-<!-- $PostgreSQL: pgsql/doc/src/sgml/monitoring.sgml,v 1.31 2006/03/10 19:10:48 momjian Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/monitoring.sgml,v 1.32 2006/05/19 19:08:26 alvherre Exp $ -->
<chapter id="monitoring">
<title>Monitoring Database Activity</title>
<row>
<entry><structname>pg_stat_all_tables</></entry>
<entry>For each table in the current database (including TOAST tables),
- the table OID, schema and table name, number of sequential
+ the table OID, schema and table name, the last time the table was
+ vacuumed by the user and the autovacuum daemon, the last time the table
+ was analyzed by the user and the autovacuum daemon, number of sequential
scans initiated, number of live rows fetched by sequential
scans, number of index scans initiated (over all indexes
belonging to the table), number of live rows fetched by index
</row>
<row>
+ <entry><literal><function>pg_stat_get_last_vacuum_time</function>(<type>oid</type>)</literal></entry>
+ <entry><type>timestamptz</type></entry>
+ <entry>
+ Time of the last vacuum initiated by the user
+ </entry>
+ </row>
+
+ <row>
+ <entry><literal><function>pg_stat_get_last_autovacuum_time</function>(<type>oid</type>)</literal></entry>
+ <entry><type>timestamptz</type></entry>
+ <entry>
+ Time of the last vacuum initiated by the autovacuum daemon
+ </entry>
+ </row>
+
+ <row>
+ <entry><literal><function>pg_stat_get_last_analyze_time</function>(<type>oid</type>)</literal></entry>
+ <entry><type>timestamptz</type></entry>
+ <entry>
+ Time of the last analyze initiated by the user
+ </entry>
+ </row>
+
+ <row>
+ <entry><literal><function>pg_stat_get_last_autoanalyze_time</function>(<type>oid</type>)</literal></entry>
+ <entry><type>timestamptz</type></entry>
+ <entry>
+ Time of the last analyze initiated by the autovacuum daemon
+ </entry>
+ </row>
+
+ <row>
<entry><literal><function>pg_stat_get_backend_idset</function>()</literal></entry>
<entry><type>setof integer</type></entry>
<entry>
*
* Copyright (c) 1996-2006, PostgreSQL Global Development Group
*
- * $PostgreSQL: pgsql/src/backend/catalog/system_views.sql,v 1.26 2006/03/05 15:58:23 momjian Exp $
+ * $PostgreSQL: pgsql/src/backend/catalog/system_views.sql,v 1.27 2006/05/19 19:08:26 alvherre Exp $
*/
CREATE VIEW pg_roles AS
C.oid AS relid,
N.nspname AS schemaname,
C.relname AS relname,
+ pg_stat_get_last_vacuum_time(C.oid) as last_vacuum,
+ pg_stat_get_last_autovacuum_time(C.oid) as last_autovacuum,
+ pg_stat_get_last_analyze_time(C.oid) as last_analyze,
+ pg_stat_get_last_autoanalyze_time(C.oid) as last_autoanalyze,
pg_stat_get_numscans(C.oid) AS seq_scan,
pg_stat_get_tuples_returned(C.oid) AS seq_tup_read,
sum(pg_stat_get_numscans(I.indexrelid))::bigint AS idx_scan,
*
* Copyright (c) 2001-2006, PostgreSQL Global Development Group
*
- * $PostgreSQL: pgsql/src/backend/postmaster/pgstat.c,v 1.125 2006/05/19 15:15:37 alvherre Exp $
+ * $PostgreSQL: pgsql/src/backend/postmaster/pgstat.c,v 1.126 2006/05/19 19:08:26 alvherre Exp $
* ----------
*/
#include "postgres.h"
msg.m_databaseid = shared ? InvalidOid : MyDatabaseId;
msg.m_tableoid = tableoid;
msg.m_analyze = analyze;
