are allowed.';
+ END IF;
+ IF dbms_stats.is_system_catalog($1) THEN
+ RAISE EXCEPTION 'backing up statistics is inhibited for system catalogs: "%"', $1;
+ END IF;
+ IF $2 IS NOT NULL THEN
+ SELECT a.attnum INTO set_attnum FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = $1 AND a.attname = $2 FOR SHARE;
+ IF set_attnum IS NULL THEN
+ RAISE EXCEPTION 'column "%" not found in relation "%"', $2, $1;
+ END IF;
+ IF NOT EXISTS(SELECT * FROM dbms_stats.column_stats_effective WHERE starelid = $1 AND staattnum = set_attnum) THEN
+ RAISE EXCEPTION 'no statistics available for column "%" of relation "%"', $2, $1;
+ END IF;
+ unit_type = 'c';
+ ELSE
+ unit_type = 't';
+ END IF;
+ ELSE
+ unit_type = 'd';
+ END IF;
+
+ INSERT INTO dbms_stats.backup_history(time, unit, comment)
+ VALUES (current_timestamp, unit_type, $3)
+ RETURNING dbms_stats.backup(id, $1, set_attnum) INTO backup_id;
+ RETURN backup_id;
+END;
+$$
+LANGUAGE plpgsql;
+
+CREATE FUNCTION dbms_stats.backup_database_stats(
+ comment text
+) RETURNS int8 AS
+$$
+SELECT dbms_stats.backup(NULL, NULL, $1)
+$$
+LANGUAGE sql;
+
+CREATE FUNCTION dbms_stats.backup_schema_stats(
+ schemaname text,
+ comment text
+) RETURNS int8 AS
+$$
+DECLARE
+ backup_id int8;
+BEGIN
+ IF NOT EXISTS(SELECT * FROM pg_namespace WHERE nspname = $1 FOR SHARE)
+ THEN
+ RAISE EXCEPTION 'schema "%" not found', $1;
+ END IF;
+ IF dbms_stats.is_system_schema($1) THEN
+ RAISE EXCEPTION 'backing up statistics is inhibited for system schemas: "%"', $1;
+ END IF;
+
+ INSERT INTO dbms_stats.backup_history(time, unit, comment)
+ VALUES (current_timestamp, 's', comment)
+ RETURNING id INTO backup_id;
+
+ PERFORM dbms_stats.backup(backup_id, cn.oid, NULL)
+ FROM (SELECT c.oid
+ FROM pg_catalog.pg_class c,
+ pg_catalog.pg_namespace n
+ WHERE n.nspname = schemaname
+ AND c.relnamespace = n.oid
+ AND dbms_stats.is_target_relkind(c.relkind)
+ ORDER BY c.oid
+ ) cn;
+
+ RETURN backup_id;
+END;
+$$
+LANGUAGE plpgsql;
+
+CREATE FUNCTION dbms_stats.backup_table_stats(
+ relid regclass,
+ comment text
+) RETURNS int8 AS
+$$
+SELECT dbms_stats.backup($1, NULL, $2)
+$$
+LANGUAGE sql;
+
+CREATE FUNCTION dbms_stats.backup_table_stats(
+ schemaname text,
+ tablename text,
+ comment text
+) RETURNS int8 AS
+$$
+SELECT dbms_stats.backup(dbms_stats.relname($1, $2)::regclass, NULL, $3)
+$$
+LANGUAGE sql;
+
+CREATE FUNCTION dbms_stats.backup_column_stats(
+ relid regclass,
+ attname text,
+ comment text
+) RETURNS int8 AS
+$$
+SELECT dbms_stats.backup($1, $2, $3)
+$$
+LANGUAGE sql;
+
+CREATE FUNCTION dbms_stats.backup_column_stats(
+ schemaname text,
+ tablename text,
+ attname text,
+ comment text
+) RETURNS int8 AS
+$$
+SELECT dbms_stats.backup(dbms_stats.relname($1, $2)::regclass, $3, $4)
+$$
+LANGUAGE sql;
+
+--
+-- RESTORE_STATS: Statistics restore functions
+--
+CREATE FUNCTION dbms_stats.restore(
+ backup_id int8,
+ relid regclass DEFAULT NULL,
+ attname text DEFAULT NULL
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ restore_id int8;
+ restore_relid regclass;
+ restore_attnum int2;
+ set_attnum int2;
+ restore_attname text;
+ restore_type regtype;
+ cur_type regtype;
+BEGIN
+ IF $1 IS NULL THEN
+ RAISE EXCEPTION 'backup id required';
+ END IF;
+ IF $2 IS NULL AND $3 IS NOT NULL THEN
+ RAISE EXCEPTION 'relation required';
+ END IF;
+ IF NOT EXISTS(SELECT * FROM dbms_stats.backup_history
+ WHERE id <= $1 FOR SHARE) THEN
+ RAISE EXCEPTION 'backup id % not found', $1;
+ END IF;
+ IF $2 IS NOT NULL THEN
+ IF NOT EXISTS(SELECT * FROM pg_catalog.pg_class
+ WHERE oid = $2 FOR SHARE) THEN
+ RAISE EXCEPTION 'relation "%" not found', $2;
+ END IF;
+ -- Grabbing all backups for the relation which is not used in restore.
+ IF NOT EXISTS(SELECT * FROM dbms_stats.relation_stats_backup b
+ WHERE b.id <= $1 AND b.relid = $2 FOR SHARE) THEN
+ RAISE EXCEPTION 'statistics of relation "%" not found in any backups before backup id = %', $2, $1;
+ END IF;
+ IF $3 IS NOT NULL THEN
+ SELECT a.attnum INTO set_attnum FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = $2 AND a.attname = $3;
+ IF set_attnum IS NULL THEN
+ RAISE EXCEPTION 'column "%" not found in relation %', $3, $2;
+ END IF;
+ IF NOT EXISTS(SELECT * FROM dbms_stats.column_stats_backup WHERE id <= $1 AND starelid = $2 AND staattnum = set_attnum) THEN
+ RAISE EXCEPTION 'statistics of column "%" of relation "%" are not found in any backups before',$3, $2, $1;
+ END IF;
+ END IF;
+ PERFORM * FROM dbms_stats._relation_stats_locked r
+ WHERE r.relid = $2 FOR UPDATE;
+ ELSE
+ /* Lock the whole relation stats if relation is not specified.*/
+ LOCK dbms_stats._relation_stats_locked IN EXCLUSIVE MODE;
+ END IF;
+
+ FOR restore_id, restore_relid IN
+ SELECT max(id), coid FROM
+ (SELECT b.id as id, c.oid as coid
+ FROM pg_class c, dbms_stats.relation_stats_backup b
+ WHERE (c.oid = $2 OR $2 IS NULL)
+ AND c.oid = b.relid
+ AND dbms_stats.is_target_relkind(c.relkind)
+ AND NOT dbms_stats.is_system_catalog(c.oid)
+ AND b.id <= $1
+ FOR SHARE) t
+ GROUP BY coid
+ ORDER BY coid::regclass::text
+ LOOP
+ UPDATE dbms_stats._relation_stats_locked r
+ SET relid = b.relid,
+ relname = b.relname,
+ relpages = b.relpages,
+ reltuples = b.reltuples,
+ relallvisible = b.relallvisible,
+ curpages = b.curpages,
+ last_analyze = b.last_analyze,
+ last_autoanalyze = b.last_autoanalyze
+ FROM dbms_stats.relation_stats_backup b
+ WHERE r.relid = restore_relid
+ AND b.id = restore_id
+ AND b.relid = restore_relid;
+ IF NOT FOUND THEN
+ INSERT INTO dbms_stats._relation_stats_locked
+ SELECT b.relid,
+ b.relname,
+ b.relpages,
+ b.reltuples,
+ b.relallvisible,
+ b.curpages,
+ b.last_analyze,
+ b.last_autoanalyze
+ FROM dbms_stats.relation_stats_backup b
+ WHERE b.id = restore_id
+ AND b.relid = restore_relid;
+ END IF;
+ RETURN NEXT restore_relid;
+ END LOOP;
+
+ FOR restore_id, restore_relid, restore_attnum, restore_type, cur_type IN
+ SELECT t.id, t.oid, t.attnum, b.statypid, a.atttypid
+ FROM pg_attribute a,
+ dbms_stats.column_stats_backup b,
+ (SELECT max(b.id) AS id, c.oid, a.attnum
+ FROM pg_class c, pg_attribute a, dbms_stats.column_stats_backup b
+ WHERE (c.oid = $2 OR $2 IS NULL)
+ AND c.oid = a.attrelid
+ AND c.oid = b.starelid
+ AND (a.attnum = set_attnum OR set_attnum IS NULL)
+ AND a.attnum = b.staattnum
+ AND NOT a.attisdropped
+ AND dbms_stats.is_target_relkind(c.relkind)
+ AND b.id <= $1
+ GROUP BY c.oid, a.attnum) t
+ WHERE a.attrelid = t.oid
+ AND a.attnum = t.attnum
+ AND b.id = t.id
+ AND b.starelid = t.oid
+ AND b.staattnum = t.attnum
+ LOOP
+ IF restore_type <> cur_type THEN
+ SELECT a.attname INTO restore_attname
+ FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = restore_relid
+ AND a.attnum = restore_attnum;
+ RAISE WARNING 'data type of column "%.%" is inconsistent between database(%) and backup (%). Skip.',
+ restore_relid, restore_attname, cur_type, restore_type;
+ ELSE
+ DELETE FROM dbms_stats._column_stats_locked
+ WHERE starelid = restore_relid
+ AND staattnum = restore_attnum;
+ INSERT INTO dbms_stats._column_stats_locked
+ SELECT starelid, staattnum, stainherit,
+ stanullfrac, stawidth, stadistinct,
+ stakind1, stakind2, stakind3, stakind4, stakind5,
+ staop1, staop2, staop3, staop4, staop5,
+ stanumbers1, stanumbers2, stanumbers3, stanumbers4, stanumbers5,
+ stavalues1, stavalues2, stavalues3, stavalues4, stavalues5
+ FROM dbms_stats.column_stats_backup
+ WHERE id = restore_id
+ AND starelid = restore_relid
+ AND staattnum = restore_attnum;
+ END IF;
+ END LOOP;
+EXCEPTION
+ WHEN unique_violation THEN
+ RAISE EXCEPTION 'This operation is canceled by simultaneous lock or restore operation on the same relation.';
+END;
+$$
+LANGUAGE plpgsql;
+
+CREATE FUNCTION dbms_stats.restore_database_stats(
+ as_of_timestamp timestamp with time zone
+) RETURNS SETOF regclass AS
+$$
+SELECT dbms_stats.restore(m.id, m.relid)
+ FROM (SELECT max(id) AS id, relid
+ FROM (SELECT r.id, r.relid
+ FROM pg_class c, dbms_stats.relation_stats_backup r,
+ dbms_stats.backup_history b
+ WHERE c.oid = r.relid
+ AND r.id = b.id
+ AND b.time <= $1
+ FOR SHARE) t1
+ GROUP BY t1.relid
+ ORDER BY t1.relid) m;
+$$
+LANGUAGE sql STRICT;
+
+CREATE FUNCTION dbms_stats.restore_schema_stats(
+ schemaname text,
+ as_of_timestamp timestamp with time zone
+) RETURNS SETOF regclass AS
+$$
+BEGIN
+ IF NOT EXISTS(SELECT * FROM pg_namespace WHERE nspname = $1) THEN
+ RAISE EXCEPTION 'schema "%" not found', $1;
+ END IF;
+ IF dbms_stats.is_system_schema($1) THEN
+ RAISE EXCEPTION 'restoring statistics is inhibited for system schemas: "%"', $1;
+ END IF;
+
+ RETURN QUERY
+ SELECT dbms_stats.restore(m.id, m.relid)
+ FROM (SELECT max(id) AS id, relid
+ FROM (SELECT r.id, r.relid
+ FROM pg_class c, pg_namespace n,
+ dbms_stats.relation_stats_backup r,
+ dbms_stats.backup_history b
+ WHERE c.oid = r.relid
+ AND c.relnamespace = n.oid
+ AND n.nspname = $1
+ AND r.id = b.id
+ AND b.time <= $2
+ FOR SHARE) t1
+ GROUP BY t1.relid
+ ORDER BY t1.relid) m;
+END;
+$$
+LANGUAGE plpgsql STRICT;
+
+CREATE FUNCTION dbms_stats.restore_table_stats(
+ relid regclass,
+ as_of_timestamp timestamp with time zone
+) RETURNS SETOF regclass AS
+$$
+SELECT dbms_stats.restore(max(id), $1, NULL)
+ FROM dbms_stats.backup_history WHERE time <= $2
+$$
+LANGUAGE sql STRICT;
+
+CREATE FUNCTION dbms_stats.restore_table_stats(
+ schemaname text,
+ tablename text,
+ as_of_timestamp timestamp with time zone
+) RETURNS SETOF regclass AS
+$$
+SELECT dbms_stats.restore_table_stats(dbms_stats.relname($1, $2)::regclass, $3)
+$$
+LANGUAGE sql STRICT;
+
+CREATE FUNCTION dbms_stats.restore_column_stats(
+ relid regclass,
+ attname text,
+ as_of_timestamp timestamp with time zone
+) RETURNS SETOF regclass AS
+$$
+SELECT dbms_stats.restore(max(id), $1, $2)
+ FROM dbms_stats.backup_history WHERE time <= $3
+$$
+LANGUAGE sql STRICT;
+
+CREATE FUNCTION dbms_stats.restore_column_stats(
+ schemaname text,
+ tablename text,
+ attname text,
+ as_of_timestamp timestamp with time zone
+) RETURNS SETOF regclass AS
+$$
+SELECT dbms_stats.restore(max(id), dbms_stats.relname($1, $2)::regclass, $3)
+ FROM dbms_stats.backup_history WHERE time <= $4
+$$
+LANGUAGE sql STRICT;
+
+CREATE FUNCTION dbms_stats.restore_stats(
+ backup_id int8
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ restore_relid regclass;
+ restore_attnum int2;
+ restore_attname text;
+ restore_type regtype;
+ cur_type regtype;
+BEGIN
+ IF NOT EXISTS(SELECT * FROM dbms_stats.backup_history WHERE id = $1) THEN
+ RAISE EXCEPTION 'backup id % not found', $1;
+ END IF;
+
+ /* Lock the backup */
+ PERFORM * from dbms_stats.relation_stats_backup b
+ WHERE id = $1 FOR SHARE;
+
+ /* Locking only _relation_stats_locked is sufficient */
+ LOCK dbms_stats._relation_stats_locked IN EXCLUSIVE MODE;
+
+ FOR restore_relid IN
+ SELECT b.relid
+ FROM pg_class c
+ JOIN dbms_stats.relation_stats_backup b ON (c.oid = b.relid)
+ WHERE b.id = $1
+ ORDER BY c.oid::regclass::text
+ LOOP
+ UPDATE dbms_stats._relation_stats_locked r
+ SET relid = b.relid,
+ relname = b.relname,
+ relpages = b.relpages,
+ reltuples = b.reltuples,
+ relallvisible = b.relallvisible,
+ curpages = b.curpages,
+ last_analyze = b.last_analyze,
+ last_autoanalyze = b.last_autoanalyze
+ FROM dbms_stats.relation_stats_backup b
+ WHERE r.relid = restore_relid
+ AND b.id = $1
+ AND b.relid = restore_relid;
+ IF NOT FOUND THEN
+ INSERT INTO dbms_stats._relation_stats_locked
+ SELECT b.relid,
+ b.relname,
+ b.relpages,
+ b.reltuples,
+ b.relallvisible,
+ b.curpages,
+ b.last_analyze,
+ b.last_autoanalyze
+ FROM dbms_stats.relation_stats_backup b
+ WHERE b.id = $1
+ AND b.relid = restore_relid;
+ END IF;
+ RETURN NEXT restore_relid;
+ END LOOP;
+
+ FOR restore_relid, restore_attnum, restore_type, cur_type IN
+ SELECT c.oid, a.attnum, b.statypid, a.atttypid
+ FROM pg_class c
+ JOIN dbms_stats.column_stats_backup b ON (c.oid = b.starelid)
+ JOIN pg_attribute a ON (b.starelid = attrelid
+ AND b.staattnum = a.attnum)
+ WHERE b.id = $1
+ LOOP
+ IF restore_type <> cur_type THEN
+ SELECT attname INTO restore_attname
+ FROM pg_catalog.pg_attribute
+ WHERE attrelid = restore_relid
+ AND attnum = restore_attnum;
+ RAISE WARNING 'data type of column "%.%" is inconsistent between database(%) and backup (%). Skip.',
+ restore_relid, restore_attname, cur_type, restore_type;
+ ELSE
+ DELETE FROM dbms_stats._column_stats_locked
+ WHERE starelid = restore_relid
+ AND staattnum = restore_attnum;
+ INSERT INTO dbms_stats._column_stats_locked
+ SELECT starelid, staattnum, stainherit,
+ stanullfrac, stawidth, stadistinct,
+ stakind1, stakind2, stakind3, stakind4, stakind5,
+ staop1, staop2, staop3, staop4, staop5,
+ stanumbers1, stanumbers2, stanumbers3, stanumbers4, stanumbers5,
+ stavalues1, stavalues2, stavalues3, stavalues4, stavalues5
+ FROM dbms_stats.column_stats_backup
+ WHERE id = $1
+ AND starelid = restore_relid
+ AND staattnum = restore_attnum;
+ END IF;
+ END LOOP;
+
+END;
+$$
+LANGUAGE plpgsql STRICT;
+
+--
+-- LOCK_STATS: Statistics lock functions
+--
+
+CREATE FUNCTION dbms_stats.lock(
+ relid regclass,
+ attname text
+) RETURNS regclass AS
+$$
+DECLARE
+ lock_relkind "char";
+ set_attnum int2;
+ r record;
+BEGIN
+ IF $1 IS NULL THEN
+ RAISE EXCEPTION 'relation required';
+ END IF;
+ IF $2 IS NULL THEN
+ RETURN dbms_stats.lock($1);
+ END IF;
+ SELECT relkind INTO lock_relkind FROM pg_catalog.pg_class WHERE oid = $1;
+ IF NOT FOUND THEN
+ RAISE EXCEPTION 'relation "%" not found', $1;
+ END IF;
+ IF NOT dbms_stats.is_target_relkind(lock_relkind) THEN
+ RAISE EXCEPTION '"%" must be a table or an index', $1;
+ END IF;
+ IF EXISTS(SELECT * FROM pg_catalog.pg_index WHERE lock_relkind = 'i' AND indexrelid = $1 AND indexprs IS NULL) THEN
+ RAISE EXCEPTION '"%" must be an expression index', $1;
+ END IF;
+ IF dbms_stats.is_system_catalog($1) THEN
+ RAISE EXCEPTION 'locking statistics is inhibited for system catalogs: "%"', $1;
+ END IF;
+ SELECT a.attnum INTO set_attnum FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = $1 AND a.attname = $2;
+ IF set_attnum IS NULL THEN
+ RAISE EXCEPTION 'column "%" not found in relation "%"', $2, $1;
+ END IF;
+
+ /*
+ * If we don't have per-table statistics, create new one which has NULL for
+ * every statistic value for column_stats_effective.
+ */
+ IF NOT EXISTS(SELECT * FROM dbms_stats._relation_stats_locked ru
+ WHERE ru.relid = $1 FOR SHARE) THEN
+ INSERT INTO dbms_stats._relation_stats_locked
+ SELECT $1, dbms_stats.relname(nspname, relname),
+ NULL, NULL, NULL, NULL, NULL
+ FROM pg_catalog.pg_class c, pg_catalog.pg_namespace n
+ WHERE c.relnamespace = n.oid
+ AND c.oid = $1;
+ END IF;
+
+ /*
+ * Process for per-column statistics
+ */
+ FOR r IN
+ SELECT stainherit, stanullfrac, stawidth, stadistinct,
+ stakind1, stakind2, stakind3, stakind4, stakind5,
+ staop1, staop2, staop3, staop4, staop5,
+ stanumbers1, stanumbers2, stanumbers3, stanumbers4, stanumbers5,
+ stavalues1, stavalues2, stavalues3, stavalues4, stavalues5
+ FROM dbms_stats.column_stats_effective
+ WHERE starelid = $1
+ AND staattnum = set_attnum
+ LOOP
+ UPDATE dbms_stats._column_stats_locked c
+ SET stanullfrac = r.stanullfrac,
+ stawidth = r.stawidth,
+ stadistinct = r.stadistinct,
+ stakind1 = r.stakind1,
+ stakind2 = r.stakind2,
+ stakind3 = r.stakind3,
+ stakind4 = r.stakind4,
+ stakind5 = r.stakind5,
+ staop1 = r.staop1,
+ staop2 = r.staop2,
+ staop3 = r.staop3,
+ staop4 = r.staop4,
+ staop5 = r.staop5,
+ stanumbers1 = r.stanumbers1,
+ stanumbers2 = r.stanumbers2,
+ stanumbers3 = r.stanumbers3,
+ stanumbers4 = r.stanumbers4,
+ stanumbers5 = r.stanumbers5,
+ stavalues1 = r.stavalues1,
+ stavalues2 = r.stavalues2,
+ stavalues3 = r.stavalues3,
+ stavalues4 = r.stavalues4,
+ stavalues5 = r.stavalues5
+ WHERE c.starelid = $1
+ AND c.staattnum = set_attnum
+ AND c.stainherit = r.stainherit;
+
+ IF NOT FOUND THEN
+ INSERT INTO dbms_stats._column_stats_locked
+ VALUES ($1,
+ set_attnum,
+ r.stainherit,
+ r.stanullfrac,
+ r.stawidth,
+ r.stadistinct,
+ r.stakind1,
+ r.stakind2,
+ r.stakind3,
+ r.stakind4,
+ r.stakind5,
+ r.staop1,
+ r.staop2,
+ r.staop3,
+ r.staop4,
+ r.staop5,
+ r.stanumbers1,
+ r.stanumbers2,
+ r.stanumbers3,
+ r.stanumbers4,
+ r.stanumbers5,
+ r.stavalues1,
+ r.stavalues2,
+ r.stavalues3,
+ r.stavalues4,
+ r.stavalues5);
+ END IF;
+ END LOOP;
+
+ /* If we don't have statistics at all, raise error. */
+ IF NOT FOUND THEN
+ RAISE EXCEPTION 'no statistics available for column "%" of relation "%"', $2, $1::regclass;
+ END IF;
+
+ RETURN $1;
+EXCEPTION
+ WHEN unique_violation THEN
+ RAISE EXCEPTION 'This operation is canceled by simultaneous lock or restore operation on the same relation.';
+END;
+$$
+LANGUAGE plpgsql;
+
+CREATE FUNCTION dbms_stats.lock(relid regclass)
+ RETURNS regclass AS
+$$
+DECLARE
+ lock_relkind "char";
+ i record;
+BEGIN
+ IF $1 IS NULL THEN
+ RAISE EXCEPTION 'relation required';
+ END IF;
+ SELECT relkind INTO lock_relkind FROM pg_catalog.pg_class WHERE oid = $1;
+ IF NOT FOUND THEN
+ RAISE EXCEPTION 'relation "%" not found', $1;
+ END IF;
+ IF NOT dbms_stats.is_target_relkind(lock_relkind) THEN
+ RAISE EXCEPTION 'locking statistics is not allowed for relations with relkind "%": "%"', lock_relkind, $1
+ USING HINT = 'Only tables(r, m, f) and indexes(i) are lockable.';
+ END IF;
+ IF dbms_stats.is_system_catalog($1) THEN
+ RAISE EXCEPTION 'locking statistics is not allowed for system catalogs: "%"', $1;
+ END IF;
+
+ UPDATE dbms_stats._relation_stats_locked r
+ SET relname = dbms_stats.relname(nspname, c.relname),
+ relpages = v.relpages,
+ reltuples = v.reltuples,
+ relallvisible = v.relallvisible,
+ curpages = v.curpages,
+ last_analyze = v.last_analyze,
+ last_autoanalyze = v.last_autoanalyze
+ FROM pg_catalog.pg_class c,
+ pg_catalog.pg_namespace n,
+ dbms_stats.relation_stats_effective v
+ WHERE r.relid = $1
+ AND c.oid = $1
+ AND c.relnamespace = n.oid
+ AND v.relid = $1;
+ IF NOT FOUND THEN
+ INSERT INTO dbms_stats._relation_stats_locked
+ SELECT $1, dbms_stats.relname(nspname, c.relname),
+ v.relpages, v.reltuples, v.relallvisible, v.curpages,
+ v.last_analyze, v.last_autoanalyze
+ FROM pg_catalog.pg_class c,
+ pg_catalog.pg_namespace n,
+ dbms_stats.relation_stats_effective v
+ WHERE c.oid = $1
+ AND c.relnamespace = n.oid
+ AND v.relid = $1;
+ END IF;
+
+ IF EXISTS(SELECT *
+ FROM pg_catalog.pg_class c LEFT JOIN pg_catalog.pg_index ind
+ ON c.oid = ind.indexrelid
+ WHERE c.oid = $1
+ AND c.relkind = 'i'
+ AND ind.indexprs IS NULL) THEN
+ RETURN $1;
+ END IF;
+
+ FOR i IN
+ SELECT staattnum, stainherit, stanullfrac,
+ stawidth, stadistinct,
+ stakind1, stakind2, stakind3, stakind4, stakind5,
+ staop1, staop2, staop3, staop4, staop5,
+ stanumbers1, stanumbers2, stanumbers3, stanumbers4, stanumbers5,
+ stavalues1, stavalues2, stavalues3, stavalues4, stavalues5
+ FROM dbms_stats.column_stats_effective
+ WHERE starelid = $1
+ LOOP
+ UPDATE dbms_stats._column_stats_locked c
+ SET stanullfrac = i.stanullfrac,
+ stawidth = i.stawidth,
+ stadistinct = i.stadistinct,
+ stakind1 = i.stakind1,
+ stakind2 = i.stakind2,
+ stakind3 = i.stakind3,
+ stakind4 = i.stakind4,
+ stakind5 = i.stakind5,
+ staop1 = i.staop1,
+ staop2 = i.staop2,
+ staop3 = i.staop3,
+ staop4 = i.staop4,
+ staop5 = i.staop5,
+ stanumbers1 = i.stanumbers1,
+ stanumbers2 = i.stanumbers2,
+ stanumbers3 = i.stanumbers3,
+ stanumbers4 = i.stanumbers4,
+ stanumbers5 = i.stanumbers5,
+ stavalues1 = i.stavalues1,
+ stavalues2 = i.stavalues2,
+ stavalues3 = i.stavalues3,
+ stavalues4 = i.stavalues4,
+ stavalues5 = i.stavalues5
+ WHERE c.starelid = $1
+ AND c.staattnum = i.staattnum
+ AND c.stainherit = i.stainherit;
+
+ IF NOT FOUND THEN
+ INSERT INTO dbms_stats._column_stats_locked
+ VALUES ($1,
+ i.staattnum,
+ i.stainherit,
+ i.stanullfrac,
+ i.stawidth,
+ i.stadistinct,
+ i.stakind1,
+ i.stakind2,
+ i.stakind3,
+ i.stakind4,
+ i.stakind5,
+ i.staop1,
+ i.staop2,
+ i.staop3,
+ i.staop4,
+ i.staop5,
+ i.stanumbers1,
+ i.stanumbers2,
+ i.stanumbers3,
+ i.stanumbers4,
+ i.stanumbers5,
+ i.stavalues1,
+ i.stavalues2,
+ i.stavalues3,
+ i.stavalues4,
+ i.stavalues5);
+ END IF;
+ END LOOP;
+
+ RETURN $1;
+EXCEPTION
+ WHEN unique_violation THEN
+ RAISE EXCEPTION 'This operation is canceled by simultaneous lock operation on the same relation.';
+END;
+$$
+LANGUAGE plpgsql;
+
+CREATE FUNCTION dbms_stats.lock_database_stats()
+ RETURNS SETOF regclass AS
+$$
+SELECT dbms_stats.lock(c.oid)
+ FROM (SELECT oid
+ FROM pg_catalog.pg_class
+ WHERE NOT dbms_stats.is_system_catalog(oid)
+ AND dbms_stats.is_target_relkind(relkind)
+ ORDER BY pg_class.oid
+ ) c;
+$$
+LANGUAGE sql;
+
+CREATE FUNCTION dbms_stats.lock_schema_stats(
+ schemaname text
+) RETURNS SETOF regclass AS
+$$
+BEGIN
+ IF NOT EXISTS(SELECT * FROM pg_namespace WHERE nspname = $1) THEN
+ RAISE EXCEPTION 'schema "%" not found', $1;
+ END IF;
+ IF dbms_stats.is_system_schema($1) THEN
+ RAISE EXCEPTION 'locking statistics is not allowed for system schemas: "%"', $1;
+ END IF;
+
+ RETURN QUERY
+ SELECT dbms_stats.lock(cn.oid)
+ FROM (SELECT c.oid
+ FROM pg_class c, pg_namespace n
+ WHERE c.relnamespace = n.oid
+ AND dbms_stats.is_target_relkind(c.relkind)
+ AND n.nspname = $1
+ ORDER BY c.oid
+ ) cn;
+END;
+$$
+LANGUAGE plpgsql STRICT;
+
+CREATE FUNCTION dbms_stats.lock_table_stats(relid regclass)
+ RETURNS regclass AS
+$$
+SELECT dbms_stats.lock($1)
+$$
+LANGUAGE sql STRICT;
+
+CREATE FUNCTION dbms_stats.lock_table_stats(
+ schemaname text,
+ tablename text
+) RETURNS regclass AS
+$$
+SELECT dbms_stats.lock(dbms_stats.relname($1, $2)::regclass)
+$$
+LANGUAGE sql STRICT;
+
+CREATE FUNCTION dbms_stats.lock_column_stats(
+ relid regclass,
+ attname text
+) RETURNS regclass AS
+$$
+SELECT dbms_stats.lock($1, $2)
+$$
+LANGUAGE sql STRICT;
+
+CREATE FUNCTION dbms_stats.lock_column_stats(
+ schemaname text,
+ tablename text,
+ attname text
+) RETURNS regclass AS
+$$
+SELECT dbms_stats.lock(dbms_stats.relname($1, $2)::regclass, $3)
+$$
+LANGUAGE sql STRICT;
+
+--
+-- UNLOCK_STATS: Statistics unlock functions
+--
+
+CREATE FUNCTION dbms_stats.unlock(
+ relid regclass DEFAULT NULL,
+ attname text DEFAULT NULL
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ set_attnum int2;
+ unlock_id int8;
+BEGIN
+ IF $1 IS NULL AND $2 IS NOT NULL THEN
+ RAISE EXCEPTION 'relation required';
+ END IF;
+
+ /*
+ * Lock the target relation to prevent conflicting with stats lock/restore
+ */
+ PERFORM * FROM dbms_stats._relation_stats_locked ru
+ WHERE (ru.relid = $1 OR $1 IS NULL) FOR UPDATE;
+
+ SELECT a.attnum INTO set_attnum FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = $1 AND a.attname = $2;
+ IF $2 IS NOT NULL AND set_attnum IS NULL THEN
+ RAISE EXCEPTION 'column "%" not found in relation "%"', $2, $1;
+ END IF;
+
+ DELETE FROM dbms_stats._column_stats_locked
+ WHERE (starelid = $1 OR $1 IS NULL)
+ AND (staattnum = set_attnum OR $2 IS NULL);
+
+ IF $1 IS NOT NULL AND $2 IS NOT NULL THEN
+ RETURN QUERY
+ SELECT $1;
+ END IF;
+ FOR unlock_id IN
+ SELECT ru.relid
+ FROM dbms_stats._relation_stats_locked ru
+ WHERE (ru.relid = $1 OR $1 IS NULL) AND ($2 IS NULL)
+ ORDER BY ru.relid
+ LOOP
+ DELETE FROM dbms_stats._relation_stats_locked ru
+ WHERE ru.relid = unlock_id;
+ RETURN NEXT unlock_id;
+ END LOOP;
+END;
+$$
+LANGUAGE plpgsql;
+
+CREATE FUNCTION dbms_stats.unlock_database_stats()
+ RETURNS SETOF regclass AS
+$$
+DECLARE
+ unlock_id int8;
+BEGIN
+ LOCK dbms_stats._relation_stats_locked IN EXCLUSIVE MODE;
+
+ FOR unlock_id IN
+ SELECT relid
+ FROM dbms_stats._relation_stats_locked
+ ORDER BY relid
+ LOOP
+ DELETE FROM dbms_stats._relation_stats_locked
+ WHERE relid = unlock_id;
+ RETURN NEXT unlock_id;
+ END LOOP;
+END;
+$$
+LANGUAGE plpgsql STRICT;
+
+CREATE FUNCTION dbms_stats.unlock_schema_stats(
+ schemaname text
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ unlock_id int8;
+BEGIN
+ IF NOT EXISTS(SELECT * FROM pg_namespace WHERE nspname = $1) THEN
+ RAISE EXCEPTION 'schema "%" not found', $1;
+ END IF;
+ IF dbms_stats.is_system_schema($1) THEN
+ RAISE EXCEPTION 'unlocking statistics is not allowed for system schemas: "%"', $1;
+ END IF;
+
+ FOR unlock_id IN
+ SELECT r.relid
+ FROM dbms_stats._relation_stats_locked r, pg_class c, pg_namespace n
+ WHERE relid = c.oid
+ AND c.relnamespace = n.oid
+ AND n.nspname = $1
+ ORDER BY relid
+ FOR UPDATE
+ LOOP
+ DELETE FROM dbms_stats._relation_stats_locked
+ WHERE relid = unlock_id;
