2 * No.1-1 CREATE EXTENSION
5 CREATE EXTENSION pg_dbms_stats;
7 DROP EXTENSION pg_dbms_stats;
8 CREATE EXTENSION pg_dbms_stats;
9 -- create no superuser and superuser
10 SET client_min_messages = warning;
11 DROP ROLE IF EXISTS regular_user;
12 CREATE ROLE regular_user LOGIN;
13 SET client_min_messages = fatal;
14 DROP ROLE IF EXISTS super_user;
15 CREATE ROLE super_user SUPERUSER CREATEDB CREATEROLE INHERIT LOGIN;
17 CREATE TABLE pt0(id integer, day date) WITH (autovacuum_enabled = 'false');
18 CREATE INDEX pt0_idx ON pt0(id);
19 CREATE TABLE st0(id integer, name char(5)) WITH (autovacuum_enabled = 'false');
20 CREATE INDEX st0_idx ON st0(id);
21 CREATE TABLE st1(val integer, str text) WITH (autovacuum_enabled = 'false');
23 CREATE TABLE s0.st0(id integer, num integer) WITH (autovacuum_enabled = 'false');
24 CREATE INDEX st0_idx ON s0.st0(id);
25 CREATE TABLE s0.st1() INHERITS(s0.st0) WITH (autovacuum_enabled = 'false');
26 CREATE INDEX st1_idx ON s0.st1(id);
27 CREATE TABLE s0.st2(id integer, txt text) WITH (autovacuum_enabled = 'false');
28 CREATE INDEX st2_idx ON s0.st2(id);
30 SELECT st0.id, st0.num, st2.txt
31 FROM s0.st0 st0, s0.st2 st2
32 WHERE st0.id = st2.id;
33 CREATE TYPE s0.sc0 AS (num integer, txt text);
34 CREATE SEQUENCE s0.ss0 START 1;
36 CREATE TABLE s1.st0(id integer, num integer) WITH (autovacuum_enabled = 'false');
38 GRANT USAGE ON SCHEMA s0 TO regular_user;
39 GRANT SELECT ON TABLE s0.st2 TO regular_user;
40 CREATE TYPE complex AS (
44 -- updating relation_stats_locked leads to merged stats caches
45 -- See StatsCacheRelCallback() in pg_dbms_stats.c for details.
46 CREATE FUNCTION load_merged_stats() RETURNS void AS $$
47 UPDATE dbms_stats.relation_stats_locked SET relpages = relpages;
50 CREATE FUNCTION inform(VARIADIC arr text[]) RETURNS int AS $$
52 str text := 'arguments are ';
55 FOR count IN SELECT i FROM generate_subscripts($1, 1) g(i) LOOP
59 IF $1[count] IS NULL THEN
60 str := str || '<NULL>';
62 str := str || $1[count];
65 RAISE NOTICE '%', str;
69 -- Table or index fetches will take place if stats merge performed.
70 CREATE VIEW lockd_io AS
72 heap_blks_read + heap_blks_hit +
73 idx_blks_read + idx_blks_hit > 0 fetches
74 FROM pg_statio_user_tables
75 WHERE schemaname = 'dbms_stats'
76 AND relname LIKE '%\_stats_locked'
78 CREATE VIEW internal_locks AS
79 SELECT relation::regclass, mode
81 WHERE relation::regclass::text LIKE 'dbms_stats.%\_locked'
82 OR relation::regclass::text LIKE 'dbms_stats.backup_history'
83 OR relation::regclass::text LIKE 'dbms_stats.%\_backup'
84 ORDER BY relation::regclass::text, mode;
86 INSERT INTO st0 VALUES (1, 'test'), (2, 'test');
87 INSERT INTO st1 SELECT i % 3, i % 3 FROM generate_series(1, 10000) t(i);
88 INSERT INTO s0.st0 VALUES (1, 10), (2, 20);
89 INSERT INTO s0.st1 VALUES (4, 40), (5, 50), (6, 60);
90 INSERT INTO s0.st2 VALUES (1, '1'), (2, 'test'), (3, 'comment');
91 INSERT INTO s1.st0 VALUES (1, 15), (2, 25), (3, 35), (4, 45);
92 CREATE INDEX st1_idx ON st1 (val);
93 CREATE INDEX st1_exp ON st1 (lower(str));