+ msg.m_autovacuum = IsAutoVacuumProcess(); /* is this autovacuum? */
+ msg.m_vacuumtime = GetCurrentTimestamp();
msg.m_tuples = tuples;
pgstat_send(&msg, sizeof(msg));
}
pgstat_setheader(&msg.m_hdr, PGSTAT_MTYPE_ANALYZE);
msg.m_databaseid = shared ? InvalidOid : MyDatabaseId;
msg.m_tableoid = tableoid;
+ msg.m_autovacuum = IsAutoVacuumProcess(); /* is this autovacuum? */
+ msg.m_analyzetime = GetCurrentTimestamp();
msg.m_live_tuples = livetuples;
msg.m_dead_tuples = deadtuples;
pgstat_send(&msg, sizeof(msg));
if (tabentry == NULL)
return;
+ if (msg->m_autovacuum)
+ tabentry->autovac_vacuum_timestamp = msg->m_vacuumtime;
+ else
+ tabentry->vacuum_timestamp = msg->m_vacuumtime;
tabentry->n_live_tuples = msg->m_tuples;
tabentry->n_dead_tuples = 0;
if (msg->m_analyze)
+ {
tabentry->last_anl_tuples = msg->m_tuples;
+ if (msg->m_autovacuum)
+ tabentry->autovac_analyze_timestamp = msg->m_vacuumtime;
+ else
+ tabentry->analyze_timestamp = msg->m_vacuumtime;
+ }
}
/* ----------
if (tabentry == NULL)
return;
+ if (msg->m_autovacuum)
+ tabentry->autovac_analyze_timestamp = msg->m_analyzetime;
+ else
+ tabentry->analyze_timestamp = msg->m_analyzetime;
tabentry->n_live_tuples = msg->m_live_tuples;
tabentry->n_dead_tuples = msg->m_dead_tuples;
tabentry->last_anl_tuples = msg->m_live_tuples + msg->m_dead_tuples;
tabentry->n_dead_tuples = tabmsg[i].t_tuples_updated +
tabmsg[i].t_tuples_deleted;
tabentry->last_anl_tuples = 0;
+ tabentry->vacuum_timestamp = 0;
+ tabentry->autovac_vacuum_timestamp = 0;
+ tabentry->analyze_timestamp = 0;
+ tabentry->autovac_analyze_timestamp = 0;
tabentry->blocks_fetched = tabmsg[i].t_blocks_fetched;
tabentry->blocks_hit = tabmsg[i].t_blocks_hit;
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/utils/adt/pgstatfuncs.c,v 1.28 2006/05/19 15:15:37 alvherre Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/adt/pgstatfuncs.c,v 1.29 2006/05/19 19:08:26 alvherre Exp $
*
*-------------------------------------------------------------------------
*/
extern Datum pg_stat_get_tuples_deleted(PG_FUNCTION_ARGS);
extern Datum pg_stat_get_blocks_fetched(PG_FUNCTION_ARGS);
extern Datum pg_stat_get_blocks_hit(PG_FUNCTION_ARGS);
+extern Datum pg_stat_get_last_vacuum_time(PG_FUNCTION_ARGS);
+extern Datum pg_stat_get_last_autovacuum_time(PG_FUNCTION_ARGS);
+extern Datum pg_stat_get_last_analyze_time(PG_FUNCTION_ARGS);
+extern Datum pg_stat_get_last_autoanalyze_time(PG_FUNCTION_ARGS);
extern Datum pg_stat_get_backend_idset(PG_FUNCTION_ARGS);
extern Datum pg_backend_pid(PG_FUNCTION_ARGS);
PG_RETURN_INT64(result);
}
+Datum
+pg_stat_get_last_vacuum_time(PG_FUNCTION_ARGS)
+{
+ PgStat_StatTabEntry *tabentry;
+ Oid relid;
+ TimestampTz result;
+
+ relid = PG_GETARG_OID(0);
+
+ if ((tabentry = pgstat_fetch_stat_tabentry(relid)) == NULL)
+ result = 0;
+ else
+ result = tabentry->vacuum_timestamp;
+
+ if (result == 0)
+ PG_RETURN_NULL();
+ else
+ PG_RETURN_TIMESTAMPTZ(result);
+}
+
+Datum
+pg_stat_get_last_autovacuum_time(PG_FUNCTION_ARGS)
+{
+ PgStat_StatTabEntry *tabentry;
+ Oid relid;
+ TimestampTz result;
+
+ relid = PG_GETARG_OID(0);
+