+ RETURN NEXT unlock_id;
+ END LOOP;
+END;
+$$
+LANGUAGE plpgsql STRICT;
+
+CREATE FUNCTION dbms_stats.unlock_table_stats(relid regclass)
+ RETURNS SETOF regclass AS
+$$
+DELETE FROM dbms_stats._relation_stats_locked
+ WHERE relid = $1
+ RETURNING relid::regclass
+$$
+LANGUAGE sql STRICT;
+
+CREATE FUNCTION dbms_stats.unlock_table_stats(
+ schemaname text,
+ tablename text
+) RETURNS SETOF regclass AS
+$$
+DELETE FROM dbms_stats._relation_stats_locked
+ WHERE relid = dbms_stats.relname($1, $2)::regclass
+ RETURNING relid::regclass
+$$
+LANGUAGE sql STRICT;
+
+CREATE FUNCTION dbms_stats.unlock_column_stats(
+ relid regclass,
+ attname text
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ set_attnum int2;
+BEGIN
+ SELECT a.attnum INTO set_attnum FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = $1 AND a.attname = $2;
+ IF $2 IS NOT NULL AND set_attnum IS NULL THEN
+ RAISE EXCEPTION 'column "%" not found in relation "%"', $2, $1;
+ END IF;
+
+ /* Lock the locked table stats */
+ PERFORM * from dbms_stats.relation_stats_locked r
+ WHERE r.relid = $1 FOR SHARE;
+
+ DELETE FROM dbms_stats._column_stats_locked
+ WHERE starelid = $1
+ AND staattnum = set_attnum;
+
+ RETURN QUERY
+ SELECT $1;
+END;
+$$
+LANGUAGE plpgsql STRICT;
+
+CREATE FUNCTION dbms_stats.unlock_column_stats(
+ schemaname text,
+ tablename text,
+ attname text
+) RETURNS SETOF regclass AS
+$$
+DECLARE
+ set_attnum int2;
+BEGIN
+ SELECT a.attnum INTO set_attnum FROM pg_catalog.pg_attribute a
+ WHERE a.attrelid = dbms_stats.relname($1, $2)::regclass
+ AND a.attname = $3;
+ IF $3 IS NOT NULL AND set_attnum IS NULL THEN
+ RAISE EXCEPTION 'column "%" not found in relation "%.%"', $3, $1, $2;
+ END IF;
+
+ /* Lock the locked table stats */
+ PERFORM * from dbms_stats.relation_stats_locked r
+ WHERE relid = dbms_stats.relname($1, $2)::regclass FOR SHARE;
+
+ DELETE FROM dbms_stats._column_stats_locked
+ WHERE starelid = dbms_stats.relname($1, $2)::regclass
+ AND staattnum = set_attnum;
+
+ RETURN QUERY
+ SELECT dbms_stats.relname($1, $2)::regclass;
+END;
+$$
+LANGUAGE plpgsql STRICT;
+
+--
+-- IMPORT_STATS: Statistics import functions
+--
+
+CREATE FUNCTION dbms_stats.import(
+ nspname text DEFAULT NULL,
+ relid regclass DEFAULT NULL,
+ attname text DEFAULT NULL,
+ src text DEFAULT NULL
+) RETURNS void AS
+'MODULE_PATHNAME', 'dbms_stats_import'
+LANGUAGE C;
+
+CREATE FUNCTION dbms_stats.import_database_stats(src text)
+ RETURNS void AS
+$$
+SELECT dbms_stats.import(NULL, NULL, NULL, $1)
+$$
+LANGUAGE sql;
+
+CREATE FUNCTION dbms_stats.import_schema_stats(
+ schemaname text,
+ src text
+) RETURNS void AS
+$$
+SELECT dbms_stats.import($1, NULL, NULL, $2)
+$$
+LANGUAGE sql;
+
+CREATE FUNCTION dbms_stats.import_table_stats(
+ relid regclass,
+ src text
+) RETURNS void AS
+$$
+SELECT dbms_stats.import(NULL, $1, NULL, $2)
+$$
+LANGUAGE sql;
+
+CREATE FUNCTION dbms_stats.import_table_stats(
+ schemaname text,
+ tablename text,
+ src text
+) RETURNS void AS
+$$
+SELECT dbms_stats.import(NULL, dbms_stats.relname($1, $2)::regclass, NULL, $3)
+$$
+LANGUAGE sql;
+
+CREATE FUNCTION dbms_stats.import_column_stats(
+ relid regclass,
+ attname text,
+ src text
+) RETURNS void AS
+$$
+SELECT dbms_stats.import(NULL, $1, $2, $3)
+$$
+LANGUAGE sql;
+
+CREATE FUNCTION dbms_stats.import_column_stats(
+ schemaname text,
+ tablename text,
+ attname text,
+ src text
+) RETURNS void AS
+$$
+SELECT dbms_stats.import(NULL, dbms_stats.relname($1, $2)::regclass, $3, $4)
+$$
+LANGUAGE sql;
+
+--
+-- PURGE_STATS: Statistics purge function
+--
+CREATE FUNCTION dbms_stats.purge_stats(
+ backup_id int8,
+ force bool DEFAULT false
+) RETURNS SETOF dbms_stats.backup_history AS
+$$
+DECLARE
+ delete_id int8;
+ todelete dbms_stats.backup_history;
+BEGIN
+ IF $1 IS NULL THEN
+ RAISE EXCEPTION 'backup id required';
+ END IF;
+ IF $2 IS NULL THEN
+ RAISE EXCEPTION 'NULL is not allowed as the second parameter';
+ END IF;
+
+ IF NOT EXISTS(SELECT * FROM dbms_stats.backup_history
+ WHERE id = $1 FOR UPDATE) THEN
+ RAISE EXCEPTION 'backup id % not found', $1;
+ END IF;
+ IF NOT $2 AND NOT EXISTS(SELECT *
+ FROM dbms_stats.backup_history
+ WHERE unit = 'd'
+ AND id > $1) THEN
+ RAISE WARNING 'no database-wide backup will remain after purge'
+ USING HINT = 'Give true for second parameter to purge forcibly.';
+ RETURN;
+ END IF;
+
+ FOR todelete IN
+ SELECT * FROM dbms_stats.backup_history
+ WHERE id <= $1
+ ORDER BY id FOR UPDATE
+ LOOP
+ DELETE FROM dbms_stats.backup_history
+ WHERE id = todelete.id;
+ RETURN NEXT todelete;
+ END LOOP;
+END;
+$$
+LANGUAGE plpgsql;
+
+--
+-- CLEAN_STATS: Clean orphan dummy statistics
+--
+CREATE FUNCTION dbms_stats.clean_up_stats() RETURNS SETOF text AS
+$$
+DECLARE
+ clean_relid Oid;
+ clean_attnum int2;
+ clean_inherit bool;
+ clean_rel_col text;
+BEGIN
+ -- We don't have to check that table-level dummy statistics of the table
+ -- exists here, because the foreign key constraints defined on column-level
+ -- dummy static table ensures that.
+ FOR clean_rel_col, clean_relid, clean_attnum, clean_inherit IN
+ SELECT r.relname || ', ' || v.staattnum::text,
+ v.starelid, v.staattnum, v.stainherit
+ FROM dbms_stats._column_stats_locked v
+ JOIN dbms_stats._relation_stats_locked r ON (v.starelid = r.relid)
+ WHERE NOT EXISTS (
+ SELECT NULL
+ FROM pg_attribute a
+ WHERE a.attrelid = v.starelid
+ AND a.attnum = v.staattnum
+ AND a.attisdropped = false
+ FOR UPDATE
+ )
+ LOOP
+ DELETE FROM dbms_stats._column_stats_locked
+ WHERE starelid = clean_relid
+ AND staattnum = clean_attnum
+ AND stainherit = clean_inherit;
+ RETURN NEXT clean_rel_col;
+ END LOOP;
+
+ RETURN QUERY
+ DELETE FROM dbms_stats._relation_stats_locked r
+ WHERE NOT EXISTS (
+ SELECT NULL
+ FROM pg_class c
+ WHERE c.oid = r.relid)
+ RETURNING relname || ',';
+ RETURN;
+END
+$$
+LANGUAGE plpgsql;
+
+GRANT USAGE ON schema dbms_stats TO PUBLIC;
+--
--- /dev/null
+\pset null '(null)'
+CREATE TABLE s0.st3();
+/*
+ * No.16-1 export_plain_stats-9.3.sql.sample
+ */
+-- No.16-1-1
+ANALYZE;
+DELETE FROM dbms_stats._column_stats_locked;
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+UPDATE dbms_stats._relation_stats_locked
+ SET (relpages, reltuples, relallvisible, curpages) = (0,0,0,0);
+UPDATE dbms_stats._column_stats_locked SET
+ stanullfrac = -staattnum,
+ stawidth = -staattnum,
+ stadistinct = -staattnum,
+ stakind1 = 2,
+ stakind2 = 3,
+ stakind3 = 4,
+ stakind4 = 1,
+ stakind5 = 5,
+ staop1 = 22,
+ staop2 = 23,
+ staop3 = 24,
+ staop4 = 21,
+ staop5 = 25,
+ stanumbers1 = ARRAY[-staattnum,22],
+ stanumbers2 = ARRAY[-staattnum,23],
+ stanumbers3 = ARRAY[-staattnum,24],
+ stanumbers4 = ARRAY[-staattnum,21],
+ stanumbers5 = ARRAY[-staattnum,25],
+ stavalues1 = stavalues3,
+ stavalues2 = stavalues2,
+ stavalues3 = stavalues1,
+ stavalues4 = stavalues4,
+ stavalues5 = stavalues5;
+\i doc/export_plain_stats-9.3.sql.sample
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+TRUNCATE dbms_stats.work;
+-- No.16-1-2
+\! sed '/ORDER/i\\ AND n2.nspname = '"\'s0\'" doc/export_plain_stats-9.3.sql.sample > doc/export_plain_stats-9.3.sql.sample_test
+\i doc/export_plain_stats-9.3.sql.sample_test
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+TRUNCATE dbms_stats.work;
+\! rm doc/export_plain_stats-9.3.sql.sample_test
+-- No.16-1-3
+\! sed '/ORDER/i\\ AND c.relname = '"\'st0\'" doc/export_plain_stats-9.3.sql.sample > doc/export_plain_stats-9.3.sql.sample_test
+\i doc/export_plain_stats-9.3.sql.sample_test
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+TRUNCATE dbms_stats.work;
+\! rm doc/export_plain_stats-9.3.sql.sample_test
+-- No.16-1-4
+\! sed '/ORDER/i\\ AND c.relname = '"\'pg_toast_1262\'" doc/export_plain_stats-9.3.sql.sample > doc/export_plain_stats-9.3.sql.sample_test
+\i doc/export_plain_stats-9.3.sql.sample_test
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+TRUNCATE dbms_stats.work;
+\! rm doc/export_plain_stats-9.3.sql.sample_test
+-- No.16-1-5
+\! sed '/ORDER/i\\ AND c.relname = '"\'st0_idx\'" doc/export_plain_stats-9.3.sql.sample > doc/export_plain_stats-9.3.sql.sample_test
+\i doc/export_plain_stats-9.3.sql.sample_test
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+TRUNCATE dbms_stats.work;
+\! rm doc/export_plain_stats-9.3.sql.sample_test
+-- No.16-1-6
+\! sed '/ORDER/i\\ AND c.relname = '"\'ss0\'" doc/export_plain_stats-9.3.sql.sample > doc/export_plain_stats-9.3.sql.sample_test
+\i doc/export_plain_stats-9.3.sql.sample_test
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+TRUNCATE dbms_stats.work;
+\! rm doc/export_plain_stats-9.3.sql.sample_test
+-- No.16-1-7
+\! sed '/ORDER/i\\ AND c.relname = '"\'sc0\'" doc/export_plain_stats-9.3.sql.sample > doc/export_plain_stats-9.3.sql.sample_test
+\i doc/export_plain_stats-9.3.sql.sample_test
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+TRUNCATE dbms_stats.work;
+\! rm doc/export_plain_stats-9.3.sql.sample_test
+-- No.16-1-8
+\! sed '/ORDER/i\\ AND c.relname = '"\'sft0\'" doc/export_plain_stats-9.3.sql.sample > doc/export_plain_stats-9.3.sql.sample_test
+\i doc/export_plain_stats-9.3.sql.sample_test
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+TRUNCATE dbms_stats.work;
+\! rm doc/export_plain_stats-9.3.sql.sample_test
+-- No.16-1-9
+\! sed '/ORDER/i\\ AND c.relname = '"\'smv0\'" doc/export_plain_stats-9.3.sql.sample > doc/export_plain_stats-9.3.sql.sample_test
+\i doc/export_plain_stats-9.3.sql.sample_test
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+TRUNCATE dbms_stats.work;
+\! rm doc/export_plain_stats-9.3.sql.sample_test
+-- No.16-1-10
+\! sed '/ORDER/i\\ AND n2.nspname = '"\'s0\'"' AND a.attname = '\'id\' doc/export_plain_stats-9.3.sql.sample > doc/export_plain_stats-9.3.sql.sample_test
+\i doc/export_plain_stats-9.3.sql.sample_test
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+TRUNCATE dbms_stats.work;
+\! rm doc/export_plain_stats-9.3.sql.sample_test
+-- No.16-1-11
+\! sed '/ORDER/i\\ AND n2.nspname = '"\'s0\'"' AND a.attname IS NULL' doc/export_plain_stats-9.3.sql.sample > doc/export_plain_stats-9.3.sql.sample_test
+\i doc/export_plain_stats-9.3.sql.sample_test
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+TRUNCATE dbms_stats.work;
+\! rm doc/export_plain_stats-9.3.sql.sample_test
+-- No.16-1-12
+\! sed '/ORDER/i\\ AND n2.nspname = '"\'s1\'"' AND c.relname IS NULL' doc/export_plain_stats-9.3.sql.sample > doc/export_plain_stats-9.3.sql.sample_test
+\i doc/export_plain_stats-9.3.sql.sample_test
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+TRUNCATE dbms_stats.work;
+\! rm doc/export_plain_stats-9.3.sql.sample_test
+
+/*
+ * No.16-2 export_effective_stats-9.3.sql.sample
+ */
+-- No.16-2-1
+VACUUM ANALYZE;
+SELECT dbms_stats.lock_database_stats();
+UPDATE dbms_stats._relation_stats_locked
+ SET (relpages, reltuples, relallvisible, curpages) = (NULL, NULL, NULL, NULL);
+UPDATE dbms_stats._column_stats_locked
+ SET (stanullfrac, stawidth, stadistinct,
+ stakind1, stakind2, stakind3, stakind4, stakind5,
+ staop1, staop2, staop3, staop4, staop5,
+ stanumbers1, stanumbers2, stanumbers3, stanumbers4, stanumbers5,
+ stavalues1, stavalues2, stavalues3, stavalues4, stavalues5)
+ = (NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL)
+ WHERE starelid = 's0.st0'::regclass;
+\i doc/export_effective_stats-9.3.sql.sample
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+TRUNCATE dbms_stats.work;
+-- No.16-2-2
+\! sed '/ORDER/i\\ WHERE n2.nspname = '"\'s0\'" doc/export_effective_stats-9.3.sql.sample > doc/export_effective_stats-9.3.sql.sample_test
+\i doc/export_effective_stats-9.3.sql.sample_test
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+\! rm doc/export_effective_stats-9.3.sql.sample_test
+TRUNCATE dbms_stats.work;
+-- No.16-2-3
+\! sed '/ORDER/i\\ WHERE cl.relname = '"\'st0\'" doc/export_effective_stats-9.3.sql.sample > doc/export_effective_stats-9.3.sql.sample_test
+\i doc/export_effective_stats-9.3.sql.sample_test
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+\! rm doc/export_effective_stats-9.3.sql.sample_test
+TRUNCATE dbms_stats.work;
+-- No.16-2-4
+\! sed '/ORDER/i\\ WHERE cl.relname = '"\'pg_toast_1262\'" doc/export_effective_stats-9.3.sql.sample > doc/export_effective_stats-9.3.sql.sample_test
+\i doc/export_effective_stats-9.3.sql.sample_test
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+\! rm doc/export_effective_stats-9.3.sql.sample_test
+TRUNCATE dbms_stats.work;
+-- No.16-2-5
+\! sed '/ORDER/i\\ WHERE cl.relname = '"\'st0_idx\'" doc/export_effective_stats-9.3.sql.sample > doc/export_effective_stats-9.3.sql.sample_test
+\i doc/export_effective_stats-9.3.sql.sample_test
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+\! rm doc/export_effective_stats-9.3.sql.sample_test
+TRUNCATE dbms_stats.work;
+-- No.16-2-6
+\! sed '/ORDER/i\\ WHERE cl.relname = '"\'ss0\'" doc/export_effective_stats-9.3.sql.sample > doc/export_effective_stats-9.3.sql.sample_test
+\i doc/export_effective_stats-9.3.sql.sample_test
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+\! rm doc/export_effective_stats-9.3.sql.sample_test
+TRUNCATE dbms_stats.work;
+-- No.16-2-7
+\! sed '/ORDER/i\\ WHERE cl.relname = '"\'sc0\'" doc/export_effective_stats-9.3.sql.sample > doc/export_effective_stats-9.3.sql.sample_test
+\i doc/export_effective_stats-9.3.sql.sample_test
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+\! rm doc/export_effective_stats-9.3.sql.sample_test
+TRUNCATE dbms_stats.work;
+-- No.16-2-8
+\! sed '/ORDER/i\\ WHERE cl.relname = '"\'sft0\'" doc/export_effective_stats-9.3.sql.sample > doc/export_effective_stats-9.3.sql.sample_test
+\i doc/export_effective_stats-9.3.sql.sample_test
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+\! rm doc/export_effective_stats-9.3.sql.sample_test
+TRUNCATE dbms_stats.work;
+-- No.16-2-9
+\! sed '/ORDER/i\\ WHERE cl.relname = '"\'smv0\'" doc/export_effective_stats-9.3.sql.sample > doc/export_effective_stats-9.3.sql.sample_test
+\i doc/export_effective_stats-9.3.sql.sample_test
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+\! rm doc/export_effective_stats-9.3.sql.sample_test
+TRUNCATE dbms_stats.work;
+-- No.16-2-10
+\! sed '/ORDER/i\\ WHERE n2.nspname = '"\'s0\'"' AND a.attname = '"\'id\'" doc/export_effective_stats-9.3.sql.sample > doc/export_effective_stats-9.3.sql.sample_test
+\i doc/export_effective_stats-9.3.sql.sample_test
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+\! rm doc/export_effective_stats-9.3.sql.sample_test
+TRUNCATE dbms_stats.work;
+-- No.16-2-11
+\! sed '/ORDER/i\\ WHERE n2.nspname = '"\'s0\'"' AND a.attname IS NULL' doc/export_effective_stats-9.3.sql.sample > doc/export_effective_stats-9.3.sql.sample_test
+\i doc/export_effective_stats-9.3.sql.sample_test
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+\! rm doc/export_effective_stats-9.3.sql.sample_test
+TRUNCATE dbms_stats.work;
+-- No.16-2-12
+\! sed '/ORDER/i\\ WHERE n2.nspname = '"\'s0\'"' AND cl.relname IS NULL' doc/export_effective_stats-9.3.sql.sample > doc/export_effective_stats-9.3.sql.sample_test
+\i doc/export_effective_stats-9.3.sql.sample_test
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+\! rm doc/export_effective_stats-9.3.sql.sample_test
+TRUNCATE dbms_stats.work;
+
+/*
+ * Stab function dbms_stats.import
+ */
+ALTER FUNCTION dbms_stats.import(
+ nspname text,
+ relid regclass,
+ attname text,
+ src text
+) RENAME TO truth_import;
+CREATE FUNCTION dbms_stats.import(
+ nspname text,
+ relid regclass,
+ attname text,
+ src text
+) RETURNS void AS
+$$
+BEGIN
+ RAISE NOTICE 'arguments are "%", "%", "%", "%"', $1, $2, $3, $4;
+ RETURN;
+END
+$$
+LANGUAGE plpgsql;
+/*
+ * No.17-1 dbms_stats.import_database_stats(src)
+ */
+-- No.17-1-1
+SELECT dbms_stats.import_database_stats('@abs_srcdir@/export_stats.dmp');
+
+/*
+ * No.17-2 dbms_stats.import_schema_stats(schemaname, src)
+ */
+-- No.17-2-1
+SELECT dbms_stats.import_schema_stats('s0', '@abs_srcdir@/export_stats.dmp');
+
+/*
+ * No.17-3 dbms_stats.import_table_stats(relid, src)
+ */
+-- No.17-3-1
+SELECT dbms_stats.import_table_stats('s0.st0', '@abs_srcdir@/export_stats.dmp');
+
+/*
+ * No.17-4 dbms_stats.import_table_stats(schemaname, tablename, src)
+ */
+-- No.17-4-1
+SELECT dbms_stats.import_table_stats('s0', 'st0', '@abs_srcdir@/export_stats.dmp');
+
+/*
+ * No.17-5 dbms_stats.import_column_stats (relid, attname, src)
+ */
+-- No.17-5-1
+SELECT dbms_stats.import_column_stats('s0.st0', 'id', '@abs_srcdir@/export_stats.dmp');
+
+/*
+ * No.17-6 dbms_stats.import_column_stats (schemaname, tablename, attname, src)
+ */
+-- No.17-6-1
+SELECT dbms_stats.import_column_stats('s0', 'st0', 'id','@abs_srcdir@/export_stats.dmp');
+
+/*
+ * Delete stab function dbms_stats.import
+ */
+DROP FUNCTION dbms_stats.import(
+ nspname text,
+ relid regclass,
+ attname text,
+ src text
+);
+ALTER FUNCTION dbms_stats.truth_import(
+ nspname text,
+ relid regclass,
+ attname text,
+ src text
+) RENAME TO import;
--- /dev/null
+\pset null '(null)'
+CREATE TABLE s0.st3();
+/*
+ * No.16-1 export_plain_stats-9.3.sql.sample
+ */
+-- No.16-1-1
+ANALYZE;
+DELETE FROM dbms_stats._column_stats_locked;
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+ s0.st3
+(17 rows)
+
+UPDATE dbms_stats._relation_stats_locked
+ SET (relpages, reltuples, relallvisible, curpages) = (0,0,0,0);
+UPDATE dbms_stats._column_stats_locked SET
+ stanullfrac = -staattnum,
+ stawidth = -staattnum,
+ stadistinct = -staattnum,
+ stakind1 = 2,
+ stakind2 = 3,
+ stakind3 = 4,
+ stakind4 = 1,
+ stakind5 = 5,
+ staop1 = 22,
+ staop2 = 23,
+ staop3 = 24,
+ staop4 = 21,
+ staop5 = 25,
+ stanumbers1 = ARRAY[-staattnum,22],
+ stanumbers2 = ARRAY[-staattnum,23],
+ stanumbers3 = ARRAY[-staattnum,24],
+ stanumbers4 = ARRAY[-staattnum,21],
+ stanumbers5 = ARRAY[-staattnum,25],
+ stavalues1 = stavalues3,
+ stavalues2 = stavalues2,
+ stavalues3 = stavalues1,
+ stavalues4 = stavalues4,
+ stavalues5 = stavalues5;
+\i doc/export_plain_stats-9.3.sql.sample
+/*
+ * If you want the statistics of per-relation or per-column, please modify
+ * nspname, relname, and attname in 'WHERE' clause.
+ */
+BEGIN TRANSACTION ISOLATION LEVEL SERIALIZABLE;
+/*
+ * If you want to chage the output file name, please modify the following name.
+ */
+\o export_stats.dmp
+COPY (SELECT n2.nspname,
+ c.relname,
+ c.relpages,
+ c.reltuples,
+ c.relallvisible,
+ (pg_relation_size(c.oid) / current_setting('block_size')::int4)::int4
+ AS curpages,
+ pg_catalog.pg_stat_get_last_analyze_time(c.oid)
+ AS last_analyze,
+ pg_catalog.pg_stat_get_last_autoanalyze_time(c.oid)
+ AS last_autoanalyze,
+ COALESCE(a.attname, ''),
+ n1.nspname AS schemaname_of_atttype,
+ t.typname,
+ a.atttypmod,
+ s.stainherit,
+ s.stanullfrac,
+ s.stawidth,
+ s.stadistinct,
+ s.stakind1,
+ s.stakind2,
+ s.stakind3,
+ s.stakind4,
+ s.stakind5,
+ s.staop1,
+ s.staop2,
+ s.staop3,
+ s.staop4,
+ s.staop5,
+ s.stanumbers1,
+ s.stanumbers2,
+ s.stanumbers3,
+ s.stanumbers4,
+ s.stanumbers5,
+ s.stavalues1,
+ s.stavalues2,
+ s.stavalues3,
+ s.stavalues4,
+ s.stavalues5
+ FROM pg_statistic s
+ JOIN pg_attribute a
+ ON (s.starelid = a.attrelid AND s.staattnum = a.attnum)
+ JOIN pg_type t
+ ON a.atttypid = t.oid
+ JOIN pg_namespace n1
+ ON t.typnamespace = n1.oid
+ RIGHT JOIN pg_catalog.pg_class c
+ ON s.starelid = c.oid
+ JOIN pg_catalog.pg_namespace n2
+ ON c.relnamespace = n2.oid
+ WHERE c.relkind IN ('r', 'i', 'f', 'm')
+ AND NOT n2.nspname IN ('pg_catalog',
+ 'pg_toast',
+ 'information_schema',
+ 'dbms_stats')
+ -- AND n2.nspname = 'public'
+ -- AND c.relname = 'test'
+ -- AND a.attname = 'id'
+ ORDER BY starelid, staattnum)
+TO STDOUT
+(FORMAT 'binary');
+\o
+COMMIT;
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+ nspname | relname | relpages | reltuples | relallvisible | curpages | attname | nspname_of_typename | typname | atttypmod | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+---------+---------+----------+-----------+---------------+----------+---------+---------------------+---------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+------------------------+-------------+-------------+-------------+-------------+------------------------+------------+------------+------------+------------
+ public | pt0 | 0 | 0 | 0 | 0 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ public | pt0_idx | 2 | 0 | 0 | 2 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ public | st0 | 1 | 2 | 1 | 1 | id | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2} | (null) | (null) | (null) | (null)
+ public | st0 | 1 | 2 | 1 | 1 | name | pg_catalog | bpchar | 9 | f | 0 | 6 | -0.5 | 1 | 3 | 0 | 0 | 0 | 1054 | 1058 | 0 | 0 | 0 | {1} | {1} | (null) | (null) | (null) | {"test "} | (null) | (null) | (null) | (null)
+ public | st0_idx | 2 | 2 | 0 | 2 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ public | st1 | 45 | 10000 | 45 | 45 | str | pg_catalog | text | -1 | f | 0 | 2 | 3 | 1 | 3 | 0 | 0 | 0 | 98 | 664 | 0 | 0 | 0 | {0.3334,0.3333,0.3333} | {0.3332} | (null) | (null) | (null) | {1,0,2} | (null) | (null) | (null) | (null)
+ public | st1 | 45 | 10000 | 45 | 45 | val | pg_catalog | int4 | -1 | f | 0 | 4 | 3 | 1 | 3 | 0 | 0 | 0 | 96 | 97 | 0 | 0 | 0 | {0.3334,0.3333,0.3333} | {0.3332} | (null) | (null) | (null) | {1,0,2} | (null) | (null) | (null) | (null)
+ public | st1_exp | 30 | 10000 | 0 | 30 | lower | pg_catalog | text | -1 | f | 0 | 5 | 3 | 1 | 3 | 0 | 0 | 0 | 98 | 664 | 0 | 0 | 0 | {0.3334,0.3333,0.3333} | {0.3332} | (null) | (null) | (null) | {1,0,2} | (null) | (null) | (null) | (null)
+ public | st1_idx | 30 | 10000 | 0 | 30 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0 | sft0 | 1 | 10 | 0 | 0 | id | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,3,4,5,6,7,8,9,10} | (null) | (null) | (null) | (null)
+ s0 | smv0 | 1 | 2 | 1 | 1 | id | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2} | (null) | (null) | (null) | (null)
+ s0 | smv0 | 1 | 2 | 1 | 1 | num | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20} | (null) | (null) | (null) | (null)
+ s0 | smv0 | 1 | 2 | 1 | 1 | txt | pg_catalog | text | -1 | f | 0 | 3 | -1 | 2 | 3 | 0 | 0 | 0 | 664 | 664 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,test} | (null) | (null) | (null) | (null)
+ s0 | st0 | 1 | 2 | 1 | 1 | id | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2} | (null) | (null) | (null) | (null)
+ s0 | st0 | 1 | 2 | 1 | 1 | id | pg_catalog | int4 | -1 | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,4,5,6} | (null) | (null) | (null) | (null)
+ s0 | st0 | 1 | 2 | 1 | 1 | num | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20} | (null) | (null) | (null) | (null)
+ s0 | st0 | 1 | 2 | 1 | 1 | num | pg_catalog | int4 | -1 | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20,40,50,60} | (null) | (null) | (null) | (null)
+ s0 | st0_idx | 2 | 2 | 0 | 2 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0 | st1 | 1 | 3 | 1 | 1 | id | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {4,5,6} | (null) | (null) | (null) | (null)
+ s0 | st1 | 1 | 3 | 1 | 1 | num | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {40,50,60} | (null) | (null) | (null) | (null)
+ s0 | st1_idx | 2 | 3 | 0 | 2 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0 | st2 | 1 | 3 | 1 | 1 | id | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,3} | (null) | (null) | (null) | (null)
+ s0 | st2 | 1 | 3 | 1 | 1 | txt | pg_catalog | text | -1 | f | 0 | 5 | -1 | 2 | 3 | 0 | 0 | 0 | 664 | 664 | 0 | 0 | 0 | (null) | {0.5} | (null) | (null) | (null) | {1,comment,test} | (null) | (null) | (null) | (null)
+ s0 | st2_idx | 2 | 3 | 0 | 2 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0 | st3 | 0 | 0 | 0 | 0 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s1 | st0 | 1 | 4 | 1 | 1 | id | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,3,4} | (null) | (null) | (null) | (null)
+ s1 | st0 | 1 | 4 | 1 | 1 | num | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {15,25,35,45} | (null) | (null) | (null) | (null)
+(27 rows)
+
+TRUNCATE dbms_stats.work;
+-- No.16-1-2
+\! sed '/ORDER/i\\ AND n2.nspname = '"\'s0\'" doc/export_plain_stats-9.3.sql.sample > doc/export_plain_stats-9.3.sql.sample_test
+\i doc/export_plain_stats-9.3.sql.sample_test
+/*
+ * If you want the statistics of per-relation or per-column, please modify
+ * nspname, relname, and attname in 'WHERE' clause.