+ if ((tabentry = pgstat_fetch_stat_tabentry(relid)) == NULL)
+ result = 0;
+ else
+ result = tabentry->autovac_vacuum_timestamp;
+
+ if (result == 0)
+ PG_RETURN_NULL();
+ else
+ PG_RETURN_TIMESTAMPTZ(result);
+}
+
+Datum
+pg_stat_get_last_analyze_time(PG_FUNCTION_ARGS)
+{
+ PgStat_StatTabEntry *tabentry;
+ Oid relid;
+ TimestampTz result;
+
+ relid = PG_GETARG_OID(0);
+
+ if ((tabentry = pgstat_fetch_stat_tabentry(relid)) == NULL)
+ result = 0;
+ else
+ result = tabentry->analyze_timestamp;
+
+ if (result == 0)
+ PG_RETURN_NULL();
+ else
+ PG_RETURN_TIMESTAMPTZ(result);
+}
+
+Datum
+pg_stat_get_last_autoanalyze_time(PG_FUNCTION_ARGS)
+{
+ PgStat_StatTabEntry *tabentry;
+ Oid relid;
+ TimestampTz result;
+
+ relid = PG_GETARG_OID(0);
+
+ if ((tabentry = pgstat_fetch_stat_tabentry(relid)) == NULL)
+ result = 0;
+ else
+ result = tabentry->autovac_analyze_timestamp;
+
+ if (result == 0)
+ PG_RETURN_NULL();
+ else
+ PG_RETURN_TIMESTAMPTZ(result);
+}
Datum
pg_stat_get_backend_idset(PG_FUNCTION_ARGS)
* Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $PostgreSQL: pgsql/src/include/catalog/catversion.h,v 1.332 2006/05/17 16:37:06 teodor Exp $
+ * $PostgreSQL: pgsql/src/include/catalog/catversion.h,v 1.333 2006/05/19 19:08:26 alvherre Exp $
*
*-------------------------------------------------------------------------
*/
*/
/* yyyymmddN */
-#define CATALOG_VERSION_NO 200605171
+#define CATALOG_VERSION_NO 200605191
#endif
* Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $PostgreSQL: pgsql/src/include/catalog/pg_proc.h,v 1.411 2006/05/10 23:18:39 tgl Exp $
+ * $PostgreSQL: pgsql/src/include/catalog/pg_proc.h,v 1.412 2006/05/19 19:08:26 alvherre Exp $
*
* NOTES
* The script catalog/genbki.sh reads this file and generates .bki
DESCR("Statistics: Number of blocks fetched");
DATA(insert OID = 1935 ( pg_stat_get_blocks_hit PGNSP PGUID 12 f f t f s 1 20 "26" _null_ _null_ _null_ pg_stat_get_blocks_hit - _null_ ));
DESCR("Statistics: Number of blocks found in cache");
+DATA(insert OID = 2781 ( pg_stat_get_last_vacuum_time PGNSP PGUID 12 f f t f s 1 1184 "26" _null_ _null_ _null_ pg_stat_get_last_vacuum_time - _null_));
+DESCR("Statistics: Last manual vacuum time for a table");
+DATA(insert OID = 2782 ( pg_stat_get_last_autovacuum_time PGNSP PGUID 12 f f t f s 1 1184 "26" _null_ _null_ _null_ pg_stat_get_last_autovacuum_time - _null_));
+DESCR("Statistics: Last auto vacuum time for a table");
+DATA(insert OID = 2783 ( pg_stat_get_last_analyze_time PGNSP PGUID 12 f f t f s 1 1184 "26" _null_ _null_ _null_ pg_stat_get_last_analyze_time - _null_));
+DESCR("Statistics: Last manual analyze time for a table");
+DATA(insert OID = 2784 ( pg_stat_get_last_autoanalyze_time PGNSP PGUID 12 f f t f s 1 1184 "26" _null_ _null_ _null_ pg_stat_get_last_autoanalyze_time - _null_));
+DESCR("Statistics: Last auto analyze time for a table");
DATA(insert OID = 1936 ( pg_stat_get_backend_idset PGNSP PGUID 12 f f t t s 0 23 "" _null_ _null_ _null_ pg_stat_get_backend_idset - _null_ ));
DESCR("Statistics: Currently active backend IDs");
DATA(insert OID = 2026 ( pg_backend_pid PGNSP PGUID 12 f f t f s 0 23 "" _null_ _null_ _null_ pg_backend_pid - _null_ ));
*
* Copyright (c) 2001-2006, PostgreSQL Global Development Group
*
- * $PostgreSQL: pgsql/src/include/pgstat.h,v 1.44 2006/04/27 00:06:59 momjian Exp $
+ * $PostgreSQL: pgsql/src/include/pgstat.h,v 1.45 2006/05/19 19:08:26 alvherre Exp $
* ----------
*/
#ifndef PGSTAT_H
Oid m_databaseid;
Oid m_tableoid;
bool m_analyze;
+ bool m_autovacuum;
+ TimestampTz m_vacuumtime;
PgStat_Counter m_tuples;
} PgStat_MsgVacuum;
PgStat_MsgHdr m_hdr;
Oid m_databaseid;
Oid m_tableoid;
+ bool m_autovacuum;
+ TimestampTz m_analyzetime;
PgStat_Counter m_live_tuples;
PgStat_Counter m_dead_tuples;
} PgStat_MsgAnalyze;
typedef struct PgStat_StatTabEntry
{
Oid tableid;
+ TimestampTz vacuum_timestamp; /* user initiated vacuum */
+ TimestampTz autovac_vacuum_timestamp; /* autovacuum initiated */
+ TimestampTz analyze_timestamp; /* user initiated */
+ TimestampTz autovac_analyze_timestamp; /* autovacuum initiated */
PgStat_Counter numscans;
pg_shadow | SELECT pg_authid.rolname AS usename, pg_authid.oid AS usesysid, pg_authid.rolcreatedb AS usecreatedb, pg_authid.rolsuper AS usesuper, pg_authid.rolcatupdate AS usecatupd, pg_authid.rolpassword AS passwd, (pg_authid.rolvaliduntil)::abstime AS valuntil, pg_authid.rolconfig AS useconfig FROM pg_authid WHERE pg_authid.rolcanlogin;
pg_stat_activity | SELECT d.oid AS datid, d.datname, pg_stat_get_backend_pid(s.backendid) AS procpid, pg_stat_get_backend_userid(s.backendid) AS usesysid, u.rolname AS usename, pg_stat_get_backend_activity(s.backendid) AS current_query, pg_stat_get_backend_activity_start(s.backendid) AS query_start, pg_stat_get_backend_start(s.backendid) AS backend_start, pg_stat_get_backend_client_addr(s.backendid) AS client_addr, pg_stat_get_backend_client_port(s.backendid) AS client_port FROM pg_database d, (SELECT pg_stat_get_backend_idset() AS backendid) s, pg_authid u WHERE ((pg_stat_get_backend_dbid(s.backendid) = d.oid) AND (pg_stat_get_backend_userid(s.backendid) = u.oid));
pg_stat_all_indexes | SELECT c.oid AS relid, i.oid AS indexrelid, n.nspname AS schemaname, c.relname, i.relname AS indexrelname, pg_stat_get_numscans(i.oid) AS idx_scan, pg_stat_get_tuples_returned(i.oid) AS idx_tup_read, pg_stat_get_tuples_fetched(i.oid) AS idx_tup_fetch FROM (((pg_class c JOIN pg_index x ON ((c.oid = x.indrelid))) JOIN pg_class i ON ((i.oid = x.indexrelid))) LEFT JOIN pg_namespace n ON ((n.oid = c.relnamespace))) WHERE (c.relkind = ANY (ARRAY['r'::"char", 't'::"char"]));
- pg_stat_all_tables | SELECT c.oid AS relid, n.nspname AS schemaname, c.relname, pg_stat_get_numscans(c.oid) AS seq_scan, pg_stat_get_tuples_returned(c.oid) AS seq_tup_read, (sum(pg_stat_get_numscans(i.indexrelid)))::bigint AS idx_scan, ((sum(pg_stat_get_tuples_fetched(i.indexrelid)))::bigint + pg_stat_get_tuples_fetched(c.oid)) AS idx_tup_fetch, pg_stat_get_tuples_inserted(c.oid) AS n_tup_ins, pg_stat_get_tuples_updated(c.oid) AS n_tup_upd, pg_stat_get_tuples_deleted(c.oid) AS n_tup_del FROM ((pg_class c LEFT JOIN pg_index i ON ((c.oid = i.indrelid))) LEFT JOIN pg_namespace n ON ((n.oid = c.relnamespace))) WHERE (c.relkind = ANY (ARRAY['r'::"char", 't'::"char"])) GROUP BY c.oid, n.nspname, c.relname;