+ */
+BEGIN TRANSACTION ISOLATION LEVEL SERIALIZABLE;
+/*
+ * If you want to chage the output file name, please modify the following name.
+ */
+\o export_stats.dmp
+COPY (SELECT n2.nspname,
+ c.relname,
+ c.relpages,
+ c.reltuples,
+ c.relallvisible,
+ (pg_relation_size(c.oid) / current_setting('block_size')::int4)::int4
+ AS curpages,
+ pg_catalog.pg_stat_get_last_analyze_time(c.oid)
+ AS last_analyze,
+ pg_catalog.pg_stat_get_last_autoanalyze_time(c.oid)
+ AS last_autoanalyze,
+ COALESCE(a.attname, ''),
+ n1.nspname AS schemaname_of_atttype,
+ t.typname,
+ a.atttypmod,
+ s.stainherit,
+ s.stanullfrac,
+ s.stawidth,
+ s.stadistinct,
+ s.stakind1,
+ s.stakind2,
+ s.stakind3,
+ s.stakind4,
+ s.stakind5,
+ s.staop1,
+ s.staop2,
+ s.staop3,
+ s.staop4,
+ s.staop5,
+ s.stanumbers1,
+ s.stanumbers2,
+ s.stanumbers3,
+ s.stanumbers4,
+ s.stanumbers5,
+ s.stavalues1,
+ s.stavalues2,
+ s.stavalues3,
+ s.stavalues4,
+ s.stavalues5
+ FROM pg_statistic s
+ JOIN pg_attribute a
+ ON (s.starelid = a.attrelid AND s.staattnum = a.attnum)
+ JOIN pg_type t
+ ON a.atttypid = t.oid
+ JOIN pg_namespace n1
+ ON t.typnamespace = n1.oid
+ RIGHT JOIN pg_catalog.pg_class c
+ ON s.starelid = c.oid
+ JOIN pg_catalog.pg_namespace n2
+ ON c.relnamespace = n2.oid
+ WHERE c.relkind IN ('r', 'i', 'f', 'm')
+ AND NOT n2.nspname IN ('pg_catalog',
+ 'pg_toast',
+ 'information_schema',
+ 'dbms_stats')
+ -- AND n2.nspname = 'public'
+ -- AND c.relname = 'test'
+ -- AND a.attname = 'id'
+ AND n2.nspname = 's0'
+ ORDER BY starelid, staattnum)
+TO STDOUT
+(FORMAT 'binary');
+\o
+COMMIT;
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+ nspname | relname | relpages | reltuples | relallvisible | curpages | attname | nspname_of_typename | typname | atttypmod | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+---------+---------+----------+-----------+---------------+----------+---------+---------------------+---------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------------------+------------+------------+------------+------------
+ s0 | sft0 | 1 | 10 | 0 | 0 | id | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,3,4,5,6,7,8,9,10} | (null) | (null) | (null) | (null)
+ s0 | smv0 | 1 | 2 | 1 | 1 | id | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2} | (null) | (null) | (null) | (null)
+ s0 | smv0 | 1 | 2 | 1 | 1 | num | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20} | (null) | (null) | (null) | (null)
+ s0 | smv0 | 1 | 2 | 1 | 1 | txt | pg_catalog | text | -1 | f | 0 | 3 | -1 | 2 | 3 | 0 | 0 | 0 | 664 | 664 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,test} | (null) | (null) | (null) | (null)
+ s0 | st0 | 1 | 2 | 1 | 1 | id | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2} | (null) | (null) | (null) | (null)
+ s0 | st0 | 1 | 2 | 1 | 1 | id | pg_catalog | int4 | -1 | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,4,5,6} | (null) | (null) | (null) | (null)
+ s0 | st0 | 1 | 2 | 1 | 1 | num | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20} | (null) | (null) | (null) | (null)
+ s0 | st0 | 1 | 2 | 1 | 1 | num | pg_catalog | int4 | -1 | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20,40,50,60} | (null) | (null) | (null) | (null)
+ s0 | st0_idx | 2 | 2 | 0 | 2 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0 | st1 | 1 | 3 | 1 | 1 | id | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {4,5,6} | (null) | (null) | (null) | (null)
+ s0 | st1 | 1 | 3 | 1 | 1 | num | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {40,50,60} | (null) | (null) | (null) | (null)
+ s0 | st1_idx | 2 | 3 | 0 | 2 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0 | st2 | 1 | 3 | 1 | 1 | id | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,3} | (null) | (null) | (null) | (null)
+ s0 | st2 | 1 | 3 | 1 | 1 | txt | pg_catalog | text | -1 | f | 0 | 5 | -1 | 2 | 3 | 0 | 0 | 0 | 664 | 664 | 0 | 0 | 0 | (null) | {0.5} | (null) | (null) | (null) | {1,comment,test} | (null) | (null) | (null) | (null)
+ s0 | st2_idx | 2 | 3 | 0 | 2 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0 | st3 | 0 | 0 | 0 | 0 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+(16 rows)
+
+TRUNCATE dbms_stats.work;
+\! rm doc/export_plain_stats-9.3.sql.sample_test
+-- No.16-1-3
+\! sed '/ORDER/i\\ AND c.relname = '"\'st0\'" doc/export_plain_stats-9.3.sql.sample > doc/export_plain_stats-9.3.sql.sample_test
+\i doc/export_plain_stats-9.3.sql.sample_test
+/*
+ * If you want the statistics of per-relation or per-column, please modify
+ * nspname, relname, and attname in 'WHERE' clause.
+ */
+BEGIN TRANSACTION ISOLATION LEVEL SERIALIZABLE;
+/*
+ * If you want to chage the output file name, please modify the following name.
+ */
+\o export_stats.dmp
+COPY (SELECT n2.nspname,
+ c.relname,
+ c.relpages,
+ c.reltuples,
+ c.relallvisible,
+ (pg_relation_size(c.oid) / current_setting('block_size')::int4)::int4
+ AS curpages,
+ pg_catalog.pg_stat_get_last_analyze_time(c.oid)
+ AS last_analyze,
+ pg_catalog.pg_stat_get_last_autoanalyze_time(c.oid)
+ AS last_autoanalyze,
+ COALESCE(a.attname, ''),
+ n1.nspname AS schemaname_of_atttype,
+ t.typname,
+ a.atttypmod,
+ s.stainherit,
+ s.stanullfrac,
+ s.stawidth,
+ s.stadistinct,
+ s.stakind1,
+ s.stakind2,
+ s.stakind3,
+ s.stakind4,
+ s.stakind5,
+ s.staop1,
+ s.staop2,
+ s.staop3,
+ s.staop4,
+ s.staop5,
+ s.stanumbers1,
+ s.stanumbers2,
+ s.stanumbers3,
+ s.stanumbers4,
+ s.stanumbers5,
+ s.stavalues1,
+ s.stavalues2,
+ s.stavalues3,
+ s.stavalues4,
+ s.stavalues5
+ FROM pg_statistic s
+ JOIN pg_attribute a
+ ON (s.starelid = a.attrelid AND s.staattnum = a.attnum)
+ JOIN pg_type t
+ ON a.atttypid = t.oid
+ JOIN pg_namespace n1
+ ON t.typnamespace = n1.oid
+ RIGHT JOIN pg_catalog.pg_class c
+ ON s.starelid = c.oid
+ JOIN pg_catalog.pg_namespace n2
+ ON c.relnamespace = n2.oid
+ WHERE c.relkind IN ('r', 'i', 'f', 'm')
+ AND NOT n2.nspname IN ('pg_catalog',
+ 'pg_toast',
+ 'information_schema',
+ 'dbms_stats')
+ -- AND n2.nspname = 'public'
+ -- AND c.relname = 'test'
+ -- AND a.attname = 'id'
+ AND c.relname = 'st0'
+ ORDER BY starelid, staattnum)
+TO STDOUT
+(FORMAT 'binary');
+\o
+COMMIT;
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+ nspname | relname | relpages | reltuples | relallvisible | curpages | attname | nspname_of_typename | typname | atttypmod | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+---------+---------+----------+-----------+---------------+----------+---------+---------------------+---------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------------+------------+------------+------------+------------
+ public | st0 | 1 | 2 | 1 | 1 | id | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2} | (null) | (null) | (null) | (null)
+ public | st0 | 1 | 2 | 1 | 1 | name | pg_catalog | bpchar | 9 | f | 0 | 6 | -0.5 | 1 | 3 | 0 | 0 | 0 | 1054 | 1058 | 0 | 0 | 0 | {1} | {1} | (null) | (null) | (null) | {"test "} | (null) | (null) | (null) | (null)
+ s0 | st0 | 1 | 2 | 1 | 1 | id | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2} | (null) | (null) | (null) | (null)
+ s0 | st0 | 1 | 2 | 1 | 1 | id | pg_catalog | int4 | -1 | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,4,5,6} | (null) | (null) | (null) | (null)
+ s0 | st0 | 1 | 2 | 1 | 1 | num | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20} | (null) | (null) | (null) | (null)
+ s0 | st0 | 1 | 2 | 1 | 1 | num | pg_catalog | int4 | -1 | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20,40,50,60} | (null) | (null) | (null) | (null)
+ s1 | st0 | 1 | 4 | 1 | 1 | id | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,3,4} | (null) | (null) | (null) | (null)
+ s1 | st0 | 1 | 4 | 1 | 1 | num | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {15,25,35,45} | (null) | (null) | (null) | (null)
+(8 rows)
+
+TRUNCATE dbms_stats.work;
+\! rm doc/export_plain_stats-9.3.sql.sample_test
+-- No.16-1-4
+\! sed '/ORDER/i\\ AND c.relname = '"\'pg_toast_1262\'" doc/export_plain_stats-9.3.sql.sample > doc/export_plain_stats-9.3.sql.sample_test
+\i doc/export_plain_stats-9.3.sql.sample_test
+/*
+ * If you want the statistics of per-relation or per-column, please modify
+ * nspname, relname, and attname in 'WHERE' clause.
+ */
+BEGIN TRANSACTION ISOLATION LEVEL SERIALIZABLE;
+/*
+ * If you want to chage the output file name, please modify the following name.
+ */
+\o export_stats.dmp
+COPY (SELECT n2.nspname,
+ c.relname,
+ c.relpages,
+ c.reltuples,
+ c.relallvisible,
+ (pg_relation_size(c.oid) / current_setting('block_size')::int4)::int4
+ AS curpages,
+ pg_catalog.pg_stat_get_last_analyze_time(c.oid)
+ AS last_analyze,
+ pg_catalog.pg_stat_get_last_autoanalyze_time(c.oid)
+ AS last_autoanalyze,
+ COALESCE(a.attname, ''),
+ n1.nspname AS schemaname_of_atttype,
+ t.typname,
+ a.atttypmod,
+ s.stainherit,
+ s.stanullfrac,
+ s.stawidth,
+ s.stadistinct,
+ s.stakind1,
+ s.stakind2,
+ s.stakind3,
+ s.stakind4,
+ s.stakind5,
+ s.staop1,
+ s.staop2,
+ s.staop3,
+ s.staop4,
+ s.staop5,
+ s.stanumbers1,
+ s.stanumbers2,
+ s.stanumbers3,
+ s.stanumbers4,
+ s.stanumbers5,
+ s.stavalues1,
+ s.stavalues2,
+ s.stavalues3,
+ s.stavalues4,
+ s.stavalues5
+ FROM pg_statistic s
+ JOIN pg_attribute a
+ ON (s.starelid = a.attrelid AND s.staattnum = a.attnum)
+ JOIN pg_type t
+ ON a.atttypid = t.oid
+ JOIN pg_namespace n1
+ ON t.typnamespace = n1.oid
+ RIGHT JOIN pg_catalog.pg_class c
+ ON s.starelid = c.oid
+ JOIN pg_catalog.pg_namespace n2
+ ON c.relnamespace = n2.oid
+ WHERE c.relkind IN ('r', 'i', 'f', 'm')
+ AND NOT n2.nspname IN ('pg_catalog',
+ 'pg_toast',
+ 'information_schema',
+ 'dbms_stats')
+ -- AND n2.nspname = 'public'
+ -- AND c.relname = 'test'
+ -- AND a.attname = 'id'
+ AND c.relname = 'pg_toast_1262'
+ ORDER BY starelid, staattnum)
+TO STDOUT
+(FORMAT 'binary');
+\o
+COMMIT;
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+ nspname | relname | relpages | reltuples | relallvisible | curpages | attname | nspname_of_typename | typname | atttypmod | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+---------+---------+----------+-----------+---------------+----------+---------+---------------------+---------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------+------------+------------+------------+------------
+(0 rows)
+
+TRUNCATE dbms_stats.work;
+\! rm doc/export_plain_stats-9.3.sql.sample_test
+-- No.16-1-5
+\! sed '/ORDER/i\\ AND c.relname = '"\'st0_idx\'" doc/export_plain_stats-9.3.sql.sample > doc/export_plain_stats-9.3.sql.sample_test
+\i doc/export_plain_stats-9.3.sql.sample_test
+/*
+ * If you want the statistics of per-relation or per-column, please modify
+ * nspname, relname, and attname in 'WHERE' clause.
+ */
+BEGIN TRANSACTION ISOLATION LEVEL SERIALIZABLE;
+/*
+ * If you want to chage the output file name, please modify the following name.
+ */
+\o export_stats.dmp
+COPY (SELECT n2.nspname,
+ c.relname,
+ c.relpages,
+ c.reltuples,
+ c.relallvisible,
+ (pg_relation_size(c.oid) / current_setting('block_size')::int4)::int4
+ AS curpages,
+ pg_catalog.pg_stat_get_last_analyze_time(c.oid)
+ AS last_analyze,
+ pg_catalog.pg_stat_get_last_autoanalyze_time(c.oid)
+ AS last_autoanalyze,
+ COALESCE(a.attname, ''),
+ n1.nspname AS schemaname_of_atttype,
+ t.typname,
+ a.atttypmod,
+ s.stainherit,
+ s.stanullfrac,
+ s.stawidth,
+ s.stadistinct,
+ s.stakind1,
+ s.stakind2,
+ s.stakind3,
+ s.stakind4,
+ s.stakind5,
+ s.staop1,
+ s.staop2,
+ s.staop3,
+ s.staop4,
+ s.staop5,
+ s.stanumbers1,
+ s.stanumbers2,
+ s.stanumbers3,
+ s.stanumbers4,
+ s.stanumbers5,
+ s.stavalues1,
+ s.stavalues2,
+ s.stavalues3,
+ s.stavalues4,
+ s.stavalues5
+ FROM pg_statistic s
+ JOIN pg_attribute a
+ ON (s.starelid = a.attrelid AND s.staattnum = a.attnum)
+ JOIN pg_type t
+ ON a.atttypid = t.oid
+ JOIN pg_namespace n1
+ ON t.typnamespace = n1.oid
+ RIGHT JOIN pg_catalog.pg_class c
+ ON s.starelid = c.oid
+ JOIN pg_catalog.pg_namespace n2
+ ON c.relnamespace = n2.oid
+ WHERE c.relkind IN ('r', 'i', 'f', 'm')
+ AND NOT n2.nspname IN ('pg_catalog',
+ 'pg_toast',
+ 'information_schema',
+ 'dbms_stats')
+ -- AND n2.nspname = 'public'
+ -- AND c.relname = 'test'
+ -- AND a.attname = 'id'
+ AND c.relname = 'st0_idx'
+ ORDER BY starelid, staattnum)
+TO STDOUT
+(FORMAT 'binary');
+\o
+COMMIT;
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+ nspname | relname | relpages | reltuples | relallvisible | curpages | attname | nspname_of_typename | typname | atttypmod | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+---------+---------+----------+-----------+---------------+----------+---------+---------------------+---------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------+------------+------------+------------+------------
+ public | st0_idx | 2 | 2 | 0 | 2 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0 | st0_idx | 2 | 2 | 0 | 2 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+(2 rows)
+
+TRUNCATE dbms_stats.work;
+\! rm doc/export_plain_stats-9.3.sql.sample_test
+-- No.16-1-6
+\! sed '/ORDER/i\\ AND c.relname = '"\'ss0\'" doc/export_plain_stats-9.3.sql.sample > doc/export_plain_stats-9.3.sql.sample_test
+\i doc/export_plain_stats-9.3.sql.sample_test
+/*
+ * If you want the statistics of per-relation or per-column, please modify
+ * nspname, relname, and attname in 'WHERE' clause.
+ */
+BEGIN TRANSACTION ISOLATION LEVEL SERIALIZABLE;
+/*
+ * If you want to chage the output file name, please modify the following name.
+ */
+\o export_stats.dmp
+COPY (SELECT n2.nspname,
+ c.relname,
+ c.relpages,
+ c.reltuples,
+ c.relallvisible,
+ (pg_relation_size(c.oid) / current_setting('block_size')::int4)::int4
+ AS curpages,
+ pg_catalog.pg_stat_get_last_analyze_time(c.oid)
+ AS last_analyze,
+ pg_catalog.pg_stat_get_last_autoanalyze_time(c.oid)
+ AS last_autoanalyze,
+ COALESCE(a.attname, ''),
+ n1.nspname AS schemaname_of_atttype,
+ t.typname,
+ a.atttypmod,
+ s.stainherit,
+ s.stanullfrac,
+ s.stawidth,
+ s.stadistinct,
+ s.stakind1,
+ s.stakind2,
+ s.stakind3,
+ s.stakind4,
+ s.stakind5,
+ s.staop1,
+ s.staop2,
+ s.staop3,
+ s.staop4,
+ s.staop5,
+ s.stanumbers1,
+ s.stanumbers2,
+ s.stanumbers3,
+ s.stanumbers4,
+ s.stanumbers5,
+ s.stavalues1,
+ s.stavalues2,
+ s.stavalues3,
+ s.stavalues4,
+ s.stavalues5
+ FROM pg_statistic s
+ JOIN pg_attribute a
+ ON (s.starelid = a.attrelid AND s.staattnum = a.attnum)
+ JOIN pg_type t
+ ON a.atttypid = t.oid
+ JOIN pg_namespace n1
+ ON t.typnamespace = n1.oid
+ RIGHT JOIN pg_catalog.pg_class c
+ ON s.starelid = c.oid
+ JOIN pg_catalog.pg_namespace n2
+ ON c.relnamespace = n2.oid
+ WHERE c.relkind IN ('r', 'i', 'f', 'm')
+ AND NOT n2.nspname IN ('pg_catalog',
+ 'pg_toast',
+ 'information_schema',
+ 'dbms_stats')
+ -- AND n2.nspname = 'public'
+ -- AND c.relname = 'test'
+ -- AND a.attname = 'id'
+ AND c.relname = 'ss0'
+ ORDER BY starelid, staattnum)
+TO STDOUT
+(FORMAT 'binary');
+\o
+COMMIT;
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+ nspname | relname | relpages | reltuples | relallvisible | curpages | attname | nspname_of_typename | typname | atttypmod | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+---------+---------+----------+-----------+---------------+----------+---------+---------------------+---------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------+------------+------------+------------+------------
+(0 rows)
+
+TRUNCATE dbms_stats.work;
+\! rm doc/export_plain_stats-9.3.sql.sample_test
+-- No.16-1-7
+\! sed '/ORDER/i\\ AND c.relname = '"\'sc0\'" doc/export_plain_stats-9.3.sql.sample > doc/export_plain_stats-9.3.sql.sample_test
+\i doc/export_plain_stats-9.3.sql.sample_test
+/*
+ * If you want the statistics of per-relation or per-column, please modify
+ * nspname, relname, and attname in 'WHERE' clause.
+ */
+BEGIN TRANSACTION ISOLATION LEVEL SERIALIZABLE;
+/*
+ * If you want to chage the output file name, please modify the following name.
+ */
+\o export_stats.dmp
+COPY (SELECT n2.nspname,
+ c.relname,
+ c.relpages,
+ c.reltuples,
+ c.relallvisible,
+ (pg_relation_size(c.oid) / current_setting('block_size')::int4)::int4
+ AS curpages,
+ pg_catalog.pg_stat_get_last_analyze_time(c.oid)
+ AS last_analyze,
+ pg_catalog.pg_stat_get_last_autoanalyze_time(c.oid)
+ AS last_autoanalyze,
+ COALESCE(a.attname, ''),
+ n1.nspname AS schemaname_of_atttype,
+ t.typname,
+ a.atttypmod,
+ s.stainherit,
+ s.stanullfrac,
+ s.stawidth,
+ s.stadistinct,
+ s.stakind1,
+ s.stakind2,
+ s.stakind3,
+ s.stakind4,
+ s.stakind5,
+ s.staop1,
+ s.staop2,
+ s.staop3,
+ s.staop4,
+ s.staop5,
+ s.stanumbers1,
+ s.stanumbers2,
+ s.stanumbers3,
+ s.stanumbers4,
+ s.stanumbers5,
+ s.stavalues1,
+ s.stavalues2,
+ s.stavalues3,
+ s.stavalues4,
+ s.stavalues5
+ FROM pg_statistic s
+ JOIN pg_attribute a
+ ON (s.starelid = a.attrelid AND s.staattnum = a.attnum)
+ JOIN pg_type t
+ ON a.atttypid = t.oid
+ JOIN pg_namespace n1
+ ON t.typnamespace = n1.oid
+ RIGHT JOIN pg_catalog.pg_class c
+ ON s.starelid = c.oid
+ JOIN pg_catalog.pg_namespace n2
+ ON c.relnamespace = n2.oid
+ WHERE c.relkind IN ('r', 'i', 'f', 'm')
+ AND NOT n2.nspname IN ('pg_catalog',
+ 'pg_toast',
+ 'information_schema',
+ 'dbms_stats')
+ -- AND n2.nspname = 'public'
+ -- AND c.relname = 'test'
+ -- AND a.attname = 'id'
+ AND c.relname = 'sc0'
+ ORDER BY starelid, staattnum)
+TO STDOUT
+(FORMAT 'binary');
+\o
+COMMIT;
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+ nspname | relname | relpages | reltuples | relallvisible | curpages | attname | nspname_of_typename | typname | atttypmod | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+---------+---------+----------+-----------+---------------+----------+---------+---------------------+---------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------+------------+------------+------------+------------
+(0 rows)
+
+TRUNCATE dbms_stats.work;
+\! rm doc/export_plain_stats-9.3.sql.sample_test
+-- No.16-1-8
+\! sed '/ORDER/i\\ AND c.relname = '"\'sft0\'" doc/export_plain_stats-9.3.sql.sample > doc/export_plain_stats-9.3.sql.sample_test
+\i doc/export_plain_stats-9.3.sql.sample_test
+/*
+ * If you want the statistics of per-relation or per-column, please modify
+ * nspname, relname, and attname in 'WHERE' clause.
+ */
+BEGIN TRANSACTION ISOLATION LEVEL SERIALIZABLE;
+/*
+ * If you want to chage the output file name, please modify the following name.
+ */
+\o export_stats.dmp
+COPY (SELECT n2.nspname,
+ c.relname,
+ c.relpages,
+ c.reltuples,
+ c.relallvisible,
+ (pg_relation_size(c.oid) / current_setting('block_size')::int4)::int4
+ AS curpages,
+ pg_catalog.pg_stat_get_last_analyze_time(c.oid)
+ AS last_analyze,
+ pg_catalog.pg_stat_get_last_autoanalyze_time(c.oid)
+ AS last_autoanalyze,
+ COALESCE(a.attname, ''),
+ n1.nspname AS schemaname_of_atttype,
+ t.typname,
+ a.atttypmod,
+ s.stainherit,
+ s.stanullfrac,
+ s.stawidth,
+ s.stadistinct,
+ s.stakind1,
+ s.stakind2,
+ s.stakind3,
+ s.stakind4,
+ s.stakind5,
+ s.staop1,
+ s.staop2,
+ s.staop3,
+ s.staop4,
+ s.staop5,
+ s.stanumbers1,
+ s.stanumbers2,
+ s.stanumbers3,
+ s.stanumbers4,
+ s.stanumbers5,
+ s.stavalues1,
+ s.stavalues2,
+ s.stavalues3,
+ s.stavalues4,
+ s.stavalues5
+ FROM pg_statistic s
+ JOIN pg_attribute a
+ ON (s.starelid = a.attrelid AND s.staattnum = a.attnum)
+ JOIN pg_type t
+ ON a.atttypid = t.oid
+ JOIN pg_namespace n1
+ ON t.typnamespace = n1.oid
+ RIGHT JOIN pg_catalog.pg_class c
+ ON s.starelid = c.oid
+ JOIN pg_catalog.pg_namespace n2
+ ON c.relnamespace = n2.oid
+ WHERE c.relkind IN ('r', 'i', 'f', 'm')
+ AND NOT n2.nspname IN ('pg_catalog',
+ 'pg_toast',
+ 'information_schema',
+ 'dbms_stats')
+ -- AND n2.nspname = 'public'
+ -- AND c.relname = 'test'
+ -- AND a.attname = 'id'
+ AND c.relname = 'sft0'
+ ORDER BY starelid, staattnum)
+TO STDOUT
+(FORMAT 'binary');
+\o
+COMMIT;
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+ nspname | relname | relpages | reltuples | relallvisible | curpages | attname | nspname_of_typename | typname | atttypmod | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+---------+---------+----------+-----------+---------------+----------+---------+---------------------+---------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------------------+------------+------------+------------+------------
+ s0 | sft0 | 1 | 10 | 0 | 0 | id | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,3,4,5,6,7,8,9,10} | (null) | (null) | (null) | (null)
+(1 row)
+
+TRUNCATE dbms_stats.work;
+\! rm doc/export_plain_stats-9.3.sql.sample_test
+-- No.16-1-9
+\! sed '/ORDER/i\\ AND c.relname = '"\'smv0\'" doc/export_plain_stats-9.3.sql.sample > doc/export_plain_stats-9.3.sql.sample_test
+\i doc/export_plain_stats-9.3.sql.sample_test
+/*
+ * If you want the statistics of per-relation or per-column, please modify
+ * nspname, relname, and attname in 'WHERE' clause.
+ */
+BEGIN TRANSACTION ISOLATION LEVEL SERIALIZABLE;
+/*
+ * If you want to chage the output file name, please modify the following name.
+ */
+\o export_stats.dmp
+COPY (SELECT n2.nspname,
+ c.relname,
+ c.relpages,
+ c.reltuples,
+ c.relallvisible,
+ (pg_relation_size(c.oid) / current_setting('block_size')::int4)::int4
+ AS curpages,
+ pg_catalog.pg_stat_get_last_analyze_time(c.oid)
+ AS last_analyze,
+ pg_catalog.pg_stat_get_last_autoanalyze_time(c.oid)
+ AS last_autoanalyze,
+ COALESCE(a.attname, ''),
+ n1.nspname AS schemaname_of_atttype,
+ t.typname,
+ a.atttypmod,
+ s.stainherit,
+ s.stanullfrac,
+ s.stawidth,
+ s.stadistinct,
+ s.stakind1,
+ s.stakind2,
+ s.stakind3,
+ s.stakind4,
+ s.stakind5,
+ s.staop1,
+ s.staop2,
+ s.staop3,
+ s.staop4,
+ s.staop5,
+ s.stanumbers1,
+ s.stanumbers2,
+ s.stanumbers3,
+ s.stanumbers4,
+ s.stanumbers5,
+ s.stavalues1,
+ s.stavalues2,
+ s.stavalues3,
+ s.stavalues4,
+ s.stavalues5
+ FROM pg_statistic s
+ JOIN pg_attribute a
+ ON (s.starelid = a.attrelid AND s.staattnum = a.attnum)
+ JOIN pg_type t
+ ON a.atttypid = t.oid
+ JOIN pg_namespace n1
+ ON t.typnamespace = n1.oid
+ RIGHT JOIN pg_catalog.pg_class c
+ ON s.starelid = c.oid
+ JOIN pg_catalog.pg_namespace n2
+ ON c.relnamespace = n2.oid
+ WHERE c.relkind IN ('r', 'i', 'f', 'm')
+ AND NOT n2.nspname IN ('pg_catalog',
+ 'pg_toast',
+ 'information_schema',
+ 'dbms_stats')
+ -- AND n2.nspname = 'public'
+ -- AND c.relname = 'test'
+ -- AND a.attname = 'id'
+ AND c.relname = 'smv0'
+ ORDER BY starelid, staattnum)
+TO STDOUT
+(FORMAT 'binary');
+\o
+COMMIT;
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+ nspname | relname | relpages | reltuples | relallvisible | curpages | attname | nspname_of_typename | typname | atttypmod | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+---------+---------+----------+-----------+---------------+----------+---------+---------------------+---------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------+------------+------------+------------+------------
+ s0 | smv0 | 1 | 2 | 1 | 1 | id | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2} | (null) | (null) | (null) | (null)
+ s0 | smv0 | 1 | 2 | 1 | 1 | num | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20} | (null) | (null) | (null) | (null)
+ s0 | smv0 | 1 | 2 | 1 | 1 | txt | pg_catalog | text | -1 | f | 0 | 3 | -1 | 2 | 3 | 0 | 0 | 0 | 664 | 664 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,test} | (null) | (null) | (null) | (null)
+(3 rows)
+
+TRUNCATE dbms_stats.work;
+\! rm doc/export_plain_stats-9.3.sql.sample_test
+-- No.16-1-10
+\! sed '/ORDER/i\\ AND n2.nspname = '"\'s0\'"' AND a.attname = '\'id\' doc/export_plain_stats-9.3.sql.sample > doc/export_plain_stats-9.3.sql.sample_test
+\i doc/export_plain_stats-9.3.sql.sample_test
+/*
+ * If you want the statistics of per-relation or per-column, please modify
+ * nspname, relname, and attname in 'WHERE' clause.
+ */
+BEGIN TRANSACTION ISOLATION LEVEL SERIALIZABLE;
+/*
+ * If you want to chage the output file name, please modify the following name.
+ */
+\o export_stats.dmp
+COPY (SELECT n2.nspname,
+ c.relname,
+ c.relpages,
+ c.reltuples,
+ c.relallvisible,
+ (pg_relation_size(c.oid) / current_setting('block_size')::int4)::int4
+ AS curpages,
+ pg_catalog.pg_stat_get_last_analyze_time(c.oid)
+ AS last_analyze,
+ pg_catalog.pg_stat_get_last_autoanalyze_time(c.oid)
+ AS last_autoanalyze,
+ COALESCE(a.attname, ''),
+ n1.nspname AS schemaname_of_atttype,
+ t.typname,
+ a.atttypmod,
+ s.stainherit,
+ s.stanullfrac,
+ s.stawidth,
+ s.stadistinct,
+ s.stakind1,
+ s.stakind2,
+ s.stakind3,
+ s.stakind4,
+ s.stakind5,
+ s.staop1,
+ s.staop2,
+ s.staop3,
+ s.staop4,
+ s.staop5,
+ s.stanumbers1,
+ s.stanumbers2,
+ s.stanumbers3,
+ s.stanumbers4,
+ s.stanumbers5,
+ s.stavalues1,
+ s.stavalues2,
+ s.stavalues3,
+ s.stavalues4,
+ s.stavalues5
+ FROM pg_statistic s
+ JOIN pg_attribute a
+ ON (s.starelid = a.attrelid AND s.staattnum = a.attnum)
+ JOIN pg_type t
+ ON a.atttypid = t.oid
+ JOIN pg_namespace n1
+ ON t.typnamespace = n1.oid
+ RIGHT JOIN pg_catalog.pg_class c
+ ON s.starelid = c.oid
+ JOIN pg_catalog.pg_namespace n2
+ ON c.relnamespace = n2.oid
+ WHERE c.relkind IN ('r', 'i', 'f', 'm')
+ AND NOT n2.nspname IN ('pg_catalog',
+ 'pg_toast',
+ 'information_schema',
+ 'dbms_stats')
+ -- AND n2.nspname = 'public'
+ -- AND c.relname = 'test'
+ -- AND a.attname = 'id'
+ AND n2.nspname = 's0' AND a.attname = 'id'
+ ORDER BY starelid, staattnum)
+TO STDOUT
+(FORMAT 'binary');
+\o
+COMMIT;
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+ nspname | relname | relpages | reltuples | relallvisible | curpages | attname | nspname_of_typename | typname | atttypmod | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+---------+---------+----------+-----------+---------------+----------+---------+---------------------+---------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------------------+------------+------------+------------+------------
+ s0 | sft0 | 1 | 10 | 0 | 0 | id | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,3,4,5,6,7,8,9,10} | (null) | (null) | (null) | (null)
+ s0 | smv0 | 1 | 2 | 1 | 1 | id | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2} | (null) | (null) | (null) | (null)
+ s0 | st0 | 1 | 2 | 1 | 1 | id | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2} | (null) | (null) | (null) | (null)
+ s0 | st0 | 1 | 2 | 1 | 1 | id | pg_catalog | int4 | -1 | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,4,5,6} | (null) | (null) | (null) | (null)
+ s0 | st1 | 1 | 3 | 1 | 1 | id | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {4,5,6} | (null) | (null) | (null) | (null)
+ s0 | st2 | 1 | 3 | 1 | 1 | id | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,3} | (null) | (null) | (null) | (null)
+(6 rows)
+
+TRUNCATE dbms_stats.work;
+\! rm doc/export_plain_stats-9.3.sql.sample_test
+-- No.16-1-11
+\! sed '/ORDER/i\\ AND n2.nspname = '"\'s0\'"' AND a.attname IS NULL' doc/export_plain_stats-9.3.sql.sample > doc/export_plain_stats-9.3.sql.sample_test
+\i doc/export_plain_stats-9.3.sql.sample_test
+/*
+ * If you want the statistics of per-relation or per-column, please modify
+ * nspname, relname, and attname in 'WHERE' clause.
+ */
+BEGIN TRANSACTION ISOLATION LEVEL SERIALIZABLE;
+/*
+ * If you want to chage the output file name, please modify the following name.
+ */
+\o export_stats.dmp
+COPY (SELECT n2.nspname,
+ c.relname,
+ c.relpages,
+ c.reltuples,
+ c.relallvisible,
+ (pg_relation_size(c.oid) / current_setting('block_size')::int4)::int4
+ AS curpages,
+ pg_catalog.pg_stat_get_last_analyze_time(c.oid)
+ AS last_analyze,
+ pg_catalog.pg_stat_get_last_autoanalyze_time(c.oid)
+ AS last_autoanalyze,
+ COALESCE(a.attname, ''),
+ n1.nspname AS schemaname_of_atttype,
+ t.typname,
+ a.atttypmod,
+ s.stainherit,
+ s.stanullfrac,
+ s.stawidth,
+ s.stadistinct,
+ s.stakind1,
+ s.stakind2,
+ s.stakind3,
+ s.stakind4,
+ s.stakind5,
+ s.staop1,
+ s.staop2,
+ s.staop3,
+ s.staop4,
+ s.staop5,
+ s.stanumbers1,
+ s.stanumbers2,
+ s.stanumbers3,
+ s.stanumbers4,
+ s.stanumbers5,
+ s.stavalues1,
+ s.stavalues2,
+ s.stavalues3,
+ s.stavalues4,
+ s.stavalues5
+ FROM pg_statistic s
+ JOIN pg_attribute a
+ ON (s.starelid = a.attrelid AND s.staattnum = a.attnum)
+ JOIN pg_type t
+ ON a.atttypid = t.oid
+ JOIN pg_namespace n1
+ ON t.typnamespace = n1.oid
+ RIGHT JOIN pg_catalog.pg_class c
+ ON s.starelid = c.oid
+ JOIN pg_catalog.pg_namespace n2
+ ON c.relnamespace = n2.oid
+ WHERE c.relkind IN ('r', 'i', 'f', 'm')
+ AND NOT n2.nspname IN ('pg_catalog',
+ 'pg_toast',
+ 'information_schema',
+ 'dbms_stats')
+ -- AND n2.nspname = 'public'
+ -- AND c.relname = 'test'
+ -- AND a.attname = 'id'
+ AND n2.nspname = 's0' AND a.attname IS NULL
+ ORDER BY starelid, staattnum)
+TO STDOUT
+(FORMAT 'binary');
+\o
+COMMIT;
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+ nspname | relname | relpages | reltuples | relallvisible | curpages | attname | nspname_of_typename | typname | atttypmod | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+---------+---------+----------+-----------+---------------+----------+---------+---------------------+---------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------+------------+------------+------------+------------
+ s0 | st0_idx | 2 | 2 | 0 | 2 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0 | st1_idx | 2 | 3 | 0 | 2 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0 | st2_idx | 2 | 3 | 0 | 2 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0 | st3 | 0 | 0 | 0 | 0 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+(4 rows)
+
+TRUNCATE dbms_stats.work;
+\! rm doc/export_plain_stats-9.3.sql.sample_test
+-- No.16-1-12
+\! sed '/ORDER/i\\ AND n2.nspname = '"\'s1\'"' AND c.relname IS NULL' doc/export_plain_stats-9.3.sql.sample > doc/export_plain_stats-9.3.sql.sample_test
+\i doc/export_plain_stats-9.3.sql.sample_test
+/*
+ * If you want the statistics of per-relation or per-column, please modify
+ * nspname, relname, and attname in 'WHERE' clause.
+ */
+BEGIN TRANSACTION ISOLATION LEVEL SERIALIZABLE;
+/*
+ * If you want to chage the output file name, please modify the following name.
+ */
+\o export_stats.dmp
+COPY (SELECT n2.nspname,
+ c.relname,
+ c.relpages,
+ c.reltuples,
+ c.relallvisible,
+ (pg_relation_size(c.oid) / current_setting('block_size')::int4)::int4
+ AS curpages,
+ pg_catalog.pg_stat_get_last_analyze_time(c.oid)
+ AS last_analyze,
+ pg_catalog.pg_stat_get_last_autoanalyze_time(c.oid)
+ AS last_autoanalyze,
+ COALESCE(a.attname, ''),
+ n1.nspname AS schemaname_of_atttype,
+ t.typname,
+ a.atttypmod,
+ s.stainherit,
+ s.stanullfrac,
+ s.stawidth,
+ s.stadistinct,
+ s.stakind1,
+ s.stakind2,
+ s.stakind3,
+ s.stakind4,
+ s.stakind5,
+ s.staop1,
+ s.staop2,
+ s.staop3,
+ s.staop4,
+ s.staop5,
+ s.stanumbers1,
+ s.stanumbers2,
+ s.stanumbers3,
+ s.stanumbers4,
+ s.stanumbers5,
+ s.stavalues1,
+ s.stavalues2,
+ s.stavalues3,
+ s.stavalues4,
+ s.stavalues5
+ FROM pg_statistic s
+ JOIN pg_attribute a
+ ON (s.starelid = a.attrelid AND s.staattnum = a.attnum)
+ JOIN pg_type t
+ ON a.atttypid = t.oid
+ JOIN pg_namespace n1
+ ON t.typnamespace = n1.oid
+ RIGHT JOIN pg_catalog.pg_class c
+ ON s.starelid = c.oid
+ JOIN pg_catalog.pg_namespace n2
+ ON c.relnamespace = n2.oid
+ WHERE c.relkind IN ('r', 'i', 'f', 'm')
+ AND NOT n2.nspname IN ('pg_catalog',
+ 'pg_toast',
+ 'information_schema',
+ 'dbms_stats')
+ -- AND n2.nspname = 'public'
+ -- AND c.relname = 'test'
+ -- AND a.attname = 'id'
+ AND n2.nspname = 's1' AND c.relname IS NULL
+ ORDER BY starelid, staattnum)
+TO STDOUT
+(FORMAT 'binary');
+\o
+COMMIT;
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+ nspname | relname | relpages | reltuples | relallvisible | curpages | attname | nspname_of_typename | typname | atttypmod | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+---------+---------+----------+-----------+---------------+----------+---------+---------------------+---------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------+------------+------------+------------+------------
+(0 rows)
+
+TRUNCATE dbms_stats.work;
+\! rm doc/export_plain_stats-9.3.sql.sample_test
+/*
+ * No.16-2 export_effective_stats-9.3.sql.sample
+ */
+-- No.16-2-1
+VACUUM ANALYZE;
+SELECT dbms_stats.lock_database_stats();
+ lock_database_stats
+---------------------
+ pt0
+ pt0_idx
+ st0
+ st0_idx
+ st1
+ s0.st0
+ s0.st0_idx
+ s0.st1
+ s0.st1_idx
+ s0.st2
+ s0.st2_idx
+ st1_idx
+ st1_exp
+ s0.sft0
+ s0.smv0
+ s1.st0
+ s0.st3
+(17 rows)
+
+UPDATE dbms_stats._relation_stats_locked
+ SET (relpages, reltuples, relallvisible, curpages) = (NULL, NULL, NULL, NULL);
+UPDATE dbms_stats._column_stats_locked
+ SET (stanullfrac, stawidth, stadistinct,
+ stakind1, stakind2, stakind3, stakind4, stakind5,
+ staop1, staop2, staop3, staop4, staop5,
+ stanumbers1, stanumbers2, stanumbers3, stanumbers4, stanumbers5,
+ stavalues1, stavalues2, stavalues3, stavalues4, stavalues5)
+ = (NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL)
+ WHERE starelid = 's0.st0'::regclass;
+\i doc/export_effective_stats-9.3.sql.sample
+/*
+ * If you want the statistics of per-relation or per-column, please modify
+ * nspname, relname, and attname in 'WHERE' clause.
+ */
+BEGIN TRANSACTION ISOLATION LEVEL SERIALIZABLE;
+/*
+ * If you want to chage the output file name, please modify the following name.
+ */
+\o export_stats.dmp
+COPY (SELECT n2.nspname,
+ cl.relname,
+ r.relpages,
+ r.reltuples,
+ r.relallvisible,
+ r.curpages,
+ r.last_analyze,
+ r.last_autoanalyze,
+ COALESCE(a.attname, ''),
+ n1.nspname AS schemaname_of_atttype,
+ t.typname,
+ a.atttypmod,
+ co.stainherit,
+ co.stanullfrac,
+ co.stawidth,
+ co.stadistinct,
+ co.stakind1,
+ co.stakind2,
+ co.stakind3,
+ co.stakind4,
+ co.stakind5,
+ co.staop1,
+ co.staop2,
+ co.staop3,
+ co.staop4,
+ co.staop5,
+ co.stanumbers1,
+ co.stanumbers2,
+ co.stanumbers3,
+ co.stanumbers4,
+ co.stanumbers5,
+ co.stavalues1,
+ co.stavalues2,
+ co.stavalues3,
+ co.stavalues4,
+ co.stavalues5
+ FROM dbms_stats.column_stats_effective co
+ JOIN pg_attribute a
+ ON (co.starelid = a.attrelid AND co.staattnum = a.attnum)
+ JOIN pg_type t
+ ON a.atttypid = t.oid
+ JOIN pg_namespace n1
+ ON t.typnamespace = n1.oid
+ RIGHT JOIN dbms_stats.relation_stats_effective r
+ ON co.starelid = r.relid
+ JOIN pg_catalog.pg_class cl
+ ON r.relid = cl.oid
+ JOIN pg_catalog.pg_namespace n2
+ ON cl.relnamespace = n2.oid
+ -- WHERE n2.nspname = 'public'
+ -- AND cl.relname = 'test'
+ -- AND a.attname = 'id'
+ ORDER BY starelid, staattnum)
+TO STDOUT
+(FORMAT 'binary');
+\o
+COMMIT;
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+ nspname | relname | relpages | reltuples | relallvisible | curpages | attname | nspname_of_typename | typname | atttypmod | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+---------+---------+----------+-----------+---------------+----------+---------+---------------------+---------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------------+------------+------------------------+------------+------------
+ public | pt0 | 0 | 0 | 0 | 0 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ public | pt0_idx | 2 | 0 | 0 | 2 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ public | st0 | 1 | 2 | 1 | 1 | id | pg_catalog | int4 | -1 | f | -1 | -1 | -1 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-1,22} | {-1,23} | {-1,24} | {-1,21} | {-1,25} | (null) | (null) | {1,2} | (null) | (null)
+ public | st0 | 1 | 2 | 1 | 1 | name | pg_catalog | bpchar | 9 | f | -2 | -2 | -2 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-2,22} | {-2,23} | {-2,24} | {-2,21} | {-2,25} | (null) | (null) | {"test "} | (null) | (null)
+ public | st0_idx | 2 | 2 | 0 | 2 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ public | st1 | 45 | 10000 | 45 | 45 | str | pg_catalog | text | -1 | f | -2 | -2 | -2 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-2,22} | {-2,23} | {-2,24} | {-2,21} | {-2,25} | (null) | (null) | {1,0,2} | (null) | (null)
+ public | st1 | 45 | 10000 | 45 | 45 | val | pg_catalog | int4 | -1 | f | -1 | -1 | -1 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-1,22} | {-1,23} | {-1,24} | {-1,21} | {-1,25} | (null) | (null) | {1,0,2} | (null) | (null)
+ public | st1_exp | 30 | 10000 | 0 | 30 | lower | pg_catalog | text | -1 | f | -1 | -1 | -1 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-1,22} | {-1,23} | {-1,24} | {-1,21} | {-1,25} | (null) | (null) | {1,0,2} | (null) | (null)
+ public | st1_idx | 30 | 10000 | 0 | 30 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0 | sft0 | 1 | 10 | 0 | 0 | id | pg_catalog | int4 | -1 | f | -1 | -1 | -1 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-1,22} | {-1,23} | {-1,24} | {-1,21} | {-1,25} | (null) | (null) | {1,2,3,4,5,6,7,8,9,10} | (null) | (null)
+ s0 | smv0 | 1 | 2 | 1 | 1 | id | pg_catalog | int4 | -1 | f | -1 | -1 | -1 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-1,22} | {-1,23} | {-1,24} | {-1,21} | {-1,25} | (null) | (null) | {1,2} | (null) | (null)
+ s0 | smv0 | 1 | 2 | 1 | 1 | num | pg_catalog | int4 | -1 | f | -2 | -2 | -2 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-2,22} | {-2,23} | {-2,24} | {-2,21} | {-2,25} | (null) | (null) | {10,20} | (null) | (null)
+ s0 | smv0 | 1 | 2 | 1 | 1 | txt | pg_catalog | text | -1 | f | -3 | -3 | -3 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-3,22} | {-3,23} | {-3,24} | {-3,21} | {-3,25} | (null) | (null) | {1,test} | (null) | (null)
+ s0 | st0 | 1 | 2 | 1 | 1 | id | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2} | (null) | (null) | (null) | (null)
+ s0 | st0 | 1 | 2 | 1 | 1 | id | pg_catalog | int4 | -1 | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,4,5,6} | (null) | (null) | (null) | (null)
+ s0 | st0 | 1 | 2 | 1 | 1 | num | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20} | (null) | (null) | (null) | (null)
+ s0 | st0 | 1 | 2 | 1 | 1 | num | pg_catalog | int4 | -1 | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20,40,50,60} | (null) | (null) | (null) | (null)
+ s0 | st0_idx | 2 | 2 | 0 | 2 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0 | st1 | 1 | 3 | 1 | 1 | id | pg_catalog | int4 | -1 | f | -1 | -1 | -1 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-1,22} | {-1,23} | {-1,24} | {-1,21} | {-1,25} | (null) | (null) | {4,5,6} | (null) | (null)
+ s0 | st1 | 1 | 3 | 1 | 1 | num | pg_catalog | int4 | -1 | f | -2 | -2 | -2 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-2,22} | {-2,23} | {-2,24} | {-2,21} | {-2,25} | (null) | (null) | {40,50,60} | (null) | (null)
+ s0 | st1_idx | 2 | 3 | 0 | 2 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0 | st2 | 1 | 3 | 1 | 1 | id | pg_catalog | int4 | -1 | f | -1 | -1 | -1 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-1,22} | {-1,23} | {-1,24} | {-1,21} | {-1,25} | (null) | (null) | {1,2,3} | (null) | (null)
+ s0 | st2 | 1 | 3 | 1 | 1 | txt | pg_catalog | text | -1 | f | -2 | -2 | -2 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-2,22} | {-2,23} | {-2,24} | {-2,21} | {-2,25} | (null) | (null) | {1,comment,test} | (null) | (null)
+ s0 | st2_idx | 2 | 3 | 0 | 2 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0 | st3 | 0 | 0 | 0 | 0 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s1 | st0 | 1 | 4 | 1 | 1 | id | pg_catalog | int4 | -1 | f | -1 | -1 | -1 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-1,22} | {-1,23} | {-1,24} | {-1,21} | {-1,25} | (null) | (null) | {1,2,3,4} | (null) | (null)
+ s1 | st0 | 1 | 4 | 1 | 1 | num | pg_catalog | int4 | -1 | f | -2 | -2 | -2 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-2,22} | {-2,23} | {-2,24} | {-2,21} | {-2,25} | (null) | (null) | {15,25,35,45} | (null) | (null)
+(27 rows)
+
+TRUNCATE dbms_stats.work;
+-- No.16-2-2
+\! sed '/ORDER/i\\ WHERE n2.nspname = '"\'s0\'" doc/export_effective_stats-9.3.sql.sample > doc/export_effective_stats-9.3.sql.sample_test
+\i doc/export_effective_stats-9.3.sql.sample_test
+/*
+ * If you want the statistics of per-relation or per-column, please modify
+ * nspname, relname, and attname in 'WHERE' clause.
+ */
+BEGIN TRANSACTION ISOLATION LEVEL SERIALIZABLE;
+/*
+ * If you want to chage the output file name, please modify the following name.
+ */
+\o export_stats.dmp
+COPY (SELECT n2.nspname,
+ cl.relname,
+ r.relpages,
+ r.reltuples,
+ r.relallvisible,
+ r.curpages,
+ r.last_analyze,
+ r.last_autoanalyze,
+ COALESCE(a.attname, ''),
+ n1.nspname AS schemaname_of_atttype,
+ t.typname,
+ a.atttypmod,
+ co.stainherit,
+ co.stanullfrac,
+ co.stawidth,
+ co.stadistinct,
+ co.stakind1,
+ co.stakind2,
+ co.stakind3,
+ co.stakind4,
+ co.stakind5,
+ co.staop1,
+ co.staop2,
+ co.staop3,
+ co.staop4,
+ co.staop5,
+ co.stanumbers1,
+ co.stanumbers2,
+ co.stanumbers3,
+ co.stanumbers4,
+ co.stanumbers5,
+ co.stavalues1,
+ co.stavalues2,
+ co.stavalues3,
+ co.stavalues4,
+ co.stavalues5
+ FROM dbms_stats.column_stats_effective co
+ JOIN pg_attribute a
+ ON (co.starelid = a.attrelid AND co.staattnum = a.attnum)
+ JOIN pg_type t
+ ON a.atttypid = t.oid
+ JOIN pg_namespace n1
+ ON t.typnamespace = n1.oid
+ RIGHT JOIN dbms_stats.relation_stats_effective r
+ ON co.starelid = r.relid
+ JOIN pg_catalog.pg_class cl
+ ON r.relid = cl.oid
+ JOIN pg_catalog.pg_namespace n2
+ ON cl.relnamespace = n2.oid
+ -- WHERE n2.nspname = 'public'
+ -- AND cl.relname = 'test'
+ -- AND a.attname = 'id'
+ WHERE n2.nspname = 's0'
+ ORDER BY starelid, staattnum)
+TO STDOUT
+(FORMAT 'binary');
+\o
+COMMIT;
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+ nspname | relname | relpages | reltuples | relallvisible | curpages | attname | nspname_of_typename | typname | atttypmod | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+---------+---------+----------+-----------+---------------+----------+---------+---------------------+---------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------------+------------+------------------------+------------+------------
+ s0 | sft0 | 1 | 10 | 0 | 0 | id | pg_catalog | int4 | -1 | f | -1 | -1 | -1 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-1,22} | {-1,23} | {-1,24} | {-1,21} | {-1,25} | (null) | (null) | {1,2,3,4,5,6,7,8,9,10} | (null) | (null)
+ s0 | smv0 | 1 | 2 | 1 | 1 | id | pg_catalog | int4 | -1 | f | -1 | -1 | -1 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-1,22} | {-1,23} | {-1,24} | {-1,21} | {-1,25} | (null) | (null) | {1,2} | (null) | (null)
+ s0 | smv0 | 1 | 2 | 1 | 1 | num | pg_catalog | int4 | -1 | f | -2 | -2 | -2 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-2,22} | {-2,23} | {-2,24} | {-2,21} | {-2,25} | (null) | (null) | {10,20} | (null) | (null)
+ s0 | smv0 | 1 | 2 | 1 | 1 | txt | pg_catalog | text | -1 | f | -3 | -3 | -3 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-3,22} | {-3,23} | {-3,24} | {-3,21} | {-3,25} | (null) | (null) | {1,test} | (null) | (null)
+ s0 | st0 | 1 | 2 | 1 | 1 | id | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2} | (null) | (null) | (null) | (null)
+ s0 | st0 | 1 | 2 | 1 | 1 | id | pg_catalog | int4 | -1 | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,4,5,6} | (null) | (null) | (null) | (null)
+ s0 | st0 | 1 | 2 | 1 | 1 | num | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20} | (null) | (null) | (null) | (null)
+ s0 | st0 | 1 | 2 | 1 | 1 | num | pg_catalog | int4 | -1 | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20,40,50,60} | (null) | (null) | (null) | (null)
+ s0 | st0_idx | 2 | 2 | 0 | 2 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0 | st1 | 1 | 3 | 1 | 1 | id | pg_catalog | int4 | -1 | f | -1 | -1 | -1 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-1,22} | {-1,23} | {-1,24} | {-1,21} | {-1,25} | (null) | (null) | {4,5,6} | (null) | (null)
+ s0 | st1 | 1 | 3 | 1 | 1 | num | pg_catalog | int4 | -1 | f | -2 | -2 | -2 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-2,22} | {-2,23} | {-2,24} | {-2,21} | {-2,25} | (null) | (null) | {40,50,60} | (null) | (null)
+ s0 | st1_idx | 2 | 3 | 0 | 2 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0 | st2 | 1 | 3 | 1 | 1 | id | pg_catalog | int4 | -1 | f | -1 | -1 | -1 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-1,22} | {-1,23} | {-1,24} | {-1,21} | {-1,25} | (null) | (null) | {1,2,3} | (null) | (null)
+ s0 | st2 | 1 | 3 | 1 | 1 | txt | pg_catalog | text | -1 | f | -2 | -2 | -2 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-2,22} | {-2,23} | {-2,24} | {-2,21} | {-2,25} | (null) | (null) | {1,comment,test} | (null) | (null)
+ s0 | st2_idx | 2 | 3 | 0 | 2 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0 | st3 | 0 | 0 | 0 | 0 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+(16 rows)
+
+\! rm doc/export_effective_stats-9.3.sql.sample_test
+TRUNCATE dbms_stats.work;
+-- No.16-2-3
+\! sed '/ORDER/i\\ WHERE cl.relname = '"\'st0\'" doc/export_effective_stats-9.3.sql.sample > doc/export_effective_stats-9.3.sql.sample_test
+\i doc/export_effective_stats-9.3.sql.sample_test
+/*
+ * If you want the statistics of per-relation or per-column, please modify
+ * nspname, relname, and attname in 'WHERE' clause.
+ */
+BEGIN TRANSACTION ISOLATION LEVEL SERIALIZABLE;
+/*
+ * If you want to chage the output file name, please modify the following name.
+ */
+\o export_stats.dmp
+COPY (SELECT n2.nspname,
+ cl.relname,
+ r.relpages,
+ r.reltuples,
+ r.relallvisible,
+ r.curpages,
+ r.last_analyze,
+ r.last_autoanalyze,
+ COALESCE(a.attname, ''),
+ n1.nspname AS schemaname_of_atttype,
+ t.typname,
+ a.atttypmod,
+ co.stainherit,
+ co.stanullfrac,
+ co.stawidth,
+ co.stadistinct,
+ co.stakind1,
+ co.stakind2,
+ co.stakind3,
+ co.stakind4,
+ co.stakind5,
+ co.staop1,
+ co.staop2,
+ co.staop3,
+ co.staop4,
+ co.staop5,
+ co.stanumbers1,
+ co.stanumbers2,
+ co.stanumbers3,
+ co.stanumbers4,
+ co.stanumbers5,
+ co.stavalues1,
+ co.stavalues2,
+ co.stavalues3,
+ co.stavalues4,
+ co.stavalues5
+ FROM dbms_stats.column_stats_effective co
+ JOIN pg_attribute a
+ ON (co.starelid = a.attrelid AND co.staattnum = a.attnum)
+ JOIN pg_type t
+ ON a.atttypid = t.oid
+ JOIN pg_namespace n1
+ ON t.typnamespace = n1.oid
+ RIGHT JOIN dbms_stats.relation_stats_effective r
+ ON co.starelid = r.relid
+ JOIN pg_catalog.pg_class cl
+ ON r.relid = cl.oid
+ JOIN pg_catalog.pg_namespace n2
+ ON cl.relnamespace = n2.oid
+ -- WHERE n2.nspname = 'public'
+ -- AND cl.relname = 'test'
+ -- AND a.attname = 'id'
+ WHERE cl.relname = 'st0'
+ ORDER BY starelid, staattnum)
+TO STDOUT
+(FORMAT 'binary');
+\o
+COMMIT;
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+ nspname | relname | relpages | reltuples | relallvisible | curpages | attname | nspname_of_typename | typname | atttypmod | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+---------+---------+----------+-----------+---------------+----------+---------+---------------------+---------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------------+------------+---------------+------------+------------
+ public | st0 | 1 | 2 | 1 | 1 | id | pg_catalog | int4 | -1 | f | -1 | -1 | -1 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-1,22} | {-1,23} | {-1,24} | {-1,21} | {-1,25} | (null) | (null) | {1,2} | (null) | (null)
+ public | st0 | 1 | 2 | 1 | 1 | name | pg_catalog | bpchar | 9 | f | -2 | -2 | -2 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-2,22} | {-2,23} | {-2,24} | {-2,21} | {-2,25} | (null) | (null) | {"test "} | (null) | (null)
+ s0 | st0 | 1 | 2 | 1 | 1 | id | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2} | (null) | (null) | (null) | (null)
+ s0 | st0 | 1 | 2 | 1 | 1 | id | pg_catalog | int4 | -1 | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,4,5,6} | (null) | (null) | (null) | (null)
+ s0 | st0 | 1 | 2 | 1 | 1 | num | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20} | (null) | (null) | (null) | (null)
+ s0 | st0 | 1 | 2 | 1 | 1 | num | pg_catalog | int4 | -1 | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {10,20,40,50,60} | (null) | (null) | (null) | (null)
+ s1 | st0 | 1 | 4 | 1 | 1 | id | pg_catalog | int4 | -1 | f | -1 | -1 | -1 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-1,22} | {-1,23} | {-1,24} | {-1,21} | {-1,25} | (null) | (null) | {1,2,3,4} | (null) | (null)
+ s1 | st0 | 1 | 4 | 1 | 1 | num | pg_catalog | int4 | -1 | f | -2 | -2 | -2 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-2,22} | {-2,23} | {-2,24} | {-2,21} | {-2,25} | (null) | (null) | {15,25,35,45} | (null) | (null)
+(8 rows)
+
+\! rm doc/export_effective_stats-9.3.sql.sample_test
+TRUNCATE dbms_stats.work;
+-- No.16-2-4
+\! sed '/ORDER/i\\ WHERE cl.relname = '"\'pg_toast_1262\'" doc/export_effective_stats-9.3.sql.sample > doc/export_effective_stats-9.3.sql.sample_test
+\i doc/export_effective_stats-9.3.sql.sample_test
+/*
+ * If you want the statistics of per-relation or per-column, please modify
+ * nspname, relname, and attname in 'WHERE' clause.