+ pg_stat_all_tables | SELECT c.oid AS relid, n.nspname AS schemaname, c.relname, pg_stat_get_last_vacuum_time(c.oid) AS last_vacuum, pg_stat_get_last_autovacuum_time(c.oid) AS last_autovacuum, pg_stat_get_last_analyze_time(c.oid) AS last_analyze, pg_stat_get_last_autoanalyze_time(c.oid) AS last_autoanalyze, pg_stat_get_numscans(c.oid) AS seq_scan, pg_stat_get_tuples_returned(c.oid) AS seq_tup_read, (sum(pg_stat_get_numscans(i.indexrelid)))::bigint AS idx_scan, ((sum(pg_stat_get_tuples_fetched(i.indexrelid)))::bigint + pg_stat_get_tuples_fetched(c.oid)) AS idx_tup_fetch, pg_stat_get_tuples_inserted(c.oid) AS n_tup_ins, pg_stat_get_tuples_updated(c.oid) AS n_tup_upd, pg_stat_get_tuples_deleted(c.oid) AS n_tup_del FROM ((pg_class c LEFT JOIN pg_index i ON ((c.oid = i.indrelid))) LEFT JOIN pg_namespace n ON ((n.oid = c.relnamespace))) WHERE (c.relkind = ANY (ARRAY['r'::"char", 't'::"char"])) GROUP BY c.oid, n.nspname, c.relname;
pg_stat_database | SELECT d.oid AS datid, d.datname, pg_stat_get_db_numbackends(d.oid) AS numbackends, pg_stat_get_db_xact_commit(d.oid) AS xact_commit, pg_stat_get_db_xact_rollback(d.oid) AS xact_rollback, (pg_stat_get_db_blocks_fetched(d.oid) - pg_stat_get_db_blocks_hit(d.oid)) AS blks_read, pg_stat_get_db_blocks_hit(d.oid) AS blks_hit FROM pg_database d;
pg_stat_sys_indexes | SELECT pg_stat_all_indexes.relid, pg_stat_all_indexes.indexrelid, pg_stat_all_indexes.schemaname, pg_stat_all_indexes.relname, pg_stat_all_indexes.indexrelname, pg_stat_all_indexes.idx_scan, pg_stat_all_indexes.idx_tup_read, pg_stat_all_indexes.idx_tup_fetch FROM pg_stat_all_indexes WHERE (pg_stat_all_indexes.schemaname = ANY (ARRAY['pg_catalog'::name, 'pg_toast'::name, 'information_schema'::name]));
- pg_stat_sys_tables | SELECT pg_stat_all_tables.relid, pg_stat_all_tables.schemaname, pg_stat_all_tables.relname, pg_stat_all_tables.seq_scan, pg_stat_all_tables.seq_tup_read, pg_stat_all_tables.idx_scan, pg_stat_all_tables.idx_tup_fetch, pg_stat_all_tables.n_tup_ins, pg_stat_all_tables.n_tup_upd, pg_stat_all_tables.n_tup_del FROM pg_stat_all_tables WHERE (pg_stat_all_tables.schemaname = ANY (ARRAY['pg_catalog'::name, 'pg_toast'::name, 'information_schema'::name]));
+ pg_stat_sys_tables | SELECT pg_stat_all_tables.relid, pg_stat_all_tables.schemaname, pg_stat_all_tables.relname, pg_stat_all_tables.last_vacuum, pg_stat_all_tables.last_autovacuum, pg_stat_all_tables.last_analyze, pg_stat_all_tables.last_autoanalyze, pg_stat_all_tables.seq_scan, pg_stat_all_tables.seq_tup_read, pg_stat_all_tables.idx_scan, pg_stat_all_tables.idx_tup_fetch, pg_stat_all_tables.n_tup_ins, pg_stat_all_tables.n_tup_upd, pg_stat_all_tables.n_tup_del FROM pg_stat_all_tables WHERE (pg_stat_all_tables.schemaname = ANY (ARRAY['pg_catalog'::name, 'pg_toast'::name, 'information_schema'::name]));
pg_stat_user_indexes | SELECT pg_stat_all_indexes.relid, pg_stat_all_indexes.indexrelid, pg_stat_all_indexes.schemaname, pg_stat_all_indexes.relname, pg_stat_all_indexes.indexrelname, pg_stat_all_indexes.idx_scan, pg_stat_all_indexes.idx_tup_read, pg_stat_all_indexes.idx_tup_fetch FROM pg_stat_all_indexes WHERE (pg_stat_all_indexes.schemaname <> ALL (ARRAY['pg_catalog'::name, 'pg_toast'::name, 'information_schema'::name]));