+ */
+BEGIN TRANSACTION ISOLATION LEVEL SERIALIZABLE;
+/*
+ * If you want to chage the output file name, please modify the following name.
+ */
+\o export_stats.dmp
+COPY (SELECT n2.nspname,
+ cl.relname,
+ r.relpages,
+ r.reltuples,
+ r.relallvisible,
+ r.curpages,
+ r.last_analyze,
+ r.last_autoanalyze,
+ COALESCE(a.attname, ''),
+ n1.nspname AS schemaname_of_atttype,
+ t.typname,
+ a.atttypmod,
+ co.stainherit,
+ co.stanullfrac,
+ co.stawidth,
+ co.stadistinct,
+ co.stakind1,
+ co.stakind2,
+ co.stakind3,
+ co.stakind4,
+ co.stakind5,
+ co.staop1,
+ co.staop2,
+ co.staop3,
+ co.staop4,
+ co.staop5,
+ co.stanumbers1,
+ co.stanumbers2,
+ co.stanumbers3,
+ co.stanumbers4,
+ co.stanumbers5,
+ co.stavalues1,
+ co.stavalues2,
+ co.stavalues3,
+ co.stavalues4,
+ co.stavalues5
+ FROM dbms_stats.column_stats_effective co
+ JOIN pg_attribute a
+ ON (co.starelid = a.attrelid AND co.staattnum = a.attnum)
+ JOIN pg_type t
+ ON a.atttypid = t.oid
+ JOIN pg_namespace n1
+ ON t.typnamespace = n1.oid
+ RIGHT JOIN dbms_stats.relation_stats_effective r
+ ON co.starelid = r.relid
+ JOIN pg_catalog.pg_class cl
+ ON r.relid = cl.oid
+ JOIN pg_catalog.pg_namespace n2
+ ON cl.relnamespace = n2.oid
+ -- WHERE n2.nspname = 'public'
+ -- AND cl.relname = 'test'
+ -- AND a.attname = 'id'
+ WHERE cl.relname = 'pg_toast_1262'
+ ORDER BY starelid, staattnum)
+TO STDOUT
+(FORMAT 'binary');
+\o
+COMMIT;
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+ nspname | relname | relpages | reltuples | relallvisible | curpages | attname | nspname_of_typename | typname | atttypmod | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+---------+---------+----------+-----------+---------------+----------+---------+---------------------+---------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------+------------+------------+------------+------------
+(0 rows)
+
+\! rm doc/export_effective_stats-9.3.sql.sample_test
+TRUNCATE dbms_stats.work;
+-- No.16-2-5
+\! sed '/ORDER/i\\ WHERE cl.relname = '"\'st0_idx\'" doc/export_effective_stats-9.3.sql.sample > doc/export_effective_stats-9.3.sql.sample_test
+\i doc/export_effective_stats-9.3.sql.sample_test
+/*
+ * If you want the statistics of per-relation or per-column, please modify
+ * nspname, relname, and attname in 'WHERE' clause.
+ */
+BEGIN TRANSACTION ISOLATION LEVEL SERIALIZABLE;
+/*
+ * If you want to chage the output file name, please modify the following name.
+ */
+\o export_stats.dmp
+COPY (SELECT n2.nspname,
+ cl.relname,
+ r.relpages,
+ r.reltuples,
+ r.relallvisible,
+ r.curpages,
+ r.last_analyze,
+ r.last_autoanalyze,
+ COALESCE(a.attname, ''),
+ n1.nspname AS schemaname_of_atttype,
+ t.typname,
+ a.atttypmod,
+ co.stainherit,
+ co.stanullfrac,
+ co.stawidth,
+ co.stadistinct,
+ co.stakind1,
+ co.stakind2,
+ co.stakind3,
+ co.stakind4,
+ co.stakind5,
+ co.staop1,
+ co.staop2,
+ co.staop3,
+ co.staop4,
+ co.staop5,
+ co.stanumbers1,
+ co.stanumbers2,
+ co.stanumbers3,
+ co.stanumbers4,
+ co.stanumbers5,
+ co.stavalues1,
+ co.stavalues2,
+ co.stavalues3,
+ co.stavalues4,
+ co.stavalues5
+ FROM dbms_stats.column_stats_effective co
+ JOIN pg_attribute a
+ ON (co.starelid = a.attrelid AND co.staattnum = a.attnum)
+ JOIN pg_type t
+ ON a.atttypid = t.oid
+ JOIN pg_namespace n1
+ ON t.typnamespace = n1.oid
+ RIGHT JOIN dbms_stats.relation_stats_effective r
+ ON co.starelid = r.relid
+ JOIN pg_catalog.pg_class cl
+ ON r.relid = cl.oid
+ JOIN pg_catalog.pg_namespace n2
+ ON cl.relnamespace = n2.oid
+ -- WHERE n2.nspname = 'public'
+ -- AND cl.relname = 'test'
+ -- AND a.attname = 'id'
+ WHERE cl.relname = 'st0_idx'
+ ORDER BY starelid, staattnum)
+TO STDOUT
+(FORMAT 'binary');
+\o
+COMMIT;
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+ nspname | relname | relpages | reltuples | relallvisible | curpages | attname | nspname_of_typename | typname | atttypmod | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+---------+---------+----------+-----------+---------------+----------+---------+---------------------+---------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------+------------+------------+------------+------------
+ public | st0_idx | 2 | 2 | 0 | 2 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0 | st0_idx | 2 | 2 | 0 | 2 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+(2 rows)
+
+\! rm doc/export_effective_stats-9.3.sql.sample_test
+TRUNCATE dbms_stats.work;
+-- No.16-2-6
+\! sed '/ORDER/i\\ WHERE cl.relname = '"\'ss0\'" doc/export_effective_stats-9.3.sql.sample > doc/export_effective_stats-9.3.sql.sample_test
+\i doc/export_effective_stats-9.3.sql.sample_test
+/*
+ * If you want the statistics of per-relation or per-column, please modify
+ * nspname, relname, and attname in 'WHERE' clause.
+ */
+BEGIN TRANSACTION ISOLATION LEVEL SERIALIZABLE;
+/*
+ * If you want to chage the output file name, please modify the following name.
+ */
+\o export_stats.dmp
+COPY (SELECT n2.nspname,
+ cl.relname,
+ r.relpages,
+ r.reltuples,
+ r.relallvisible,
+ r.curpages,
+ r.last_analyze,
+ r.last_autoanalyze,
+ COALESCE(a.attname, ''),
+ n1.nspname AS schemaname_of_atttype,
+ t.typname,
+ a.atttypmod,
+ co.stainherit,
+ co.stanullfrac,
+ co.stawidth,
+ co.stadistinct,
+ co.stakind1,
+ co.stakind2,
+ co.stakind3,
+ co.stakind4,
+ co.stakind5,
+ co.staop1,
+ co.staop2,
+ co.staop3,
+ co.staop4,
+ co.staop5,
+ co.stanumbers1,
+ co.stanumbers2,
+ co.stanumbers3,
+ co.stanumbers4,
+ co.stanumbers5,
+ co.stavalues1,
+ co.stavalues2,
+ co.stavalues3,
+ co.stavalues4,
+ co.stavalues5
+ FROM dbms_stats.column_stats_effective co
+ JOIN pg_attribute a
+ ON (co.starelid = a.attrelid AND co.staattnum = a.attnum)
+ JOIN pg_type t
+ ON a.atttypid = t.oid
+ JOIN pg_namespace n1
+ ON t.typnamespace = n1.oid
+ RIGHT JOIN dbms_stats.relation_stats_effective r
+ ON co.starelid = r.relid
+ JOIN pg_catalog.pg_class cl
+ ON r.relid = cl.oid
+ JOIN pg_catalog.pg_namespace n2
+ ON cl.relnamespace = n2.oid
+ -- WHERE n2.nspname = 'public'
+ -- AND cl.relname = 'test'
+ -- AND a.attname = 'id'
+ WHERE cl.relname = 'ss0'
+ ORDER BY starelid, staattnum)
+TO STDOUT
+(FORMAT 'binary');
+\o
+COMMIT;
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+ nspname | relname | relpages | reltuples | relallvisible | curpages | attname | nspname_of_typename | typname | atttypmod | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+---------+---------+----------+-----------+---------------+----------+---------+---------------------+---------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------+------------+------------+------------+------------
+(0 rows)
+
+\! rm doc/export_effective_stats-9.3.sql.sample_test
+TRUNCATE dbms_stats.work;
+-- No.16-2-7
+\! sed '/ORDER/i\\ WHERE cl.relname = '"\'sc0\'" doc/export_effective_stats-9.3.sql.sample > doc/export_effective_stats-9.3.sql.sample_test
+\i doc/export_effective_stats-9.3.sql.sample_test
+/*
+ * If you want the statistics of per-relation or per-column, please modify
+ * nspname, relname, and attname in 'WHERE' clause.
+ */
+BEGIN TRANSACTION ISOLATION LEVEL SERIALIZABLE;
+/*
+ * If you want to chage the output file name, please modify the following name.
+ */
+\o export_stats.dmp
+COPY (SELECT n2.nspname,
+ cl.relname,
+ r.relpages,
+ r.reltuples,
+ r.relallvisible,
+ r.curpages,
+ r.last_analyze,
+ r.last_autoanalyze,
+ COALESCE(a.attname, ''),
+ n1.nspname AS schemaname_of_atttype,
+ t.typname,
+ a.atttypmod,
+ co.stainherit,
+ co.stanullfrac,
+ co.stawidth,
+ co.stadistinct,
+ co.stakind1,
+ co.stakind2,
+ co.stakind3,
+ co.stakind4,
+ co.stakind5,
+ co.staop1,
+ co.staop2,
+ co.staop3,
+ co.staop4,
+ co.staop5,
+ co.stanumbers1,
+ co.stanumbers2,
+ co.stanumbers3,
+ co.stanumbers4,
+ co.stanumbers5,
+ co.stavalues1,
+ co.stavalues2,
+ co.stavalues3,
+ co.stavalues4,
+ co.stavalues5
+ FROM dbms_stats.column_stats_effective co
+ JOIN pg_attribute a
+ ON (co.starelid = a.attrelid AND co.staattnum = a.attnum)
+ JOIN pg_type t
+ ON a.atttypid = t.oid
+ JOIN pg_namespace n1
+ ON t.typnamespace = n1.oid
+ RIGHT JOIN dbms_stats.relation_stats_effective r
+ ON co.starelid = r.relid
+ JOIN pg_catalog.pg_class cl
+ ON r.relid = cl.oid
+ JOIN pg_catalog.pg_namespace n2
+ ON cl.relnamespace = n2.oid
+ -- WHERE n2.nspname = 'public'
+ -- AND cl.relname = 'test'
+ -- AND a.attname = 'id'
+ WHERE cl.relname = 'sc0'
+ ORDER BY starelid, staattnum)
+TO STDOUT
+(FORMAT 'binary');
+\o
+COMMIT;
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+ nspname | relname | relpages | reltuples | relallvisible | curpages | attname | nspname_of_typename | typname | atttypmod | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+---------+---------+----------+-----------+---------------+----------+---------+---------------------+---------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------+------------+------------+------------+------------
+(0 rows)
+
+\! rm doc/export_effective_stats-9.3.sql.sample_test
+TRUNCATE dbms_stats.work;
+-- No.16-2-8
+\! sed '/ORDER/i\\ WHERE cl.relname = '"\'sft0\'" doc/export_effective_stats-9.3.sql.sample > doc/export_effective_stats-9.3.sql.sample_test
+\i doc/export_effective_stats-9.3.sql.sample_test
+/*
+ * If you want the statistics of per-relation or per-column, please modify
+ * nspname, relname, and attname in 'WHERE' clause.
+ */
+BEGIN TRANSACTION ISOLATION LEVEL SERIALIZABLE;
+/*
+ * If you want to chage the output file name, please modify the following name.
+ */
+\o export_stats.dmp
+COPY (SELECT n2.nspname,
+ cl.relname,
+ r.relpages,
+ r.reltuples,
+ r.relallvisible,
+ r.curpages,
+ r.last_analyze,
+ r.last_autoanalyze,
+ COALESCE(a.attname, ''),
+ n1.nspname AS schemaname_of_atttype,
+ t.typname,
+ a.atttypmod,
+ co.stainherit,
+ co.stanullfrac,
+ co.stawidth,
+ co.stadistinct,
+ co.stakind1,
+ co.stakind2,
+ co.stakind3,
+ co.stakind4,
+ co.stakind5,
+ co.staop1,
+ co.staop2,
+ co.staop3,
+ co.staop4,
+ co.staop5,
+ co.stanumbers1,
+ co.stanumbers2,
+ co.stanumbers3,
+ co.stanumbers4,
+ co.stanumbers5,
+ co.stavalues1,
+ co.stavalues2,
+ co.stavalues3,
+ co.stavalues4,
+ co.stavalues5
+ FROM dbms_stats.column_stats_effective co
+ JOIN pg_attribute a
+ ON (co.starelid = a.attrelid AND co.staattnum = a.attnum)
+ JOIN pg_type t
+ ON a.atttypid = t.oid
+ JOIN pg_namespace n1
+ ON t.typnamespace = n1.oid
+ RIGHT JOIN dbms_stats.relation_stats_effective r
+ ON co.starelid = r.relid
+ JOIN pg_catalog.pg_class cl
+ ON r.relid = cl.oid
+ JOIN pg_catalog.pg_namespace n2
+ ON cl.relnamespace = n2.oid
+ -- WHERE n2.nspname = 'public'
+ -- AND cl.relname = 'test'
+ -- AND a.attname = 'id'
+ WHERE cl.relname = 'sft0'
+ ORDER BY starelid, staattnum)
+TO STDOUT
+(FORMAT 'binary');
+\o
+COMMIT;
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+ nspname | relname | relpages | reltuples | relallvisible | curpages | attname | nspname_of_typename | typname | atttypmod | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+---------+---------+----------+-----------+---------------+----------+---------+---------------------+---------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------+------------+------------------------+------------+------------
+ s0 | sft0 | 1 | 10 | 0 | 0 | id | pg_catalog | int4 | -1 | f | -1 | -1 | -1 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-1,22} | {-1,23} | {-1,24} | {-1,21} | {-1,25} | (null) | (null) | {1,2,3,4,5,6,7,8,9,10} | (null) | (null)
+(1 row)
+
+\! rm doc/export_effective_stats-9.3.sql.sample_test
+TRUNCATE dbms_stats.work;
+-- No.16-2-9
+\! sed '/ORDER/i\\ WHERE cl.relname = '"\'smv0\'" doc/export_effective_stats-9.3.sql.sample > doc/export_effective_stats-9.3.sql.sample_test
+\i doc/export_effective_stats-9.3.sql.sample_test
+/*
+ * If you want the statistics of per-relation or per-column, please modify
+ * nspname, relname, and attname in 'WHERE' clause.
+ */
+BEGIN TRANSACTION ISOLATION LEVEL SERIALIZABLE;
+/*
+ * If you want to chage the output file name, please modify the following name.
+ */
+\o export_stats.dmp
+COPY (SELECT n2.nspname,
+ cl.relname,
+ r.relpages,
+ r.reltuples,
+ r.relallvisible,
+ r.curpages,
+ r.last_analyze,
+ r.last_autoanalyze,
+ COALESCE(a.attname, ''),
+ n1.nspname AS schemaname_of_atttype,
+ t.typname,
+ a.atttypmod,
+ co.stainherit,
+ co.stanullfrac,
+ co.stawidth,
+ co.stadistinct,
+ co.stakind1,
+ co.stakind2,
+ co.stakind3,
+ co.stakind4,
+ co.stakind5,
+ co.staop1,
+ co.staop2,
+ co.staop3,
+ co.staop4,
+ co.staop5,
+ co.stanumbers1,
+ co.stanumbers2,
+ co.stanumbers3,
+ co.stanumbers4,
+ co.stanumbers5,
+ co.stavalues1,
+ co.stavalues2,
+ co.stavalues3,
+ co.stavalues4,
+ co.stavalues5
+ FROM dbms_stats.column_stats_effective co
+ JOIN pg_attribute a
+ ON (co.starelid = a.attrelid AND co.staattnum = a.attnum)
+ JOIN pg_type t
+ ON a.atttypid = t.oid
+ JOIN pg_namespace n1
+ ON t.typnamespace = n1.oid
+ RIGHT JOIN dbms_stats.relation_stats_effective r
+ ON co.starelid = r.relid
+ JOIN pg_catalog.pg_class cl
+ ON r.relid = cl.oid
+ JOIN pg_catalog.pg_namespace n2
+ ON cl.relnamespace = n2.oid
+ -- WHERE n2.nspname = 'public'
+ -- AND cl.relname = 'test'
+ -- AND a.attname = 'id'
+ WHERE cl.relname = 'smv0'
+ ORDER BY starelid, staattnum)
+TO STDOUT
+(FORMAT 'binary');
+\o
+COMMIT;
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+ nspname | relname | relpages | reltuples | relallvisible | curpages | attname | nspname_of_typename | typname | atttypmod | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+---------+---------+----------+-----------+---------------+----------+---------+---------------------+---------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------+------------+------------+------------+------------
+ s0 | smv0 | 1 | 2 | 1 | 1 | id | pg_catalog | int4 | -1 | f | -1 | -1 | -1 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-1,22} | {-1,23} | {-1,24} | {-1,21} | {-1,25} | (null) | (null) | {1,2} | (null) | (null)
+ s0 | smv0 | 1 | 2 | 1 | 1 | num | pg_catalog | int4 | -1 | f | -2 | -2 | -2 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-2,22} | {-2,23} | {-2,24} | {-2,21} | {-2,25} | (null) | (null) | {10,20} | (null) | (null)
+ s0 | smv0 | 1 | 2 | 1 | 1 | txt | pg_catalog | text | -1 | f | -3 | -3 | -3 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-3,22} | {-3,23} | {-3,24} | {-3,21} | {-3,25} | (null) | (null) | {1,test} | (null) | (null)
+(3 rows)
+
+\! rm doc/export_effective_stats-9.3.sql.sample_test
+TRUNCATE dbms_stats.work;
+-- No.16-2-10
+\! sed '/ORDER/i\\ WHERE n2.nspname = '"\'s0\'"' AND a.attname = '"\'id\'" doc/export_effective_stats-9.3.sql.sample > doc/export_effective_stats-9.3.sql.sample_test
+\i doc/export_effective_stats-9.3.sql.sample_test
+/*
+ * If you want the statistics of per-relation or per-column, please modify
+ * nspname, relname, and attname in 'WHERE' clause.
+ */
+BEGIN TRANSACTION ISOLATION LEVEL SERIALIZABLE;
+/*
+ * If you want to chage the output file name, please modify the following name.
+ */
+\o export_stats.dmp
+COPY (SELECT n2.nspname,
+ cl.relname,
+ r.relpages,
+ r.reltuples,
+ r.relallvisible,
+ r.curpages,
+ r.last_analyze,
+ r.last_autoanalyze,
+ COALESCE(a.attname, ''),
+ n1.nspname AS schemaname_of_atttype,
+ t.typname,
+ a.atttypmod,
+ co.stainherit,
+ co.stanullfrac,
+ co.stawidth,
+ co.stadistinct,
+ co.stakind1,
+ co.stakind2,
+ co.stakind3,
+ co.stakind4,
+ co.stakind5,
+ co.staop1,
+ co.staop2,
+ co.staop3,
+ co.staop4,
+ co.staop5,
+ co.stanumbers1,
+ co.stanumbers2,
+ co.stanumbers3,
+ co.stanumbers4,
+ co.stanumbers5,
+ co.stavalues1,
+ co.stavalues2,
+ co.stavalues3,
+ co.stavalues4,
+ co.stavalues5
+ FROM dbms_stats.column_stats_effective co
+ JOIN pg_attribute a
+ ON (co.starelid = a.attrelid AND co.staattnum = a.attnum)
+ JOIN pg_type t
+ ON a.atttypid = t.oid
+ JOIN pg_namespace n1
+ ON t.typnamespace = n1.oid
+ RIGHT JOIN dbms_stats.relation_stats_effective r
+ ON co.starelid = r.relid
+ JOIN pg_catalog.pg_class cl
+ ON r.relid = cl.oid
+ JOIN pg_catalog.pg_namespace n2
+ ON cl.relnamespace = n2.oid
+ -- WHERE n2.nspname = 'public'
+ -- AND cl.relname = 'test'
+ -- AND a.attname = 'id'
+ WHERE n2.nspname = 's0' AND a.attname = 'id'
+ ORDER BY starelid, staattnum)
+TO STDOUT
+(FORMAT 'binary');
+\o
+COMMIT;
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+ nspname | relname | relpages | reltuples | relallvisible | curpages | attname | nspname_of_typename | typname | atttypmod | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+---------+---------+----------+-----------+---------------+----------+---------+---------------------+---------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+-------------+------------+------------------------+------------+------------
+ s0 | sft0 | 1 | 10 | 0 | 0 | id | pg_catalog | int4 | -1 | f | -1 | -1 | -1 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-1,22} | {-1,23} | {-1,24} | {-1,21} | {-1,25} | (null) | (null) | {1,2,3,4,5,6,7,8,9,10} | (null) | (null)
+ s0 | smv0 | 1 | 2 | 1 | 1 | id | pg_catalog | int4 | -1 | f | -1 | -1 | -1 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-1,22} | {-1,23} | {-1,24} | {-1,21} | {-1,25} | (null) | (null) | {1,2} | (null) | (null)
+ s0 | st0 | 1 | 2 | 1 | 1 | id | pg_catalog | int4 | -1 | f | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2} | (null) | (null) | (null) | (null)
+ s0 | st0 | 1 | 2 | 1 | 1 | id | pg_catalog | int4 | -1 | t | 0 | 4 | -1 | 2 | 3 | 0 | 0 | 0 | 97 | 97 | 0 | 0 | 0 | (null) | {1} | (null) | (null) | (null) | {1,2,4,5,6} | (null) | (null) | (null) | (null)
+ s0 | st1 | 1 | 3 | 1 | 1 | id | pg_catalog | int4 | -1 | f | -1 | -1 | -1 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-1,22} | {-1,23} | {-1,24} | {-1,21} | {-1,25} | (null) | (null) | {4,5,6} | (null) | (null)
+ s0 | st2 | 1 | 3 | 1 | 1 | id | pg_catalog | int4 | -1 | f | -1 | -1 | -1 | 2 | 3 | 4 | 1 | 5 | 22 | 23 | 24 | 21 | 25 | {-1,22} | {-1,23} | {-1,24} | {-1,21} | {-1,25} | (null) | (null) | {1,2,3} | (null) | (null)
+(6 rows)
+
+\! rm doc/export_effective_stats-9.3.sql.sample_test
+TRUNCATE dbms_stats.work;
+-- No.16-2-11
+\! sed '/ORDER/i\\ WHERE n2.nspname = '"\'s0\'"' AND a.attname IS NULL' doc/export_effective_stats-9.3.sql.sample > doc/export_effective_stats-9.3.sql.sample_test
+\i doc/export_effective_stats-9.3.sql.sample_test
+/*
+ * If you want the statistics of per-relation or per-column, please modify
+ * nspname, relname, and attname in 'WHERE' clause.
+ */
+BEGIN TRANSACTION ISOLATION LEVEL SERIALIZABLE;
+/*
+ * If you want to chage the output file name, please modify the following name.
+ */
+\o export_stats.dmp
+COPY (SELECT n2.nspname,
+ cl.relname,
+ r.relpages,
+ r.reltuples,
+ r.relallvisible,
+ r.curpages,
+ r.last_analyze,
+ r.last_autoanalyze,
+ COALESCE(a.attname, ''),
+ n1.nspname AS schemaname_of_atttype,
+ t.typname,
+ a.atttypmod,
+ co.stainherit,
+ co.stanullfrac,
+ co.stawidth,
+ co.stadistinct,
+ co.stakind1,
+ co.stakind2,
+ co.stakind3,
+ co.stakind4,
+ co.stakind5,
+ co.staop1,
+ co.staop2,
+ co.staop3,
+ co.staop4,
+ co.staop5,
+ co.stanumbers1,
+ co.stanumbers2,
+ co.stanumbers3,
+ co.stanumbers4,
+ co.stanumbers5,
+ co.stavalues1,
+ co.stavalues2,
+ co.stavalues3,
+ co.stavalues4,
+ co.stavalues5
+ FROM dbms_stats.column_stats_effective co
+ JOIN pg_attribute a
+ ON (co.starelid = a.attrelid AND co.staattnum = a.attnum)
+ JOIN pg_type t
+ ON a.atttypid = t.oid
+ JOIN pg_namespace n1
+ ON t.typnamespace = n1.oid
+ RIGHT JOIN dbms_stats.relation_stats_effective r
+ ON co.starelid = r.relid
+ JOIN pg_catalog.pg_class cl
+ ON r.relid = cl.oid
+ JOIN pg_catalog.pg_namespace n2
+ ON cl.relnamespace = n2.oid
+ -- WHERE n2.nspname = 'public'
+ -- AND cl.relname = 'test'
+ -- AND a.attname = 'id'
+ WHERE n2.nspname = 's0' AND a.attname IS NULL
+ ORDER BY starelid, staattnum)
+TO STDOUT
+(FORMAT 'binary');
+\o
+COMMIT;
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+ nspname | relname | relpages | reltuples | relallvisible | curpages | attname | nspname_of_typename | typname | atttypmod | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+---------+---------+----------+-----------+---------------+----------+---------+---------------------+---------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------+------------+------------+------------+------------
+ s0 | st0_idx | 2 | 2 | 0 | 2 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0 | st1_idx | 2 | 3 | 0 | 2 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0 | st2_idx | 2 | 3 | 0 | 2 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+ s0 | st3 | 0 | 0 | 0 | 0 | | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null) | (null)
+(4 rows)
+
+\! rm doc/export_effective_stats-9.3.sql.sample_test
+TRUNCATE dbms_stats.work;
+-- No.16-2-12
+\! sed '/ORDER/i\\ WHERE n2.nspname = '"\'s0\'"' AND cl.relname IS NULL' doc/export_effective_stats-9.3.sql.sample > doc/export_effective_stats-9.3.sql.sample_test
+\i doc/export_effective_stats-9.3.sql.sample_test
+/*
+ * If you want the statistics of per-relation or per-column, please modify
+ * nspname, relname, and attname in 'WHERE' clause.
+ */
+BEGIN TRANSACTION ISOLATION LEVEL SERIALIZABLE;
+/*
+ * If you want to chage the output file name, please modify the following name.
+ */
+\o export_stats.dmp
+COPY (SELECT n2.nspname,
+ cl.relname,
+ r.relpages,
+ r.reltuples,
+ r.relallvisible,
+ r.curpages,
+ r.last_analyze,
+ r.last_autoanalyze,
+ COALESCE(a.attname, ''),
+ n1.nspname AS schemaname_of_atttype,
+ t.typname,
+ a.atttypmod,
+ co.stainherit,
+ co.stanullfrac,
+ co.stawidth,
+ co.stadistinct,
+ co.stakind1,
+ co.stakind2,
+ co.stakind3,
+ co.stakind4,
+ co.stakind5,
+ co.staop1,
+ co.staop2,
+ co.staop3,
+ co.staop4,
+ co.staop5,
+ co.stanumbers1,
+ co.stanumbers2,
+ co.stanumbers3,
+ co.stanumbers4,
+ co.stanumbers5,
+ co.stavalues1,
+ co.stavalues2,
+ co.stavalues3,
+ co.stavalues4,
+ co.stavalues5
+ FROM dbms_stats.column_stats_effective co
+ JOIN pg_attribute a
+ ON (co.starelid = a.attrelid AND co.staattnum = a.attnum)
+ JOIN pg_type t
+ ON a.atttypid = t.oid
+ JOIN pg_namespace n1
+ ON t.typnamespace = n1.oid
+ RIGHT JOIN dbms_stats.relation_stats_effective r
+ ON co.starelid = r.relid
+ JOIN pg_catalog.pg_class cl
+ ON r.relid = cl.oid
+ JOIN pg_catalog.pg_namespace n2
+ ON cl.relnamespace = n2.oid
+ -- WHERE n2.nspname = 'public'
+ -- AND cl.relname = 'test'
+ -- AND a.attname = 'id'
+ WHERE n2.nspname = 's0' AND cl.relname IS NULL
+ ORDER BY starelid, staattnum)
+TO STDOUT
+(FORMAT 'binary');
+\o
+COMMIT;
+COPY dbms_stats.work FROM '@abs_srcdir@/export_stats.dmp' (FORMAT 'binary');
+SELECT * FROM work_v;
+ nspname | relname | relpages | reltuples | relallvisible | curpages | attname | nspname_of_typename | typname | atttypmod | stainherit | stanullfrac | stawidth | stadistinct | stakind1 | stakind2 | stakind3 | stakind4 | stakind5 | staop1 | staop2 | staop3 | staop4 | staop5 | stanumbers1 | stanumbers2 | stanumbers3 | stanumbers4 | stanumbers5 | stavalues1 | stavalues2 | stavalues3 | stavalues4 | stavalues5
+---------+---------+----------+-----------+---------------+----------+---------+---------------------+---------+-----------+------------+-------------+----------+-------------+----------+----------+----------+----------+----------+--------+--------+--------+--------+--------+-------------+-------------+-------------+-------------+-------------+------------+------------+------------+------------+------------
+(0 rows)
+
+\! rm doc/export_effective_stats-9.3.sql.sample_test
+TRUNCATE dbms_stats.work;
+/*
+ * Stab function dbms_stats.import
+ */
+ALTER FUNCTION dbms_stats.import(
+ nspname text,
+ relid regclass,
+ attname text,
+ src text
+) RENAME TO truth_import;
+CREATE FUNCTION dbms_stats.import(
+ nspname text,
+ relid regclass,
+ attname text,
+ src text
+) RETURNS void AS
+$$
+BEGIN
+ RAISE NOTICE 'arguments are "%", "%", "%", "%"', $1, $2, $3, $4;
+ RETURN;
+END
+$$
+LANGUAGE plpgsql;
+/*
+ * No.17-1 dbms_stats.import_database_stats(src)
+ */
+-- No.17-1-1
+SELECT dbms_stats.import_database_stats('@abs_srcdir@/export_stats.dmp');
+NOTICE: arguments are "<NULL>", "<NULL>", "<NULL>", "@abs_srcdir@/export_stats.dmp"
+ import_database_stats
+-----------------------
+
+(1 row)
+
+/*
+ * No.17-2 dbms_stats.import_schema_stats(schemaname, src)
+ */
+-- No.17-2-1
+SELECT dbms_stats.import_schema_stats('s0', '@abs_srcdir@/export_stats.dmp');
+NOTICE: arguments are "s0", "<NULL>", "<NULL>", "@abs_srcdir@/export_stats.dmp"
+ import_schema_stats
+---------------------
+
+(1 row)
+
+/*
+ * No.17-3 dbms_stats.import_table_stats(relid, src)
+ */
+-- No.17-3-1
+SELECT dbms_stats.import_table_stats('s0.st0', '@abs_srcdir@/export_stats.dmp');
+NOTICE: arguments are "<NULL>", "s0.st0", "<NULL>", "@abs_srcdir@/export_stats.dmp"
+ import_table_stats
+--------------------
+
+(1 row)
+
+/*
+ * No.17-4 dbms_stats.import_table_stats(schemaname, tablename, src)
+ */
+-- No.17-4-1
+SELECT dbms_stats.import_table_stats('s0', 'st0', '@abs_srcdir@/export_stats.dmp');
+NOTICE: arguments are "<NULL>", "s0.st0", "<NULL>", "@abs_srcdir@/export_stats.dmp"
+ import_table_stats
+--------------------
+
+(1 row)
+
+/*
+ * No.17-5 dbms_stats.import_column_stats (relid, attname, src)
+ */
+-- No.17-5-1
+SELECT dbms_stats.import_column_stats('s0.st0', 'id', '@abs_srcdir@/export_stats.dmp');
+NOTICE: arguments are "<NULL>", "s0.st0", "id", "@abs_srcdir@/export_stats.dmp"
+ import_column_stats
+---------------------
+
+(1 row)
+
+/*
+ * No.17-6 dbms_stats.import_column_stats (schemaname, tablename, attname, src)
+ */
+-- No.17-6-1
+SELECT dbms_stats.import_column_stats('s0', 'st0', 'id','@abs_srcdir@/export_stats.dmp');
+NOTICE: arguments are "<NULL>", "s0.st0", "id", "@abs_srcdir@/export_stats.dmp"
+ import_column_stats
+---------------------
+
+(1 row)
+
+/*
+ * Delete stab function dbms_stats.import
+ */
+DROP FUNCTION dbms_stats.import(
+ nspname text,
+ relid regclass,
+ attname text,
+ src text
+);
+ALTER FUNCTION dbms_stats.truth_import(
+ nspname text,
+ relid regclass,
+ attname text,
+ src text
+) RENAME TO import;
# pg_dbms_stats extension
comment = 'stabilize plans by fixing statistics'
-default_version = '1.3.4'
+default_version = '1.3.5'
module_pathname = '$libdir/pg_dbms_stats'
relocatable = false
schema = dbms_stats
--- /dev/null
+CREATE MATERIALIZED VIEW s0.smv0 AS
+SELECT st0.id,
+ st0.num,
+ st2.txt
+ FROM s0.st0,s0.st2
+ WHERE st0.id = st2.id
+ ORDER BY id;
+CREATE VIEW plain_relations_statistic_v AS
+SELECT oid::regclass,
+ relpages,
+ reltuples,
+ relallvisible,
+ pg_relation_size(oid) / 8192 curpages
+ FROM pg_class
+ ORDER BY oid::regclass::text;
+CREATE VIEW relations_locked_v AS
+SELECT relid::regclass,
+ relname,
+ relpages,
+ reltuples,
+ relallvisible,
+ curpages
+ FROM dbms_stats._relation_stats_locked
+ ORDER BY relid;
+CREATE VIEW relations_backup_v AS
+SELECT id,
+ relid::regclass,
+ relname,
+ relpages,
+ reltuples,
+ relallvisible,
+ curpages
+ FROM dbms_stats.relation_stats_backup
+ ORDER BY id, relid;
+CREATE VIEW plain_columns_statistic_v AS
+SELECT starelid::regclass, staattnum, stainherit,
+ stanullfrac, stawidth, stadistinct,
+ stakind1, stakind2, stakind3, stakind4, stakind5,
+ staop1, staop2, staop3, staop4, staop5,
+ stanumbers1, stanumbers2, stanumbers3, stanumbers4, stanumbers5,
+ stavalues1::text, stavalues2::text, stavalues3::text, stavalues4::text, stavalues5::text
+ FROM pg_statistic
+ ORDER BY starelid, staattnum, stainherit;
+CREATE VIEW columns_locked_v AS
+SELECT starelid::regclass, staattnum, attname, stainherit,
+ stanullfrac, stawidth, stadistinct,
+ stakind1, stakind2, stakind3, stakind4, stakind5,
+ staop1, staop2, staop3, staop4, staop5,
+ stanumbers1, stanumbers2, stanumbers3, stanumbers4, stanumbers5,
+ stavalues1, stavalues2, stavalues3, stavalues4, stavalues5
+ FROM dbms_stats._column_stats_locked c
+ JOIN pg_attribute a
+ ON (c.starelid = a.attrelid AND c.staattnum = a.attnum)
+ ORDER BY starelid, staattnum, stainherit;
+CREATE VIEW columns_backup_v AS
+SELECT id, statypid,
+ starelid::regclass, staattnum, stainherit,
+ stanullfrac, stawidth, stadistinct,
+ stakind1, stakind2, stakind3, stakind4, stakind5,
+ staop1, staop2, staop3, staop4, staop5,
+ stanumbers1, stanumbers2, stanumbers3, stanumbers4, stanumbers5,
+ stavalues1, stavalues2, stavalues3, stavalues4, stavalues5
+ FROM dbms_stats.column_stats_backup
+ ORDER BY id, starelid, staattnum, stainherit;
+CREATE TABLE dbms_stats.work (
+ nspname name NOT NULL,
+ relname name NOT NULL,
+ relpages int4 NOT NULL,
+ reltuples float4 NOT NULL,
+ relallvisible int4 NOT NULL,
+ curpages int4 NOT NULL,
+ last_analyze timestamp with time zone,
+ last_autoanalyze timestamp with time zone,
+ attname name,
+ nspname_of_typename name,
+ typname name,
+ atttypmod int4,
+ stainherit bool,
+ stanullfrac float4,
+ stawidth int4,
+ stadistinct float4,
+ stakind1 int2,
+ stakind2 int2,
+ stakind3 int2,
+ stakind4 int2,
+ stakind5 int2,
+ staop1 oid,
+ staop2 oid,
+ staop3 oid,
+ staop4 oid,
+ staop5 oid,
+ stanumbers1 float4[],
+ stanumbers2 float4[],
+ stanumbers3 float4[],
+ stanumbers4 float4[],
+ stanumbers5 float4[],
+ stavalues1 dbms_stats.anyarray,
+ stavalues2 dbms_stats.anyarray,
+ stavalues3 dbms_stats.anyarray,
+ stavalues4 dbms_stats.anyarray
+ ,stavalues5 dbms_stats.anyarray
+);
+CREATE VIEW work_v AS
+SELECT nspname, relname, relpages, reltuples, relallvisible,
+ curpages, attname, nspname_of_typename, typname, atttypmod,
+ stainherit, stanullfrac, stawidth, stadistinct,
+ stakind1, stakind2, stakind3, stakind4, stakind5,
+ staop1, staop2, staop3, staop4, staop5,
+ stanumbers1, stanumbers2, stanumbers3, stanumbers4, stanumbers5,
+ stavalues1, stavalues2, stavalues3, stavalues4, stavalues5
+ FROM dbms_stats.work
+ ORDER BY nspname, relname, attname, stainherit;
+ANALYZE s0.sft0;
--- /dev/null
+\pset null '(null)'
+/*
+ * No.2-1 table definitions.
+ */
+-- No.2-1-1
+\d dbms_stats.backup_history
+-- No.2-1-2
+\d dbms_stats.column_stats_backup
+-- No.2-1-3
+\d dbms_stats._column_stats_locked
+-- No.2-1-4
+\d dbms_stats.relation_stats_backup
+-- No.2-1-5
+\d dbms_stats._relation_stats_locked
+
+/*
+ * No.2-2 view definitions.
+ */
+-- No.2-2-1
+\dS+ dbms_stats.column_stats_effective
+-- No.2-2-2
+\dS+ dbms_stats.relation_stats_effective
+-- No.2-2-3
+\dS+ dbms_stats.stats
+-- No.2-2-4
+\dS+ dbms_stats.column_stats_locked
+-- No.2-2-5
+\dS+ dbms_stats.relation_stats_locked
+
+/*
+ * No.2-4 dbms_stats.anyarray
+ */
+-- No.2-4-1
+SELECT n.nspname, t.typname, t.typlen, t.typbyval, t.typtype,
+ t.typcategory, t.typispreferred, t.typisdefined, t.typdelim,
+ t.typrelid, t.typelem, t.typinput, t.typoutput, t.typreceive,
+ t.typsend, t.typmodin, t.typmodout, t.typanalyze, t.typalign,
+ t.typstorage, t.typnotnull, t.typbasetype, t.typtypmod, t.typndims,
+ t.typcollation, t.typdefaultbin, t.typdefault, t.typacl
+ FROM pg_type t, pg_namespace n
+ WHERE t.typnamespace = n.oid
+ AND n.nspname = 'dbms_stats'
+ AND t.typname = 'anyarray';
+
+/*
+ * No.5-1 dbms_stats.merge
+ */
+UPDATE pg_statistic SET
+ stanullfrac = staattnum,
+ stawidth = staattnum,
+ stadistinct = staattnum,
+ stakind1 = 4,
+ stakind2 = 1,
+ stakind3 = 2,
+ stakind4 = 3,
+ stakind5 = 5,
+ staop1 = 14,
+ staop2 = 11,
+ staop3 = 12,
+ staop4 = 13,
+ staop5 = 15,
+ stanumbers1 = ARRAY[staattnum,4],
+ stanumbers2 = ARRAY[staattnum,1],
+ stanumbers3 = ARRAY[staattnum,2],
+ stanumbers4 = ARRAY[staattnum,3],
+ stanumbers5 = ARRAY[staattnum,5],
+ stavalues2 = array_cat(stavalues1,stavalues1),
+ stavalues3 = array_cat(array_cat(stavalues1,stavalues1),stavalues1),
+ stavalues4 = array_cat(array_cat(array_cat(stavalues1,stavalues1),stavalues1),stavalues1)
+ ,stavalues5 = array_cat(array_cat(array_cat(array_cat(stavalues1,stavalues1),stavalues1),stavalues1),stavalues1)
+ WHERE starelid = 'st0'::regclass;
+SELECT dbms_stats.lock_table_stats('st0');
+UPDATE dbms_stats._column_stats_locked SET
+ stainherit = 't',
+ stanullfrac = -staattnum,
+ stawidth = -staattnum,
+ stadistinct = -staattnum,
+ stakind1 = 2,
+ stakind2 = 3,
+ stakind3 = 4,
+ stakind4 = 1,
+ stakind5 = 5,
+ staop1 = 22,
+ staop2 = 23,
+ staop3 = 24,
+ staop4 = 21,
+ staop5 = 25,
+ stanumbers1 = ARRAY[-staattnum,22],
+ stanumbers2 = ARRAY[-staattnum,23],
+ stanumbers3 = ARRAY[-staattnum,24],
+ stanumbers4 = ARRAY[-staattnum,21],
+ stanumbers5 = ARRAY[-staattnum,25],
+ stavalues1 = stavalues3,
+ stavalues2 = stavalues2,
+ stavalues3 = stavalues1,
+ stavalues4 = stavalues4
+ ,stavalues5 = stavalues5
+;
+
+/*
+ * Driver function dbms_stats.merge1
+ */
+CREATE FUNCTION dbms_stats.merge1(
+ lhs dbms_stats._column_stats_locked,
+ rhs pg_catalog.pg_statistic
+) RETURNS integer AS
+'$libdir/pg_dbms_stats', 'dbms_stats_merge'
+LANGUAGE C STABLE;
+
+SELECT * FROM columns_locked_v
+ WHERE starelid = 'st0'::regclass;
+SELECT * FROM plain_columns_statistic_v
+ WHERE starelid = 'st0'::regclass;
+
+SET client_min_messages TO LOG;
+
+-- No.5-1-1
+SELECT (m.merge).starelid::regclass,
+ (m.merge).staattnum,
+ (m.merge).stainherit,
+ (m.merge).stanullfrac,
+ (m.merge).stawidth,
+ (m.merge).stadistinct,
+ (m.merge).stakind1,
+ (m.merge).stakind2,
+ (m.merge).stakind3,
+ (m.merge).stakind4,
+ (m.merge).stakind5,
+ (m.merge).staop1,
+ (m.merge).staop2,
+ (m.merge).staop3,
+ (m.merge).staop4,
+ (m.merge).staop5,
+ (m.merge).stanumbers1,
+ (m.merge).stanumbers2,
+ (m.merge).stanumbers3,
+ (m.merge).stanumbers4,
+ (m.merge).stanumbers5,
+ (m.merge).stavalues1,
+ (m.merge).stavalues2,
+ (m.merge).stavalues3,
+ (m.merge).stavalues4
+ ,(m.merge).stavalues5
+ FROM (SELECT dbms_stats.merge(NULL, s)
+ FROM pg_statistic s
+ WHERE starelid = 'st0'::regclass
+ AND staattnum = '1'::int2) m;
+
+-- No.5-1-2
+SELECT (m.merge).starelid::regclass,
+ (m.merge).staattnum,
+ (m.merge).stainherit,
+ (m.merge).stanullfrac,
+ (m.merge).stawidth,
+ (m.merge).stadistinct,
+ (m.merge).stakind1,
+ (m.merge).stakind2,
+ (m.merge).stakind3,
+ (m.merge).stakind4,
+ (m.merge).stakind5,
+ (m.merge).staop1,
+ (m.merge).staop2,
+ (m.merge).staop3,
+ (m.merge).staop4,
+ (m.merge).staop5,
+ (m.merge).stanumbers1,
+ (m.merge).stanumbers2,
+ (m.merge).stanumbers3,
+ (m.merge).stanumbers4,
+ (m.merge).stanumbers5,
+ (m.merge).stavalues1,
+ (m.merge).stavalues2,
+ (m.merge).stavalues3,
+ (m.merge).stavalues4
+ ,(m.merge).stavalues5
+ FROM (SELECT dbms_stats.merge(v, NULL)
+ FROM dbms_stats._column_stats_locked v
+ WHERE starelid = 'st0'::regclass
+ AND staattnum = '2'::int2) m;
+
+-- No.5-1-3
+SELECT dbms_stats.merge(NULL, NULL);
+
+-- No.5-1-4
+SELECT (m.merge).starelid::regclass,
+ (m.merge).staattnum,
+ (m.merge).stainherit,
+ (m.merge).stanullfrac,
+ (m.merge).stawidth,
+ (m.merge).stadistinct,
+ (m.merge).stakind1,
+ (m.merge).stakind2,
+ (m.merge).stakind3,
+ (m.merge).stakind4,
+ (m.merge).stakind5,
+ (m.merge).staop1,
+ (m.merge).staop2,
+ (m.merge).staop3,
+ (m.merge).staop4,
+ (m.merge).staop5,
+ (m.merge).stanumbers1,
+ (m.merge).stanumbers2,
+ (m.merge).stanumbers3,
+ (m.merge).stanumbers4,
+ (m.merge).stanumbers5,
+ (m.merge).stavalues1,
+ (m.merge).stavalues2,
+ (m.merge).stavalues3,
+ (m.merge).stavalues4
+ ,(m.merge).stavalues5
+ FROM (SELECT dbms_stats.merge(v, s)
+ FROM dbms_stats._column_stats_locked v,
+ pg_statistic s
+ WHERE v.starelid = 'st0'::regclass
+ AND v.staattnum = '2'::int2
+ AND s.starelid = 'st0'::regclass
+ AND s.staattnum = '1'::int2) m;
+
+-- No.5-1-5
+SELECT (m.merge).starelid::regclass,
+ (m.merge).staattnum,
+ (m.merge).stainherit,
+ (m.merge).stanullfrac,
+ (m.merge).stawidth,
+ (m.merge).stadistinct,
+ (m.merge).stakind1,
+ (m.merge).stakind2,
+ (m.merge).stakind3,
+ (m.merge).stakind4,
+ (m.merge).stakind5,
+ (m.merge).staop1,
+ (m.merge).staop2,
+ (m.merge).staop3,
+ (m.merge).staop4,
+ (m.merge).staop5,
+ (m.merge).stanumbers1,
+ (m.merge).stanumbers2,
+ (m.merge).stanumbers3,
+ (m.merge).stanumbers4,
+ (m.merge).stanumbers5,
+ (m.merge).stavalues1,
+ (m.merge).stavalues2,
+ (m.merge).stavalues3,
+ (m.merge).stavalues4
+ ,(m.merge).stavalues5
+ FROM (SELECT dbms_stats.merge(v, s)
+ FROM dbms_stats._column_stats_locked v,
+ pg_statistic s
+ WHERE v.starelid = 'st0'::regclass
+ AND v.staattnum = '2'::int2
+ AND s.starelid = 'st0'::regclass
+ AND s.staattnum = '1'::int2) m;
+
+-- No.5-1-6
+SELECT dbms_stats.merge1(v, s)
+ FROM dbms_stats._column_stats_locked v,
+ pg_statistic s
+ WHERE v.starelid = 'st0'::regclass
+ AND v.staattnum = '2'::int2
+ AND s.starelid = 'st0'::regclass
+ AND s.staattnum = '1'::int2;
+
+-- No.5-1-7
+SELECT dbms_stats.merge(NULL, (
+ s.starelid::regclass, s.staattnum, s.stainherit,
+ s.stanullfrac, s.stawidth, s.stadistinct,
+ s.stakind1, s.stakind2, s.stakind3, s.stakind4,
+ s.stakind5,
+ s.staop1, s.staop2, s.staop3,
+ s.staop4,
+ NULL, s.stanumbers1, s.stanumbers2, s.stanumbers3, s.stanumbers4,
+ s.stanumbers5,
+ s.stavalues1, s.stavalues2, s.stavalues3, s.stavalues4
+ ,s.stavalues5
+ ))
+ FROM pg_statistic s
+ WHERE s.starelid = 'st0'::regclass
+ AND s.staattnum = '1'::int2;
+
+-- No.5-1-8
+SELECT (m.merge).starelid::regclass,
+ (m.merge).staattnum,
+ (m.merge).stainherit,
+ (m.merge).stanullfrac,
+ (m.merge).stawidth,
+ (m.merge).stadistinct,
+ (m.merge).stakind1,
+ (m.merge).stakind2,
+ (m.merge).stakind3,
+ (m.merge).stakind4,
+ (m.merge).stakind5,
+ (m.merge).staop1,
+ (m.merge).staop2,
+ (m.merge).staop3,
+ (m.merge).staop4,
+ (m.merge).staop5,
+ (m.merge).stanumbers1,
+ (m.merge).stanumbers2,
+ (m.merge).stanumbers3,
+ (m.merge).stanumbers4,
+ (m.merge).stanumbers5,
+ (m.merge).stavalues1,
+ (m.merge).stavalues2,
+ (m.merge).stavalues3,
+ (m.merge).stavalues4
+ ,(m.merge).stavalues5
+ FROM (SELECT dbms_stats.merge(NULL, (
+ s.starelid::regclass, s.staattnum, s.stainherit,
+ s.stanullfrac, s.stawidth, s.stadistinct,
+ s.stakind1, s.stakind2, s.stakind3, s.stakind4,
+ s.stakind5,
+ s.staop1, s.staop2, s.staop3, s.staop4,
+ s.staop5,
+ NULL, s.stanumbers2, s.stanumbers3, s.stanumbers4,
+ s.stanumbers5,
+ s.stavalues1, s.stavalues2, s.stavalues3, s.stavalues4
+ ,s.stavalues5
+ ))
+ FROM pg_statistic s
+ WHERE s.starelid = 'st0'::regclass
+ AND s.staattnum = '1'::int2) m;
+
+-- No.5-1-9
+SELECT dbms_stats.merge((
+ v.starelid::regclass, v.staattnum, v.stainherit,
+ v.stanullfrac, v.stawidth, v.stadistinct,
+ v.stakind1, v.stakind2, v.stakind3, v.stakind4,
+ v.stakind5,
+ v.staop1, v.staop2, v.staop3,
+ v.staop4,
+ NULL, v.stanumbers1, v.stanumbers2, v.stanumbers3, v.stanumbers4,
+ v.stanumbers5,
+ v.stavalues1, v.stavalues2, v.stavalues3, v.stavalues4
+ ,v.stavalues5
+ ), NULL)
+ FROM dbms_stats._column_stats_locked v
+ WHERE v.starelid = 'st0'::regclass
+ AND v.staattnum = '2'::int2;
+
+-- No.5-1-10
+SELECT (m.merge).starelid::regclass,
+ (m.merge).staattnum,
+ (m.merge).stainherit,
+ (m.merge).stanullfrac,
+ (m.merge).stawidth,
+ (m.merge).stadistinct,
+ (m.merge).stakind1,
+ (m.merge).stakind2,
+ (m.merge).stakind3,
+ (m.merge).stakind4,
+ (m.merge).stakind5,
+ (m.merge).staop1,
+ (m.merge).staop2,
+ (m.merge).staop3,
+ (m.merge).staop4,
+ (m.merge).staop5,
+ (m.merge).stanumbers1,
+ (m.merge).stanumbers2,
+ (m.merge).stanumbers3,
+ (m.merge).stanumbers4,
+ (m.merge).stanumbers5,
+ (m.merge).stavalues1,
+ (m.merge).stavalues2,
+ (m.merge).stavalues3,
+ (m.merge).stavalues4
+ ,(m.merge).stavalues5
+ FROM (SELECT dbms_stats.merge((
+ v.starelid::regclass, v.staattnum, v.stainherit,
+ v.stanullfrac, v.stawidth, v.stadistinct,
+ v.stakind1, v.stakind2, v.stakind3, v.stakind4,
+ v.stakind5,
+ v.staop1, v.staop2, v.staop3, v.staop4,
+ v.staop5,
+ NULL, v.stanumbers2, v.stanumbers3, v.stanumbers4,
+ v.stanumbers5,
+ v.stavalues1, v.stavalues2, v.stavalues3, v.stavalues4
+ ,v.stavalues5
+ ), NULL)
+ FROM dbms_stats._column_stats_locked v
+ WHERE v.starelid = 'st0'::regclass
+ AND v.staattnum = '2'::int2) m;
+
+-- No.5-1-11
+SELECT dbms_stats.merge((
+ v.starelid::regclass, v.staattnum, v.stainherit,
+ v.stanullfrac, v.stawidth, v.stadistinct,
+ v.stakind1, v.stakind2, v.stakind3, v.stakind4,
+ v.stakind5,
+ v.staop1, v.staop2, v.staop3,
+ v.staop4,
+ NULL, v.stanumbers1, v.stanumbers2, v.stanumbers3, v.stanumbers4,
+ v.stanumbers5,
+ v.stavalues1, v.stavalues2, v.stavalues3, v.stavalues4
+ ,v.stavalues5
+ ), (
+ s.starelid::regclass, s.staattnum, s.stainherit,
+ s.stanullfrac, s.stawidth, s.stadistinct,
+ s.stakind1, s.stakind2, s.stakind3, s.stakind4,
+ s.stakind5,
+ s.staop1, s.staop2, s.staop3,
+ s.staop4,
+ NULL, s.stanumbers1, s.stanumbers2, s.stanumbers3, s.stanumbers4,
+ s.stanumbers5,
+ s.stavalues1, s.stavalues2, s.stavalues3, s.stavalues4
+ ,s.stavalues5
+ ))
+ FROM dbms_stats._column_stats_locked v,
+ pg_statistic s
+ WHERE v.starelid = 'st0'::regclass
+ AND v.staattnum = '2'::int2
+ AND s.starelid = 'st0'::regclass
+ AND s.staattnum = '1'::int2;
+
+-- No.5-1-12
+SELECT (m.merge).starelid::regclass,
+ (m.merge).staattnum,
+ (m.merge).stainherit,
+ (m.merge).stanullfrac,
+ (m.merge).stawidth,
+ (m.merge).stadistinct,
+ (m.merge).stakind1,
+ (m.merge).stakind2,
+ (m.merge).stakind3,
+ (m.merge).stakind4,
+ (m.merge).stakind5,
+ (m.merge).staop1,
+ (m.merge).staop2,
+ (m.merge).staop3,
+ (m.merge).staop4,
+ (m.merge).staop5,
+ (m.merge).stanumbers1,
+ (m.merge).stanumbers2,
+ (m.merge).stanumbers3,
+ (m.merge).stanumbers4,
+ (m.merge).stanumbers5,
+ (m.merge).stavalues1,
+ (m.merge).stavalues2,
+ (m.merge).stavalues3,
+ (m.merge).stavalues4
+ ,(m.merge).stavalues5
+ FROM (SELECT dbms_stats.merge((
+ v.starelid::regclass, v.staattnum, v.stainherit,
+ v.stanullfrac, v.stawidth, v.stadistinct,
+ v.stakind1, v.stakind2, v.stakind3, v.stakind4,
+ v.stakind5,
+ v.staop1, v.staop2, v.staop3, v.staop4,
+ v.staop5,
+ NULL, v.stanumbers2, v.stanumbers3, v.stanumbers4,
+ v.stanumbers5,
+ v.stavalues1, v.stavalues2, v.stavalues3, v.stavalues4
+ ,v.stavalues5
+ ), (
+ s.starelid::regclass, s.staattnum, s.stainherit,
+ s.stanullfrac, s.stawidth, s.stadistinct,
+ s.stakind1, s.stakind2, s.stakind3, s.stakind4,
+ s.stakind5,
+ s.staop1, s.staop2, s.staop3, s.staop4,
+ s.staop5,
+ NULL, s.stanumbers2, s.stanumbers3, s.stanumbers4,
+ s.stanumbers5,
+ s.stavalues1, s.stavalues2, s.stavalues3, s.stavalues4
+ ,s.stavalues5
+ ))
+ FROM dbms_stats._column_stats_locked v,
+ pg_statistic s
+ WHERE v.starelid = 'st0'::regclass
+ AND v.staattnum = '2'::int2
+ AND s.starelid = 'st0'::regclass
+ AND s.staattnum = '1'::int2) m;
+
+-- No.5-1-13
+SELECT (m.merge).starelid::regclass,
+ (m.merge).staattnum,
+ (m.merge).stainherit,
+ (m.merge).stanullfrac,
+ (m.merge).stawidth,
+ (m.merge).stadistinct,
+ (m.merge).stakind1,
+ (m.merge).stakind2,
+ (m.merge).stakind3,
+ (m.merge).stakind4,
+ (m.merge).stakind5,
+ (m.merge).staop1,
+ (m.merge).staop2,
+ (m.merge).staop3,
+ (m.merge).staop4,
+ (m.merge).staop5,
+ (m.merge).stanumbers1,
+ (m.merge).stanumbers2,
+ (m.merge).stanumbers3,
+ (m.merge).stanumbers4,
+ (m.merge).stanumbers5,
+ (m.merge).stavalues1,
+ (m.merge).stavalues2,
+ (m.merge).stavalues3,
+ (m.merge).stavalues4
+ ,(m.merge).stavalues5