- pg_stat_user_tables | SELECT pg_stat_all_tables.relid, pg_stat_all_tables.schemaname, pg_stat_all_tables.relname, pg_stat_all_tables.seq_scan, pg_stat_all_tables.seq_tup_read, pg_stat_all_tables.idx_scan, pg_stat_all_tables.idx_tup_fetch, pg_stat_all_tables.n_tup_ins, pg_stat_all_tables.n_tup_upd, pg_stat_all_tables.n_tup_del FROM pg_stat_all_tables WHERE (pg_stat_all_tables.schemaname <> ALL (ARRAY['pg_catalog'::name, 'pg_toast'::name, 'information_schema'::name]));
+ pg_stat_user_tables | SELECT pg_stat_all_tables.relid, pg_stat_all_tables.schemaname, pg_stat_all_tables.relname, pg_stat_all_tables.last_vacuum, pg_stat_all_tables.last_autovacuum, pg_stat_all_tables.last_analyze, pg_stat_all_tables.last_autoanalyze, pg_stat_all_tables.seq_scan, pg_stat_all_tables.seq_tup_read, pg_stat_all_tables.idx_scan, pg_stat_all_tables.idx_tup_fetch, pg_stat_all_tables.n_tup_ins, pg_stat_all_tables.n_tup_upd, pg_stat_all_tables.n_tup_del FROM pg_stat_all_tables WHERE (pg_stat_all_tables.schemaname <> ALL (ARRAY['pg_catalog'::name, 'pg_toast'::name, 'information_schema'::name]));
pg_statio_all_indexes | SELECT c.oid AS relid, i.oid AS indexrelid, n.nspname AS schemaname, c.relname, i.relname AS indexrelname, (pg_stat_get_blocks_fetched(i.oid) - pg_stat_get_blocks_hit(i.oid)) AS idx_blks_read, pg_stat_get_blocks_hit(i.oid) AS idx_blks_hit FROM (((pg_class c JOIN pg_index x ON ((c.oid = x.indrelid))) JOIN pg_class i ON ((i.oid = x.indexrelid))) LEFT JOIN pg_namespace n ON ((n.oid = c.relnamespace))) WHERE (c.relkind = ANY (ARRAY['r'::"char", 't'::"char"]));
pg_statio_all_sequences | SELECT c.oid AS relid, n.nspname AS schemaname, c.relname, (pg_stat_get_blocks_fetched(c.oid) - pg_stat_get_blocks_hit(c.oid)) AS blks_read, pg_stat_get_blocks_hit(c.oid) AS blks_hit FROM (pg_class c LEFT JOIN pg_namespace n ON ((n.oid = c.relnamespace))) WHERE (c.relkind = 'S'::"char");
pg_statio_all_tables | SELECT c.oid AS relid, n.nspname AS schemaname, c.relname, (pg_stat_get_blocks_fetched(c.oid) - pg_stat_get_blocks_hit(c.oid)) AS heap_blks_read, pg_stat_get_blocks_hit(c.oid) AS heap_blks_hit, (sum((pg_stat_get_blocks_fetched(i.indexrelid) - pg_stat_get_blocks_hit(i.indexrelid))))::bigint AS idx_blks_read, (sum(pg_stat_get_blocks_hit(i.indexrelid)))::bigint AS idx_blks_hit, (pg_stat_get_blocks_fetched(t.oid) - pg_stat_get_blocks_hit(t.oid)) AS toast_blks_read, pg_stat_get_blocks_hit(t.oid) AS toast_blks_hit, (pg_stat_get_blocks_fetched(x.oid) - pg_stat_get_blocks_hit(x.oid)) AS tidx_blks_read, pg_stat_get_blocks_hit(x.oid) AS tidx_blks_hit FROM ((((pg_class c LEFT JOIN pg_index i ON ((c.oid = i.indrelid))) LEFT JOIN pg_class t ON ((c.reltoastrelid = t.oid))) LEFT JOIN pg_class x ON ((t.reltoastidxid = x.oid))) LEFT JOIN pg_namespace n ON ((n.oid = c.relnamespace))) WHERE (c.relkind = ANY (ARRAY['r'::"char", 't'::"char"])) GROUP BY c.oid, n.nspname, c.relname, t.oid, x.oid;
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