+ FROM (SELECT dbms_stats.merge((
+ NULL, NULL, NULL,
+ NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL
+ ,NULL, NULL, NULL, NULL
+ ), s)
+ FROM pg_statistic s
+ WHERE s.starelid = 'st0'::regclass
+ AND s.staattnum = '1'::int2) m;
+
+-- No.5-1-14
+SELECT (m.merge).starelid::regclass,
+ (m.merge).staattnum,
+ (m.merge).stainherit,
+ (m.merge).stanullfrac,
+ (m.merge).stawidth,
+ (m.merge).stadistinct,
+ (m.merge).stakind1,
+ (m.merge).stakind2,
+ (m.merge).stakind3,
+ (m.merge).stakind4,
+ (m.merge).stakind5,
+ (m.merge).staop1,
+ (m.merge).staop2,
+ (m.merge).staop3,
+ (m.merge).staop4,
+ (m.merge).staop5,
+ (m.merge).stanumbers1,
+ (m.merge).stanumbers2,
+ (m.merge).stanumbers3,
+ (m.merge).stanumbers4,
+ (m.merge).stanumbers5,
+ (m.merge).stavalues1,
+ (m.merge).stavalues2,
+ (m.merge).stavalues3,
+ (m.merge).stavalues4
+ ,(m.merge).stavalues5
+ FROM (SELECT dbms_stats.merge(v, (
+ NULL, NULL, NULL,
+ NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL))
+ FROM dbms_stats._column_stats_locked v
+ WHERE v.starelid = 'st0'::regclass
+ AND v.staattnum = '2'::int2) m;
+
+-- No.5-1-15
+SELECT (m.merge).starelid::regclass,
+ (m.merge).staattnum,
+ (m.merge).stainherit,
+ (m.merge).stanullfrac,
+ (m.merge).stawidth,
+ (m.merge).stadistinct,
+ (m.merge).stakind1,
+ (m.merge).stakind2,
+ (m.merge).stakind3,
+ (m.merge).stakind4,
+ (m.merge).stakind5,
+ (m.merge).staop1,
+ (m.merge).staop2,
+ (m.merge).staop3,
+ (m.merge).staop4,
+ (m.merge).staop5,
+ (m.merge).stanumbers1,
+ (m.merge).stanumbers2,
+ (m.merge).stanumbers3,
+ (m.merge).stanumbers4,
+ (m.merge).stanumbers5,
+ (m.merge).stavalues1,
+ (m.merge).stavalues2,
+ (m.merge).stavalues3,
+ (m.merge).stavalues4
+ ,(m.merge).stavalues5
+ FROM (SELECT dbms_stats.merge(v, s)
+ FROM dbms_stats._column_stats_locked v,
+ pg_statistic s
+ WHERE v.starelid = 'st0'::regclass
+ AND v.staattnum = '2'::int2
+ AND s.starelid = 'st0'::regclass
+ AND s.staattnum = '1'::int2) m;
+
+-- No.5-1-16
+SELECT dbms_stats.merge((
+ v.starelid::regclass, v.staattnum, v.stainherit,
+ v.stanullfrac, v.stawidth, v.stadistinct,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL
+ ,NULL, NULL, NULL, NULL
+ ), (
+ s.starelid::regclass, s.staattnum, s.stainherit,
+ s.stanullfrac, s.stawidth, s.stadistinct,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL))
+ FROM dbms_stats._column_stats_locked v,
+ pg_statistic s
+ WHERE v.starelid = 'st0'::regclass
+ AND v.staattnum = '2'::int2
+ AND s.starelid = 'st0'::regclass
+ AND s.staattnum = '1'::int2;
+
+-- No.5-1-17
+SELECT (m.merge).starelid::regclass,
+ (m.merge).staattnum,
+ (m.merge).stainherit,
+ (m.merge).stanullfrac,
+ (m.merge).stawidth,
+ (m.merge).stadistinct,
+ (m.merge).stakind1,
+ (m.merge).stakind2,
+ (m.merge).stakind3,
+ (m.merge).stakind4,
+ (m.merge).stakind5,
+ (m.merge).staop1,
+ (m.merge).staop2,
+ (m.merge).staop3,
+ (m.merge).staop4,
+ (m.merge).staop5,
+ (m.merge).stanumbers1,
+ (m.merge).stanumbers2,
+ (m.merge).stanumbers3,
+ (m.merge).stanumbers4,
+ (m.merge).stanumbers5,
+ (m.merge).stavalues1,
+ (m.merge).stavalues2,
+ (m.merge).stavalues3,
+ (m.merge).stavalues4
+ ,(m.merge).stavalues5
+ FROM (SELECT dbms_stats.merge((
+ v.starelid::regclass, v.staattnum, v.stainherit,
+ v.stanullfrac, v.stawidth, v.stadistinct,
+ v.stakind1, v.stakind2, v.stakind3, v.stakind4,
+ v.stakind5,
+ v.staop1, v.staop2, v.staop3,
+ v.staop4,
+ NULL, v.stanumbers1, v.stanumbers2, v.stanumbers3, v.stanumbers4,
+ v.stanumbers5,
+ v.stavalues1, v.stavalues2, v.stavalues3, v.stavalues4
+ ,v.stavalues5
+ ), (
+ s.starelid::regclass, s.staattnum, s.stainherit,
+ s.stanullfrac, s.stawidth, s.stadistinct,
+ s.stakind1, s.stakind2, s.stakind3, s.stakind4,
+ s.stakind5,
+ s.staop1, s.staop2, s.staop3, s.staop4,
+ s.staop5,
+ s.stanumbers1, s.stanumbers2, s.stanumbers3, s.stanumbers4,
+ s.stanumbers5,
+ s.stavalues1, s.stavalues2, s.stavalues3, s.stavalues4
+ ,s.stavalues5
+ ))
+ FROM dbms_stats._column_stats_locked v,
+ pg_statistic s
+ WHERE v.starelid = 'st0'::regclass
+ AND v.staattnum = '1'::int2
+ AND s.starelid = 'st0'::regclass
+ AND s.staattnum = '1'::int2) m;
+
+-- No.5-1-18
+SELECT dbms_stats.merge((
+ v.starelid::regclass, v.staattnum, v.stainherit,
+ v.stanullfrac, v.stawidth, v.stadistinct,
+ v.stakind1, v.stakind2, v.stakind3, v.stakind4,
+ v.stakind5,
+ v.staop1, v.staop2, v.staop3,
+ v.staop4,
+ NULL, v.stanumbers1, v.stanumbers2, v.stanumbers3, v.stanumbers4,
+ v.stanumbers5,
+ v.stavalues1, v.stavalues2, v.stavalues3, v.stavalues4
+ ,v.stavalues5
+ ), (
+ s.starelid::regclass, s.staattnum, s.stainherit,
+ s.stanullfrac, s.stawidth, s.stadistinct,
+ s.stakind1, s.stakind2, s.stakind3, s.stakind4,
+ s.stakind5,
+ s.staop1, s.staop2, s.staop3,
+ s.staop4,
+ NULL, s.stanumbers1, s.stanumbers2, s.stanumbers3, s.stanumbers4,
+ s.stanumbers5,
+ s.stavalues1, s.stavalues2, s.stavalues3, s.stavalues4
+ ,s.stavalues5
+ ))
+ FROM dbms_stats._column_stats_locked v,
+ pg_statistic s
+ WHERE v.starelid = 'st0'::regclass
+ AND v.staattnum = '1'::int2
+ AND s.starelid = 'st0'::regclass
+ AND s.staattnum = '1'::int2;
+
+-- No.5-1-19
+SELECT (m.merge).starelid::regclass,
+ (m.merge).staattnum,
+ (m.merge).stainherit,
+ (m.merge).stanullfrac,
+ (m.merge).stawidth,
+ (m.merge).stadistinct,
+ (m.merge).stakind1,
+ (m.merge).stakind2,
+ (m.merge).stakind3,
+ (m.merge).stakind4,
+ (m.merge).stakind5,
+ (m.merge).staop1,
+ (m.merge).staop2,
+ (m.merge).staop3,
+ (m.merge).staop4,
+ (m.merge).staop5,
+ (m.merge).stanumbers1,
+ (m.merge).stanumbers2,
+ (m.merge).stanumbers3,
+ (m.merge).stanumbers4,
+ (m.merge).stanumbers5,
+ (m.merge).stavalues1,
+ (m.merge).stavalues2,
+ (m.merge).stavalues3,
+ (m.merge).stavalues4
+ ,(m.merge).stavalues5
+ FROM (SELECT dbms_stats.merge((
+ v.starelid::regclass, v.staattnum, v.stainherit,
+ v.stanullfrac, v.stawidth, v.stadistinct,
+ '1', '1', '1', '1',
+ '1',
+ v.staop1, v.staop2, v.staop3, v.staop4,
+ v.staop5,
+ v.stanumbers1, v.stanumbers2, v.stanumbers3, v.stanumbers4,
+ v.stanumbers5,
+ v.stavalues1, v.stavalues2, v.stavalues3, v.stavalues4
+ ,v.stavalues5
+ ), (
+ s.starelid::regclass, s.staattnum, s.stainherit,
+ s.stanullfrac, s.stawidth, s.stadistinct,
+ '1', '1', '1', '1',
+ '1',
+ s.staop1, s.staop2, s.staop3, s.staop4,
+ s.staop5,
+ s.stanumbers1, s.stanumbers2, s.stanumbers3, s.stanumbers4,
+ s.stanumbers5,
+ s.stavalues1, s.stavalues2, s.stavalues3, s.stavalues4
+ ,s.stavalues5
+ ))
+ FROM dbms_stats._column_stats_locked v,
+ pg_statistic s
+ WHERE v.starelid = 'st0'::regclass
+ AND v.staattnum = '2'::int2
+ AND s.starelid = 'st0'::regclass
+ AND s.staattnum = '1'::int2) m;
+
+-- No.5-1-20
+SELECT (m.merge).starelid::regclass,
+ (m.merge).staattnum,
+ (m.merge).stainherit,
+ (m.merge).stanullfrac,
+ (m.merge).stawidth,
+ (m.merge).stadistinct,
+ (m.merge).stakind1,
+ (m.merge).stakind2,
+ (m.merge).stakind3,
+ (m.merge).stakind4,
+ (m.merge).stakind5,
+ (m.merge).staop1,
+ (m.merge).staop2,
+ (m.merge).staop3,
+ (m.merge).staop4,
+ (m.merge).staop5,
+ (m.merge).stanumbers1,
+ (m.merge).stanumbers2,
+ (m.merge).stanumbers3,
+ (m.merge).stanumbers4,
+ (m.merge).stanumbers5,
+ (m.merge).stavalues1,
+ (m.merge).stavalues2,
+ (m.merge).stavalues3,
+ (m.merge).stavalues4
+ ,(m.merge).stavalues5
+ FROM (SELECT dbms_stats.merge((v.starelid::regclass, v.staattnum, v.stainherit,
+ v.stanullfrac, v.stawidth, v.stadistinct,
+ '2', '2', '2', '2',
+ '2',
+ v.staop1, v.staop2, v.staop3, v.staop4,
+ v.staop5,
+ v.stanumbers1, v.stanumbers2, v.stanumbers3, v.stanumbers4,
+ v.stanumbers5,
+ v.stavalues1, v.stavalues2, v.stavalues3, v.stavalues4
+ ,v.stavalues5
+ ), (
+ s.starelid::regclass, s.staattnum, s.stainherit,
+ s.stanullfrac, s.stawidth, s.stadistinct,
+ '2', '2', '2', '2',
+ '2',
+ s.staop1, s.staop2, s.staop3, s.staop4,
+ s.staop5,
+ s.stanumbers1, s.stanumbers2, s.stanumbers3, s.stanumbers4,
+ s.stanumbers5,
+ s.stavalues1, s.stavalues2, s.stavalues3, s.stavalues4
+ ,s.stavalues5
+ ))
+ FROM dbms_stats._column_stats_locked v,
+ pg_statistic s
+ WHERE v.starelid = 'st0'::regclass
+ AND v.staattnum = '2'::int2
+ AND s.starelid = 'st0'::regclass
+ AND s.staattnum = '1'::int2) m;
+
+-- No.5-1-21
+SELECT dbms_stats.merge((v.starelid::regclass, '2', v.stainherit,
+ v.stanullfrac, v.stawidth, v.stadistinct,
+ '1', '1', '1', '1',
+ '1',
+ v.staop1, v.staop2, v.staop3, v.staop4,
+ v.staop5,
+ v.stanumbers1, v.stanumbers2, v.stanumbers3, v.stanumbers4,
+ v.stanumbers5,
+ v.stavalues1, v.stavalues2, v.stavalues3, v.stavalues4
+ ,v.stavalues5
+ ), (
+ s.starelid::regclass, s.staattnum, s.stainherit,
+ s.stanullfrac, s.stawidth, s.stadistinct,
+ '1', '1', '1', '1',
+ '1',
+ s.staop1, s.staop2, s.staop3, s.staop4,
+ s.staop5,
+ s.stanumbers1, s.stanumbers2, s.stanumbers3, s.stanumbers4,
+ s.stanumbers5,
+ s.stavalues1, s.stavalues2, s.stavalues3, s.stavalues4
+ ,s.stavalues5
+ ))
+ FROM dbms_stats._column_stats_locked v,
+ pg_statistic s
+ WHERE v.starelid = 'st0'::regclass
+ AND v.staattnum = '1'::int2
+ AND s.starelid = 'st0'::regclass
+ AND s.staattnum = '1'::int2;
+
+-- No.5-1-22
+SELECT dbms_stats.merge((v.starelid::regclass, '2', v.stainherit,
+ v.stanullfrac, v.stawidth, v.stadistinct,
+ '2', '2', '2', '2',
+ '2',
+ v.staop1, v.staop2, v.staop3, v.staop4,
+ v.staop5,
+ v.stanumbers1, v.stanumbers2, v.stanumbers3, v.stanumbers4,
+ v.stanumbers5,
+ v.stavalues1, v.stavalues2, v.stavalues3, v.stavalues4
+ ,v.stavalues5
+ ), (
+ s.starelid::regclass, s.staattnum, s.stainherit,
+ s.stanullfrac, s.stawidth, s.stadistinct,
+ '2', '2', '2', '2',
+ '2',
+ s.staop1, s.staop2, s.staop3, s.staop4,
+ s.staop5,
+ s.stanumbers1, s.stanumbers2, s.stanumbers3, s.stanumbers4,
+ s.stanumbers5,
+ s.stavalues1, s.stavalues2, s.stavalues3, s.stavalues4
+ ,s.stavalues5
+ ))
+ FROM dbms_stats._column_stats_locked v,
+ pg_statistic s
+ WHERE v.starelid = 'st0'::regclass
+ AND v.staattnum = '1'::int2
+ AND s.starelid = 'st0'::regclass
+ AND s.staattnum = '1'::int2;
+RESET client_min_messages;
+SELECT dbms_stats.unlock_database_stats();
+
+/*
+ * No.6-4 dbms_stats.is_target_relkind
+ */
+-- No.6-4- 10-11
+SELECT dbms_stats.is_target_relkind(k::"char")
+ FROM (VALUES ('r'), ('i'), ('f'), ('m'),
+ ('S'), ('t'), ('v'), ('c')) t(k);
+
+/*
+ * No.7-1 dbms_stats.backup
+ */
+DELETE FROM dbms_stats.backup_history;
+INSERT INTO dbms_stats.backup_history(id, time, unit) values(1, '2012-01-01', 'd');
+-- No.7-1-9
+SELECT dbms_stats.backup(1, 's0.sft0'::regclass, NULL);
+SELECT count(*) FROM dbms_stats.relation_stats_backup;
+SELECT count(*) FROM dbms_stats.column_stats_backup;
+
+-- No.7-1-10
+DELETE FROM dbms_stats.relation_stats_backup;
+SELECT dbms_stats.backup(1, 's0.smv0'::regclass, NULL);
+SELECT count(*) FROM dbms_stats.relation_stats_backup;
+SELECT count(*) FROM dbms_stats.column_stats_backup;
+
+-- No.7-1-12
+DELETE FROM dbms_stats.relation_stats_backup;
+SELECT dbms_stats.backup(1, NULL, 1::int2);
+SELECT relid::regclass FROM dbms_stats.relation_stats_backup
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, staattnum FROM dbms_stats.column_stats_backup
+ GROUP BY starelid, staattnum
+ ORDER BY starelid, staattnum;
+
+-- No.7-1-14
+DELETE FROM dbms_stats.relation_stats_backup;
+SELECT dbms_stats.backup(1, NULL::regclass, NULL);
+SELECT relid::regclass FROM dbms_stats.relation_stats_backup
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, staattnum FROM dbms_stats.column_stats_backup
+ GROUP BY starelid, staattnum
+ ORDER BY starelid, staattnum;
+
+-- No.7-1-18
+DELETE FROM dbms_stats.relation_stats_backup;
+\! psql contrib_regression -c "SELECT dbms_stats.backup(NULL, 's0.st0'::regclass, NULL)" > results/ut_no2_1_17.out 2>&1
+SELECT count(*) FROM dbms_stats.relation_stats_backup;
+SELECT count(*) FROM dbms_stats.column_stats_backup;
+
+/*
+ * No.8-1 dbms_stats.backup
+ */
+SELECT setval('dbms_stats.backup_history_id_seq',1, false);
+/*
+ * Stab function dbms_stats.backup
+ */
+ALTER FUNCTION dbms_stats.backup(
+ backup_id int8,
+ relid regclass,
+ attnum int2)
+ RENAME TO truth_func_backup;
+
+CREATE OR REPLACE FUNCTION dbms_stats.backup(
+ backup_id int8,
+ regclass,
+ attnum int2)
+RETURNS int8 AS
+$$
+BEGIN
+ RAISE NOTICE 'arguments are %, %, %', $1, $2, $3;
+ RETURN 1;
+END;
+$$
+LANGUAGE plpgsql;
+
+-- No.8-1-1
+DELETE FROM dbms_stats.backup_history;
+SELECT dbms_stats.backup('s0.st0'::regclass, 'id', 'dummy comment');
+SELECT id, unit, comment FROM dbms_stats.backup_history;
+
+-- No.8-1-2
+DELETE FROM dbms_stats.backup_history;
+SELECT dbms_stats.backup('s0.st0'::regclass, NULL, 'dummy comment');
+SELECT id, unit, comment FROM dbms_stats.backup_history;
+
+-- No.8-1-3
+DELETE FROM dbms_stats.backup_history;
+SELECT dbms_stats.backup(NULL::regclass, 'id', 'dummy comment');
+SELECT id, unit, comment FROM dbms_stats.backup_history;
+
+-- No.8-1-4
+DELETE FROM dbms_stats.backup_history;
+SELECT dbms_stats.backup(NULL::regclass, NULL, 'dummy comment');
+SELECT id, unit, comment FROM dbms_stats.backup_history;
+
+-- No.8-1-5
+DELETE FROM dbms_stats.backup_history;
+SELECT dbms_stats.backup(0, NULL, 'dummy comment');
+SELECT id, unit, comment FROM dbms_stats.backup_history;
+
+-- No.8-1-6
+DELETE FROM dbms_stats.backup_history;
+SELECT dbms_stats.backup('s0.st0'::regclass, NULL, 'dummy comment');
+SELECT id, unit, comment FROM dbms_stats.backup_history;
+
+-- No.8-1-7
+DELETE FROM dbms_stats.backup_history;
+SELECT dbms_stats.backup(
+ 'pg_toast.pg_toast_2618'::regclass,
+ NULL,
+ 'dummy comment');
+SELECT id, unit, comment FROM dbms_stats.backup_history;
+
+-- No.8-1-8
+DELETE FROM dbms_stats.backup_history;
+SELECT dbms_stats.backup('s0.st0_idx'::regclass, NULL, 'dummy comment');
+SELECT id, unit, comment FROM dbms_stats.backup_history;
+
+-- No.8-1-9
+DELETE FROM dbms_stats.backup_history;
+SELECT dbms_stats.backup('s0.ss0'::regclass, NULL, 'dummy comment');
+SELECT id, unit, comment FROM dbms_stats.backup_history;
+
+-- No.8-1-10
+DELETE FROM dbms_stats.backup_history;
+SELECT dbms_stats.backup('s0.sc0'::regclass, NULL, 'dummy comment');
+SELECT id, unit, comment FROM dbms_stats.backup_history;
+
+-- No.8-1-11
+DELETE FROM dbms_stats.backup_history;
+SELECT dbms_stats.backup('s0.sft0'::regclass, NULL, 'dummy comment');
+SELECT id, unit, comment FROM dbms_stats.backup_history;
+
+-- No.8-1-12
+DELETE FROM dbms_stats.backup_history;
+SELECT dbms_stats.backup('s0.smv0'::regclass, NULL, 'dummy comment');
+SELECT id, unit, comment FROM dbms_stats.backup_history;
+
+-- No.8-1-13
+DELETE FROM dbms_stats.backup_history;
+SELECT dbms_stats.backup('pg_catalog.pg_class'::regclass, NULL, 'dummy comment');
+SELECT id, unit, comment FROM dbms_stats.backup_history;
+
+-- No.8-1-14
+DELETE FROM dbms_stats.backup_history;
+SELECT dbms_stats.backup('s0.st0'::regclass, 'dummy', 'dummy comment');
+SELECT id, unit, comment FROM dbms_stats.backup_history;
+
+-- No.8-1-15
+DELETE FROM dbms_stats.backup_history;
+DELETE FROM pg_statistic
+ WHERE starelid = 's0.st0'::regclass
+ AND staattnum = 1::int2;
+SELECT count(*) FROM dbms_stats.column_stats_effective
+ WHERE starelid = 's0.st0'::regclass
+ AND staattnum = 1::int2;
+SELECT dbms_stats.backup('s0.st0'::regclass, 'id', 'dummy comment');
+SELECT id, unit, comment FROM dbms_stats.backup_history;
+
+/*
+ * Stab function dbms_stats.backup
+ */
+ALTER FUNCTION dbms_stats.backup(
+ relid regclass,
+ attname text,
+ comment text)
+ RENAME TO truth_func_backup;
+CREATE OR REPLACE FUNCTION dbms_stats.backup(
+ relid regclass DEFAULT NULL,
+ attname text DEFAULT NULL,
+ comment text DEFAULT NULL)
+RETURNS int8 AS
+$$
+BEGIN
+ IF $3 = '<NULL>' THEN
+ RAISE NOTICE 'third argument is not NULL but string "<NULL>"';
+ END IF;
+ RAISE NOTICE 'arguments are %, %, %', $1, $2, $3;
+ RETURN 1;
+END;
+$$
+LANGUAGE plpgsql;
+
+/*
+ * No.8-3 dbms_stats.backup_schema_stats
+ */
+SELECT setval('dbms_stats.backup_history_id_seq',9, false);
+-- No.8-3-1
+SELECT dbms_stats.backup_schema_stats('s0', 'comment');
+SELECT id, unit, comment FROM dbms_stats.backup_history
+ ORDER BY id DESC
+ LIMIT 1;
+-- No.8-3-2
+SELECT dbms_stats.backup_schema_stats('s00', 'comment');
+SELECT id, unit, comment FROM dbms_stats.backup_history
+ ORDER BY id DESC
+ LIMIT 1;
+-- No.8-3-3
+SELECT dbms_stats.backup_schema_stats('pg_catalog', 'comment');
+SELECT id, unit, comment FROM dbms_stats.backup_history
+ ORDER BY id DESC
+ LIMIT 1;
+
+/*
+ * Delete stab function dbms_stats.backup
+ */
+DROP FUNCTION dbms_stats.backup(
+ backup_id int8,
+ regclass,
+ attnum int2);
+ALTER FUNCTION dbms_stats.truth_func_backup(
+ backup_id int8,
+ regclass,
+ attnum int2)
+ RENAME TO backup;
+DROP FUNCTION dbms_stats.backup(
+ regclass,
+ attname text,
+ comment text);
+ALTER FUNCTION dbms_stats.truth_func_backup(
+ regclass,
+ attname text,
+ comment text)
+ RENAME TO backup;
+VACUUM ANALYZE;
+
+/*
+ * create backup statistics state A
+ */
+DELETE FROM dbms_stats.backup_history;
+
+INSERT INTO dbms_stats.backup_history(id, time, unit)
+ VALUES (1, '2012-02-29 23:59:56.999999', 'd');
+
+SELECT setval('dbms_stats.backup_history_id_seq',1);
+SELECT dbms_stats.backup();
+UPDATE dbms_stats.backup_history
+ SET time = '2012-02-29 23:59:57'
+ WHERE id = 2;
+SELECT dbms_stats.backup('s0.st0');
+UPDATE dbms_stats.backup_history
+ SET time = '2012-02-29 23:59:57.000001'
+ WHERE id = 3;
+SELECT dbms_stats.backup();
+UPDATE dbms_stats.backup_history
+ SET time = '2012-02-29 23:59:58'
+ WHERE id = 4;
+DELETE FROM dbms_stats.relation_stats_backup
+ WHERE id = 4;
+SELECT dbms_stats.backup('s0.st0', 'id');
+UPDATE dbms_stats.backup_history
+ SET time = '2012-03-01 00:00:00'
+ WHERE id = 5;
+SELECT dbms_stats.backup('s0.st0');
+UPDATE dbms_stats.backup_history
+ SET time = '2012-03-01 00:00:02'
+ WHERE id = 6;
+SELECT dbms_stats.backup('public.st0');
+UPDATE dbms_stats.backup_history
+ SET time = '2012-03-01 00:00:04'
+ WHERE id = 7;
+INSERT INTO dbms_stats.backup_history(time, unit)
+ VALUES ('2012-03-01 00:00:06', 's');
+SELECT dbms_stats.backup(8, c.oid, NULL)
+ FROM pg_catalog.pg_class c,
+ pg_catalog.pg_namespace n
+ WHERE n.nspname = 's0'
+ AND c.relnamespace = n.oid
+ AND c.relkind IN ('r', 'i');
+
+SELECT * FROM dbms_stats.backup_history
+ ORDER BY id;
+SELECT * FROM relations_backup_v;
+SELECT * FROM columns_backup_v;
+
+VACUUM ANALYZE;
+
+/*
+ * No.9-1 dbms_stats.restore
+ */
+-- No.9-1-1
+DELETE FROM dbms_stats._relation_stats_locked;
+VACUUM dbms_stats._relation_stats_locked; -- in order to avoid auto vacuum
+BEGIN;
+SELECT * FROM internal_locks;
+SELECT dbms_stats.restore(2, 's0.st0', NULL);
+SELECT * FROM internal_locks;
+COMMIT;
+SELECT relid::regclass FROM dbms_stats.relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+
+-- No.9-1-2
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.restore(2, 'st0', NULL);
+SELECT relid::regclass FROM dbms_stats.relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+
+-- No.9-1-3
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.restore(2, 's00.s0', NULL);
+SELECT count(*) FROM dbms_stats.column_stats_locked;
+SELECT count(*) FROM dbms_stats.relation_stats_locked;
+
+-- No.9-1-4
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.restore(NULL, 's0.st0', NULL);
+SELECT count(*) FROM dbms_stats.column_stats_locked;
+SELECT count(*) FROM dbms_stats.relation_stats_locked;
+
+-- No.9-1-5
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.restore(2, 's0.st0', 'id');
+SELECT relid::regclass FROM dbms_stats.relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+
+-- No.9-1-6
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.restore(2, NULL, 'id');
+SELECT count(*) FROM dbms_stats.column_stats_locked;
+SELECT count(*) FROM dbms_stats.relation_stats_locked;
+
+-- No.9-1-7
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.restore(2, 's0.st0', NULL);
+SELECT relid::regclass FROM dbms_stats.relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+
+-- No.9-1-8
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.restore(2, NULL, NULL);
+SELECT relid::regclass FROM dbms_stats.relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+
+-- No.9-1-9
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.restore(0, 's0.st0', NULL);
+SELECT relid::regclass FROM dbms_stats.relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+
+-- No.9-1-10
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.restore(2, 0, 'id');
+SELECT count(*) FROM dbms_stats.column_stats_locked;
+SELECT count(*) FROM dbms_stats.relation_stats_locked;
+
+-- No.9-1-11
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.restore(1, 's0.st0', NULL);
+SELECT count(*) FROM dbms_stats.column_stats_locked;
+SELECT count(*) FROM dbms_stats.relation_stats_locked;
+
+-- No.9-1-12
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.restore(2, 's0.st0', 'dummy');
+SELECT count(*) FROM dbms_stats.column_stats_locked;
+SELECT count(*) FROM dbms_stats.relation_stats_locked;
+
+-- No.9-1-13
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.restore(1, 's0.st0', 'id');
+SELECT count(*) FROM dbms_stats.column_stats_locked;
+SELECT count(*) FROM dbms_stats.relation_stats_locked;
+
+-- No.9-1-15
+DELETE FROM dbms_stats._relation_stats_locked;
+ALTER TABLE s1.st0 DROP COLUMN id;
+SELECT dbms_stats.restore(2, 's1.st0', 'id');
+SELECT relid::regclass FROM dbms_stats.relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+
+-- No.9-1-14
+DELETE FROM dbms_stats._relation_stats_locked;
+\set s1_st0_oid `psql contrib_regression -tA -c "SELECT c.oid FROM pg_class c, pg_namespace n WHERE c.relnamespace = n.oid AND n.nspname = 's1' AND c.relname = 'st0';"`
+DROP TABLE s1.st0;
+-- SELECT dbms_stats.restore(2, :s1_st0_oid, NULL);
+-- To avoid test unstability caused by relation id alloction, the test
+-- above is omitted.
+
+SELECT count(*) FROM dbms_stats.relation_stats_locked;
+SELECT count(*) FROM dbms_stats.column_stats_locked;
+CREATE TABLE s1.st0(id integer, num integer);
+INSERT INTO s1.st0 VALUES (1, 15), (2, 25), (3, 35), (4, 45);
+VACUUM ANALYZE;
+-- No.9-1-16
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.restore(2, 's0.st0', NULL);
+SELECT relid::regclass FROM dbms_stats.relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+
+-- No.9-1-17
+DELETE FROM dbms_stats._relation_stats_locked;
+INSERT INTO dbms_stats.relation_stats_backup(
+ id, relid, relname, relpages, reltuples,
+ relallvisible,
+ curpages)
+ VALUES (2,
+ 'pg_toast.pg_toast_2618'::regclass,
+ 'pg_toast.pg_toast_2618', 1, 1,
+ 1,
+ 1);
+SELECT * FROM relations_backup_v
+ WHERE id = 2
+ AND relname = 'pg_toast.pg_toast_2618';
+SELECT dbms_stats.restore(2, 'pg_toast.pg_toast_2618', NULL);
+SELECT count(*) FROM dbms_stats.column_stats_locked;
+SELECT count(*) FROM dbms_stats.relation_stats_locked;
+DELETE FROM dbms_stats.relation_stats_backup
+ WHERE id = 2
+ AND relname = 'pg_toast.pg_toast_2618';
+
+-- No.9-1-18
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.restore(2, 's0.st0_idx', NULL);
+SELECT relid::regclass FROM dbms_stats.relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+
+-- No.9-1-19
+DELETE FROM dbms_stats._relation_stats_locked;
+INSERT INTO dbms_stats.relation_stats_backup(
+ id, relid, relname, relpages, reltuples,
+ relallvisible,
+ curpages)
+ VALUES (2, 's0.ss0'::regclass, 's0.ss0', 1, 1,
+ 1,
+ 1);
+SELECT * FROM relations_backup_v
+ WHERE id = 2
+ AND relname = 's0.ss0';
+SELECT dbms_stats.restore(2, 's0.ss0', NULL);
+SELECT count(*) FROM dbms_stats.column_stats_locked;
+SELECT count(*) FROM dbms_stats.relation_stats_locked;
+DELETE FROM dbms_stats.relation_stats_backup
+ WHERE id = 2
+ AND relname = 's0.ss0';
+
+-- No.9-1-20
+DELETE FROM dbms_stats._relation_stats_locked;
+INSERT INTO dbms_stats.relation_stats_backup(
+ id, relid, relname, relpages, reltuples,
+ relallvisible,
+ curpages)
+ VALUES (2, 's0.sc0'::regclass, 's0.sc0', 1, 1,
+ 1,
+ 1);
+SELECT * FROM relations_backup_v
+ WHERE id = 2
+ AND relname = 's0.sc0';
+SELECT dbms_stats.restore(2, 's0.sc0', NULL);
+SELECT count(*) FROM dbms_stats.column_stats_locked;
+SELECT count(*) FROM dbms_stats.relation_stats_locked;
+DELETE FROM dbms_stats.relation_stats_backup
+ WHERE id = 2
+ AND relname = 's0.sc0';
+
+-- No.9-1-21
+DELETE FROM dbms_stats._relation_stats_locked;
+INSERT INTO dbms_stats.relation_stats_backup(
+ id, relid, relname, relpages, reltuples,
+ relallvisible,
+ curpages)
+ VALUES (3, 's0.sft0'::regclass, 's0.sft0', 1, 1,
+ 1,
+ 1);
+SELECT * FROM relations_backup_v
+ WHERE id = 3
+ AND relname = 's0.sft0';
+SELECT dbms_stats.restore(2, 's0.sft0', NULL);
+SELECT count(*) FROM dbms_stats.column_stats_locked;
+SELECT count(*) FROM dbms_stats.relation_stats_locked;
+DELETE FROM dbms_stats.relation_stats_backup
+ WHERE id = 3
+ AND relname = 's0.sft0';
+
+-- No.9-1-22
+DELETE FROM dbms_stats._relation_stats_locked;
+INSERT INTO dbms_stats.relation_stats_backup(
+ id, relid, relname, relpages, reltuples,
+ relallvisible,
+ curpages)
+ VALUES (3, 's0.smv0'::regclass, 's0.smv0', 1, 1,
+ 1,
+ 1);
+SELECT * FROM relations_backup_v
+ WHERE id = 3
+ AND relname = 's0.smv0';
+SELECT dbms_stats.restore(2, 's0.smv0', NULL);
+SELECT count(*) FROM dbms_stats.column_stats_locked;
+SELECT count(*) FROM dbms_stats.relation_stats_locked;
+DELETE FROM dbms_stats.relation_stats_backup
+ WHERE id = 3
+ AND relname = 's0.smv0';
+
+-- No.9-1-23
+DELETE FROM dbms_stats._relation_stats_locked;
+INSERT INTO dbms_stats.relation_stats_backup(
+ id, relid, relname, relpages, reltuples,
+ relallvisible,
+ curpages)
+ VALUES (2, 'pg_catalog.pg_class'::regclass, 'pg_catalog.pg_class', 1, 1,
+ 1,
+ 1);
+SELECT * FROM relations_backup_v
+ WHERE id = 2
+ AND relname = 'pg_catalog.pg_class';
+SELECT dbms_stats.restore(2, 'pg_catalog.pg_class', NULL);
+SELECT count(*) FROM dbms_stats.column_stats_locked;
+SELECT count(*) FROM dbms_stats.relation_stats_locked;
+DELETE FROM dbms_stats.relation_stats_backup
+ WHERE id = 2
+ AND relname = 'pg_catalog.pg_class';
+
+-- No.9-1-24
+DELETE FROM dbms_stats._relation_stats_locked;
+INSERT INTO dbms_stats._relation_stats_locked(relid, relname)
+ VALUES ('s0.st0'::regclass, 's0.st0');
+INSERT INTO dbms_stats._column_stats_locked(starelid, staattnum, stainherit)
+ SELECT starelid::regclass, staattnum, stainherit
+ FROM dbms_stats.column_stats_effective
+ WHERE starelid = 's0.st0'::regclass;
+SELECT id, unit, comment FROM dbms_stats.backup_history
+ WHERE id = 2;
+SELECT * FROM columns_locked_v;
+SELECT * FROM relations_locked_v;
+SELECT dbms_stats.restore(2, 's0.st0', NULL);
+SELECT * FROM relations_locked_v;
+SELECT * FROM columns_locked_v;
+
+-- No.9-1-25
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT id, unit, comment FROM dbms_stats.backup_history
+ WHERE id = 2;
+SELECT dbms_stats.restore(2, 's0.st0', NULL);
+SELECT * FROM relations_locked_v;
+SELECT * FROM columns_locked_v;
+
+/*
+ * Stab function dbms_stats.restore
+ */
+CREATE OR REPLACE FUNCTION dbms_stats.restore(
+ backup_id int8,
+ relid regclass DEFAULT NULL,
+ attname text DEFAULT NULL)
+RETURNS SETOF regclass AS
+$$
+BEGIN
+ RAISE NOTICE 'arguments are "%, %, %"', $1, $2, $3;
+ RETURN QUERY
+ SELECT c.oid::regclass
+ FROM pg_class c, dbms_stats.relation_stats_backup b
+ WHERE (c.oid = $2 OR $2 IS NULL)
+ AND c.oid = b.relid
+ AND c.relkind IN ('r', 'i')
+ AND (b.id <= $1 OR $1 IS NOT NULL)
+ GROUP BY c.oid
+ ORDER BY c.oid::regclass::text;
+END;
+$$
+LANGUAGE plpgsql;
+
+/*
+ * No.10-1 dbms_stats.restore_database_stats
+ */
+-- No.10-1-1
+SELECT dbms_stats.restore_database_stats('2012-02-29 23:59:57');
+-- No.10-1-2
+SELECT dbms_stats.restore_database_stats('2012-02-29 23:59:57.000002');
+-- No.10-1-3
+SELECT dbms_stats.restore_database_stats('2012-01-01 00:00:00');
+--#No.10-1-4 is skipped after lock tests
+--#No.10-1-5 is skipped after lock tests
+-- No.10-1-6
+SELECT dbms_stats.restore_database_stats('2012-02-29 23:59:57');
+
+/*
+ * No.10-2 dbms_stats.restore_schema_stats
+ */
+-- No.10-2-1
+SELECT dbms_stats.restore_schema_stats('s0', '2012-02-29 23:59:57');
+-- No.10-2-2
+SELECT dbms_stats.restore_schema_stats('s0', '2012-02-29 23:59:57.000002');
+-- No.10-2-3
+SELECT dbms_stats.restore_schema_stats('s0', '2012-01-01 00:00:00');
+--#No.10-2-4 is skipped after lock tests
+--#No.10-2-5 is skipped after lock tests
+-- No.10-2-6
+SELECT dbms_stats.restore_schema_stats('s0', '2012-02-29 23:59:57');
+-- No.10-2-7
+SELECT dbms_stats.restore_schema_stats('s0', '2012-02-29 23:59:57');
+--#No.10-2-8 is skipped after lock tests
+-- No.10-2-9
+SELECT dbms_stats.restore_schema_stats('s00', '2012-02-29 23:59:57');
+-- No.10-2-10
+SELECT dbms_stats.restore_schema_stats('pg_catalog', '2012-02-29 23:59:57');
+
+/*
+ * No.10-7 dbms_stats.restore_stats
+ */
+-- No.10-7-1
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.restore_stats(NULL);
+
+-- No.10-7-2
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.restore_stats(0);
+
+-- No.10-7-3
+DELETE FROM dbms_stats._relation_stats_locked;
+VACUUM dbms_stats._relation_stats_locked; -- in order to avoid auto vacuum
+BEGIN;
+SELECT * FROM internal_locks;
+SELECT dbms_stats.restore_stats(2);
+SELECT * FROM internal_locks;
+COMMIT;
+SELECT relid::regclass FROM dbms_stats.relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+
+-- No.10-7-4
+DELETE FROM dbms_stats._relation_stats_locked;
+INSERT INTO dbms_stats._relation_stats_locked(relid, relname)
+ SELECT relid::regclass, relname
+ FROM dbms_stats.relation_stats_effective;
+INSERT INTO dbms_stats._column_stats_locked(starelid, staattnum, stainherit)
+ SELECT starelid::regclass, staattnum, stainherit
+ FROM dbms_stats.column_stats_effective;
+SELECT id, unit, comment FROM dbms_stats.backup_history
+ WHERE id = 8;
+SELECT * FROM columns_locked_v;
+SELECT * FROM relations_locked_v;
+SELECT dbms_stats.restore_stats(8);
+SELECT * FROM relations_locked_v;
+SELECT * FROM columns_locked_v;
+
+-- No.10-7-5
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT id, unit, comment FROM dbms_stats.backup_history
+ WHERE id = 8;
+SELECT dbms_stats.restore_stats(8);
+SELECT * FROM relations_locked_v;
+SELECT * FROM columns_locked_v;
+
+/*
+ * No.11-1 dbms_stats.lock(relid, attname)
+ */
+-- No.11-1-1
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock(NULL, NULL);
+-- No.11-1-2
+ALTER FUNCTION dbms_stats.lock(relid regclass)
+ RENAME TO truth_lock;
+CREATE FUNCTION dbms_stats.lock(relid regclass)
+RETURNS regclass AS
+$$
+BEGIN
+ RAISE NOTICE 'arguments are %', $1;
+ RETURN $1;
+END
+$$
+LANGUAGE plpgsql;
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('s0.st0', NULL);
+DROP FUNCTION dbms_stats.lock(relid regclass);
+ALTER FUNCTION dbms_stats.truth_lock(relid regclass)
+ RENAME TO lock;
+-- No.11-1-3
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock(NULL, 'id');
+-- No.11-1-4
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('s0.st0', 'id');
+SELECT * FROM relations_locked_v;
+SELECT * FROM columns_locked_v c;
+-- No.11-1-5
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock(0, 'id');
+-- No.11-1-6
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('s0.st0', 'id');
+SELECT * FROM relations_locked_v;
+SELECT * FROM columns_locked_v c;
+-- No.11-1-7
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('pg_toast.pg_toast_2618', 'id');
+-- No.11-1-8
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('s0.st0_idx', 'id');
+-- No.11-1-9
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('st1_exp', 'lower');
+SELECT * FROM relations_locked_v;
+SELECT * FROM columns_locked_v c;
+DELETE FROM dbms_stats._relation_stats_locked;
+
+-- No.11-1-10
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('s0.ss0', 'id');
+-- No.11-1-11
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('s0.sc0', 'id');
+-- No.11-1-12
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('s0.sft0', 'id');
+SELECT * FROM relations_locked_v;
+SELECT * FROM columns_locked_v c;
+-- No.11-1-13
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('s0.smv0', 'id');
+SELECT * FROM relations_locked_v;
+SELECT * FROM columns_locked_v c;
+-- No.11-1-14
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('pg_catalog.pg_class', 'id');
+-- No.11-1-15
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('s0.st0', 'dummy');
+-- No.11-1-16
+DELETE FROM dbms_stats._relation_stats_locked;
+DELETE FROM pg_statistic
+ WHERE starelid = 's0.st0'::regclass;
+SELECT dbms_stats.lock('s0.st0', 'id');
+VACUUM ANALYZE;
+-- No.11-1-17
+DELETE FROM dbms_stats._relation_stats_locked;
+INSERT INTO dbms_stats._relation_stats_locked(
+ relid, relname, relpages, reltuples,
+ relallvisible,
+ curpages)
+ VALUES('s0.st0'::regclass, 's0.st0', 1, 1640,
+ 1,
+ 1);
+SELECT dbms_stats.lock_column_stats('s0.st0','id');
+UPDATE dbms_stats._column_stats_locked
+ SET (stanullfrac, stawidth, stadistinct,
+ stakind1, stakind2, stakind3, stakind4,
+ stakind5,
+ staop1, staop2, staop3, staop4,
+ staop5,
+ stanumbers1, stanumbers2, stanumbers3, stanumbers4,
+ stanumbers5,
+ stavalues1, stavalues2, stavalues3, stavalues4
+ ,stavalues5
+ ) = (
+ NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL)
+ WHERE starelid = 's0.st0'::regclass;
+SELECT dbms_stats.lock('s0.st0', 'id');
+SELECT * FROM relations_locked_v;
+SELECT * FROM columns_locked_v c;
+-- No.11-1-18
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('s0.st0', 'id');
+SELECT * FROM relations_locked_v
+ WHERE relid = 's0.st0'::regclass;
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+
+/*
+ * No.11-2 dbms_stats.lock(relid)
+ */
+-- No.11-2-1
+DELETE FROM dbms_stats._relation_stats_locked;
+VACUUM dbms_stats._relation_stats_locked; -- in order to avoid auto vacuum
+BEGIN;
+SELECT * FROM internal_locks;
+SELECT dbms_stats.lock('s0.st0');
+SELECT * FROM relations_locked_v;
+SELECT * FROM columns_locked_v c;
+SELECT * FROM internal_locks;
+COMMIT;
+
+-- No.11-2-2
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock(NULL);
+-- No.11-2-3
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('0');
+-- No.11-2-4
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('s0.st0');
+SELECT * FROM relations_locked_v;
+SELECT * FROM columns_locked_v c;
+-- No.11-2-5
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('pg_toast.pg_toast_2618');
+-- No.11-2-6
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('s0.st0_idx');
+SELECT * FROM relations_locked_v;
+SELECT * FROM columns_locked_v c;
+-- No.11-2-7
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('s0.ss0');
+-- No.11-2-8
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('s0.sc0');
+-- No.11-2-9
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('s0.sft0');
+SELECT * FROM relations_locked_v;
+SELECT * FROM columns_locked_v c;
+-- No.11-2-10
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('s0.smv0');
+SELECT * FROM relations_locked_v;
+SELECT * FROM columns_locked_v c;
+-- No.11-2-11
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('pg_catalog.pg_class');
+-- No.11-2-12
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_table_stats('s0.st0');
+UPDATE dbms_stats._relation_stats_locked
+ SET (relpages, reltuples,
+ relallvisible,
+ curpages)
+ = (NULL, NULL, NULL
+ ,NULL
+ )
+ WHERE relid = 's0.st0'::regclass;
+SELECT dbms_stats.lock('s0.st0');
+SELECT * FROM relations_locked_v;
+SELECT * FROM columns_locked_v c;
+-- No.11-2-13
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock('s0.st0');
+SELECT * FROM relations_locked_v;
+SELECT * FROM columns_locked_v c;
+
+/*
+ * Stab function dbms_stats.lock
+ */
+ALTER FUNCTION dbms_stats.lock(relid regclass)
+ RENAME TO truth_lock;
+CREATE FUNCTION dbms_stats.lock(relid regclass)
+RETURNS regclass AS
+$$
+BEGIN
+ RAISE NOTICE 'arguments are %', $1;
+ RETURN $1;
+END
+$$
+LANGUAGE plpgsql;
+
+ALTER FUNCTION dbms_stats.lock(relid regclass, attname text)
+ RENAME TO truth_lock;
+CREATE FUNCTION dbms_stats.lock(
+ relid regclass,
+ attname text)
+RETURNS regclass AS
+$$
+BEGIN
+ RAISE NOTICE 'arguments are %, %', $1, $2;
+ RETURN $1;
+END
+$$
+LANGUAGE plpgsql;
+
+/*
+ * No.12-1 dbms_stats.lock_database_stats
+ */
+-- No.12-1-1
+SELECT dbms_stats.lock_database_stats();
+
+/*
+ * No.12-2 dbms_stats.lock_schema_stats
+ */
+-- No.12-2-1
+SELECT dbms_stats.lock_schema_stats('s0');
+-- No.12-2-2
+SELECT dbms_stats.lock_schema_stats('s00');
+-- No.12-2-3
+SELECT dbms_stats.lock_schema_stats('pg_catalog');
+
+/*
+ * No.12-3 dbms_stats.lock_table_stats(regclass)
+ */
+-- No.12-3-1
+SELECT dbms_stats.lock_table_stats('s0.st0');
+-- No.12-3-2
+SELECT dbms_stats.lock_table_stats('st0');
+-- No.12-3-3
+SELECT dbms_stats.lock_table_stats('s00.s0');
+
+/*
+ * No.12-4 dbms_stats.lock_table_stats(schemaname, tablename)
+ */
+-- No.12-4-1
+SELECT dbms_stats.lock_table_stats('s0', 'st0');
+
+/*
+ * No.12-5 dbms_stats.lock_column_stats(regclass, attname)
+ */
+-- No.12-5-1
+SELECT dbms_stats.lock_column_stats('s0.st0', 'id');
+-- No.12-5-2
+SELECT dbms_stats.lock_column_stats('st0', 'id');
+-- No.12-5-3
+SELECT dbms_stats.lock_column_stats('s00.s0', 'id');
+
+/*
+ * No.12-6 dbms_stats.lock_column_stats(schemaname, tablename, int2)
+ */
+-- No.12-6-1
+SELECT dbms_stats.lock_column_stats('s0', 'st0', 'id');
+
+/*
+ * Delete Stab function lock
+ */
+DROP FUNCTION dbms_stats.lock(relid regclass);
+ALTER FUNCTION dbms_stats.truth_lock(relid regclass)
+ RENAME TO lock;
+DROP FUNCTION dbms_stats.lock(relid regclass, attname text);
+ALTER FUNCTION dbms_stats.truth_lock(relid regclass, attname text)
+ RENAME TO lock;
+
+/*
+ * No.13-1 dbms_stats.unlock
+ */
+-- No.13-1-1
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT * FROM dbms_stats.backup_history
+ ORDER BY id;
+SELECT count(*) FROM dbms_stats.relation_stats_backup;
+SELECT count(*) FROM dbms_stats.column_stats_backup;
+SELECT dbms_stats.unlock();
+SELECT count(*) FROM dbms_stats._relation_stats_locked;
+SELECT count(*) FROM dbms_stats._column_stats_locked;
+SELECT * FROM dbms_stats.backup_history
+ ORDER BY id;
+SELECT count(*) FROM dbms_stats.relation_stats_backup;
+SELECT count(*) FROM dbms_stats.column_stats_backup;
+
+-- No.13-1-2
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT dbms_stats.unlock();
+SELECT count(*) FROM dbms_stats._relation_stats_locked;
+SELECT count(*) FROM dbms_stats._column_stats_locked;
+
+-- No.13-1-3
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+DELETE FROM dbms_stats._column_stats_locked;
+SELECT dbms_stats.unlock();
+SELECT count(*) FROM dbms_stats._relation_stats_locked;
+SELECT count(*) FROM dbms_stats._column_stats_locked;
+
+-- No.13-1-4
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.unlock();
+SELECT count(*) FROM dbms_stats._relation_stats_locked;
+SELECT count(*) FROM dbms_stats._column_stats_locked;
+
+-- No.13-1-5
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+SELECT dbms_stats.unlock('s0.st0');
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+
+-- No.13-1-6
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+SELECT dbms_stats.unlock('st0');
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+
+-- No.13-1-7
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT count(*) FROM dbms_stats._relation_stats_locked;
+SELECT count(*) FROM dbms_stats._column_stats_locked;
+SELECT dbms_stats.unlock('s00.s0');
+SELECT count(*) FROM dbms_stats._relation_stats_locked;
+SELECT count(*) FROM dbms_stats._column_stats_locked;
+
+-- No.13-1-8
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+SELECT dbms_stats.unlock('s0.st0', 'id');
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+
+-- No.13-1-9
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+SELECT dbms_stats.unlock('s0.st0', 'dummy');
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+
+-- No.13-1-10
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+DELETE FROM dbms_stats._column_stats_locked;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT dbms_stats.unlock('s0.st0', 'id');
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, staattnum FROM dbms_stats._column_stats_locked
+ GROUP BY starelid, staattnum
+ ORDER BY starelid, staattnum;
+
+-- No.13-1-11
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, staattnum FROM dbms_stats._column_stats_locked
+ GROUP BY starelid, staattnum
+ ORDER BY starelid, staattnum;
+SELECT dbms_stats.unlock(NULL, 'id');
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, staattnum FROM dbms_stats._column_stats_locked
+ GROUP BY starelid, staattnum
+ ORDER BY starelid, staattnum;
+
+-- No.13-1-12
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, staattnum FROM dbms_stats._column_stats_locked
+ GROUP BY starelid, staattnum
+ ORDER BY starelid, staattnum;
+SELECT dbms_stats.unlock('s0.st0', NULL);
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, staattnum FROM dbms_stats._column_stats_locked
+ GROUP BY starelid, staattnum
+ ORDER BY starelid, staattnum;
+
+-- No.13-1-13
+DELETE FROM dbms_stats._relation_stats_locked;
+VACUUM dbms_stats._relation_stats_locked; -- in order to avoid auto vacuum
+SELECT dbms_stats.lock_database_stats();
+SELECT count(*) FROM dbms_stats._relation_stats_locked;
+SELECT count(*) FROM dbms_stats._column_stats_locked;
+BEGIN;
+SELECT * FROM internal_locks;
+SELECT dbms_stats.unlock();
+SELECT * FROM internal_locks;
+COMMIT;
+SELECT count(*) FROM dbms_stats._relation_stats_locked;
+SELECT count(*) FROM dbms_stats._column_stats_locked;
+
+/*
+ * No.14-1 dbms_stats.unlock_database_stats
+ */
+-- No.14-1-1
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT * FROM dbms_stats.backup_history
+ ORDER BY id;
+SELECT count(*) FROM dbms_stats.relation_stats_backup;
+SELECT count(*) FROM dbms_stats.column_stats_backup;
+SELECT count(*) FROM dbms_stats._relation_stats_locked;
+SELECT count(*) FROM dbms_stats._column_stats_locked;
+SELECT dbms_stats.unlock_database_stats();
+SELECT count(*) FROM dbms_stats._relation_stats_locked;
+SELECT count(*) FROM dbms_stats._column_stats_locked;
+SELECT * FROM dbms_stats.backup_history
+ ORDER BY id;
+SELECT count(*) FROM dbms_stats.relation_stats_backup;
+SELECT count(*) FROM dbms_stats.column_stats_backup;
+
+-- No.14-1-2
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+DELETE FROM dbms_stats._column_stats_locked;
+SELECT count(*) FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.unlock_database_stats();
+SELECT count(*) FROM dbms_stats._relation_stats_locked;
+SELECT count(*) FROM dbms_stats._column_stats_locked;
+
+-- No.14-1-3
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.unlock_database_stats();
+SELECT count(*) FROM dbms_stats._relation_stats_locked;
+SELECT count(*) FROM dbms_stats._column_stats_locked;
+
+-- No.14-1-4
+DELETE FROM dbms_stats._relation_stats_locked;
+VACUUM dbms_stats._relation_stats_locked; -- in order to avoid auto vacuum
+SELECT dbms_stats.lock_database_stats();
+SELECT count(*) FROM dbms_stats._relation_stats_locked;
+SELECT count(*) FROM dbms_stats._column_stats_locked;
+BEGIN;
+SELECT * FROM internal_locks;
+SELECT dbms_stats.unlock_database_stats();
+SELECT * FROM internal_locks;
+COMMIT;
+SELECT count(*) FROM dbms_stats._relation_stats_locked;
+SELECT count(*) FROM dbms_stats._column_stats_locked;
+
+/*
+ * No.14-2 dbms_stats.unlock_schema_stats
+ */
+-- No.14-2-1
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT * FROM dbms_stats.backup_history
+ ORDER BY id;
+SELECT count(*) FROM dbms_stats.relation_stats_backup;
+SELECT count(*) FROM dbms_stats.column_stats_backup;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+SELECT dbms_stats.unlock_schema_stats('s0');
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+SELECT * FROM dbms_stats.backup_history
+ ORDER BY id;
+SELECT count(*) FROM dbms_stats.relation_stats_backup;
+SELECT count(*) FROM dbms_stats.column_stats_backup;
+
+-- No.14-2-2
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+DELETE FROM dbms_stats._column_stats_locked;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+SELECT dbms_stats.unlock_schema_stats('s0');
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+
+-- No.14-2-3
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+SELECT dbms_stats.unlock_schema_stats('s0');
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+
+-- No.14-2-4
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+SELECT dbms_stats.unlock_schema_stats('s0');
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+
+-- No.14-2-5
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+SELECT dbms_stats.unlock_schema_stats('s00');
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+
+-- No.14-2-6
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+SELECT dbms_stats.unlock_schema_stats('pg_catalog');
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+
+-- No.14-2-7
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+SELECT dbms_stats.unlock_schema_stats(NULL);
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+
+-- No.14-2-8
+DELETE FROM dbms_stats._relation_stats_locked;
+VACUUM dbms_stats._relation_stats_locked; -- in order to avoid auto vacuum
+SELECT dbms_stats.lock_database_stats();
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+BEGIN;
+SELECT * FROM internal_locks;
+SELECT dbms_stats.unlock_schema_stats('s0');
+SELECT * FROM internal_locks;
+COMMIT;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+
+/*
+ * No.14-3 dbms_stats.unlock_table_stats(regclass)
+ */
+-- No.14-3-1
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT * FROM dbms_stats.backup_history
+ ORDER BY id;
+SELECT count(*) FROM dbms_stats.relation_stats_backup;
+SELECT count(*) FROM dbms_stats.column_stats_backup;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+SELECT dbms_stats.unlock_table_stats('s0.st0');
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+SELECT * FROM dbms_stats.backup_history
+ ORDER BY id;
+SELECT count(*) FROM dbms_stats.relation_stats_backup;
+SELECT count(*) FROM dbms_stats.column_stats_backup;
+
+-- No.14-3-2
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+DELETE FROM dbms_stats._column_stats_locked;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+SELECT dbms_stats.unlock_table_stats('s0.st0');
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+
+-- No.14-3-3
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+SELECT dbms_stats.unlock_table_stats('s0.st0');
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+
+-- No.14-3-4
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+SELECT dbms_stats.unlock_table_stats('s0.st0');
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+
+-- No.14-3-5
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+SELECT dbms_stats.unlock_table_stats('st0');
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+
+-- No.14-3-6
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+SELECT dbms_stats.unlock_table_stats('s00.s0');
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+
+-- No.14-3-7
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+SELECT dbms_stats.unlock_table_stats(NULL);
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+
+-- No.14-3-8
+DELETE FROM dbms_stats._relation_stats_locked;
+VACUUM dbms_stats._relation_stats_locked; -- in order to avoid auto vacuum
+SELECT dbms_stats.lock_database_stats();
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+BEGIN;
+SELECT * FROM internal_locks;
+SELECT dbms_stats.unlock_table_stats('s0.st0');
+SELECT * FROM internal_locks;
+COMMIT;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+
+/*
+ * No.14-4 dbms_stats.unlock_table_stats(schemaname, tablename)
+ */
+-- No.14-4-1
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT * FROM dbms_stats.backup_history
+ ORDER BY id;
+SELECT count(*) FROM dbms_stats.relation_stats_backup;
+SELECT count(*) FROM dbms_stats.column_stats_backup;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+SELECT dbms_stats.unlock_table_stats('s0','st0');
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+SELECT * FROM dbms_stats.backup_history
+ ORDER BY id;
+SELECT count(*) FROM dbms_stats.relation_stats_backup;
+SELECT count(*) FROM dbms_stats.column_stats_backup;
+
+-- No.14-4-2
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+DELETE FROM dbms_stats._column_stats_locked;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+SELECT dbms_stats.unlock_table_stats('s0', 'st0');
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+
+-- No.14-4-3
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+SELECT dbms_stats.unlock_table_stats('s0', 'st0');
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+
+-- No.14-4-4
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+SELECT dbms_stats.unlock_table_stats('s0', 'st0');
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+
+-- No.14-4-5
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+SELECT dbms_stats.unlock_table_stats('s00', 's0');
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+
+-- No.14-4-6
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+SELECT dbms_stats.unlock_table_stats(NULL, 'st0');
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+
+-- No.14-4-7
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+SELECT dbms_stats.unlock_table_stats('s0', NULL);
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+
+-- No.14-4-8
+DELETE FROM dbms_stats._relation_stats_locked;
+VACUUM dbms_stats._relation_stats_locked; -- in order to avoid auto vacuum
+SELECT dbms_stats.lock_database_stats();
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+BEGIN;
+SELECT * FROM internal_locks;
+SELECT dbms_stats.unlock_table_stats('s0', 'st0');
+SELECT * FROM internal_locks;
+COMMIT;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid::regclass, count(*) FROM dbms_stats._column_stats_locked
+ GROUP BY starelid
+ ORDER BY starelid;
+
+/*
+ * No.14-5 dbms_stats.unlock_column_stats(regclass, attname)
+ */
+-- No.14-5-1
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT * FROM dbms_stats.backup_history
+ ORDER BY id;
+SELECT count(*) FROM dbms_stats.relation_stats_backup;
+SELECT count(*) FROM dbms_stats.column_stats_backup;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+SELECT dbms_stats.unlock_column_stats('s0.st0', 'id');
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT * FROM dbms_stats.backup_history
+ ORDER BY id;
+SELECT count(*) FROM dbms_stats.relation_stats_backup;
+SELECT count(*) FROM dbms_stats.column_stats_backup;
+
+-- No.14-5-2
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+DELETE FROM dbms_stats._column_stats_locked;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT dbms_stats.unlock_column_stats('s0.st0', 'id');
+SELECT count(*) FROM dbms_stats.column_stats_locked;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+
+-- No.14-5-3
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+SELECT dbms_stats.unlock_column_stats('s0.st0', 'id');
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+
+-- No.14-5-4
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+SELECT dbms_stats.unlock_column_stats('st0', 'id');
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+
+-- No.14-5-5
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+SELECT dbms_stats.unlock_column_stats('s0.st0', 'dummy');
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+
+-- No.14-5-6
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+SELECT dbms_stats.unlock_column_stats('s00.s0', 'id');
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+
+-- No.14-5-7
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+SELECT dbms_stats.unlock_column_stats(NULL, 'id');
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+
+-- No.14-5-8
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+SELECT dbms_stats.unlock_column_stats('s0.st0', NULL);
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+
+-- No.14-5-9
+DELETE FROM dbms_stats._relation_stats_locked;
+VACUUM dbms_stats._relation_stats_locked; -- in order to avoid auto vacuum
+SELECT dbms_stats.lock_database_stats();
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+BEGIN;
+SELECT * FROM internal_locks;
+SELECT dbms_stats.unlock_column_stats('s0.st0', 'id');
+SELECT * FROM internal_locks;
+COMMIT;
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+
+/*
+ * No.14-6 dbms_stats.unlock_column_stats(schemaname, tablename, attname)
+ */
+-- No.14-6-1
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT * FROM dbms_stats.backup_history
+ ORDER BY id;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+SELECT dbms_stats.unlock_column_stats('s0', 'st0', 'id');
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT * FROM dbms_stats.backup_history
+ ORDER BY id;
+SELECT count(*) FROM dbms_stats.relation_stats_backup;
+SELECT count(*) FROM dbms_stats.column_stats_backup;
+
+-- No.14-6-2
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+DELETE FROM dbms_stats._column_stats_locked;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT dbms_stats.unlock_column_stats('s0', 'st0', 'id');
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+
+-- No.14-6-3
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+SELECT dbms_stats.unlock_column_stats('s0', 'st0', 'id');
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+
+-- No.14-6-4
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+SELECT dbms_stats.unlock_column_stats('s0', 'st0', 'dummy');
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+
+-- No.14-6-5
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+SELECT dbms_stats.unlock_column_stats(NULL, 'st0', 'id');
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+
+-- No.14-6-6
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+SELECT dbms_stats.unlock_column_stats('s0', NULL, 'id');
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+
+-- No.14-6-7
+DELETE FROM dbms_stats._relation_stats_locked;
+SELECT dbms_stats.lock_database_stats();
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+SELECT dbms_stats.unlock_column_stats('s0', 'st0', NULL);
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+
+-- No.14-6-8
+DELETE FROM dbms_stats._relation_stats_locked;
+VACUUM dbms_stats._relation_stats_locked; -- in order to avoid auto vacuum
+SELECT dbms_stats.lock_database_stats();
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+BEGIN;
+SELECT * FROM internal_locks;
+SELECT dbms_stats.unlock_column_stats('s0', 'st0', 'id');
+SELECT * FROM internal_locks;
+COMMIT;
+SELECT starelid, attname, stainherit FROM columns_locked_v c;
+SELECT relid::regclass FROM dbms_stats._relation_stats_locked
+ GROUP BY relid
+ ORDER BY relid;
OSDN Git Service
