Add last-vacuum/analyze-time columns to the stats collector, both manual and

issued by autovacuum.  Add accessor functions to them, and use those in the
pg_stat_*_tables system views.

Catalog version bumped due to changes in the pgstat views and the pgstat file.

Patch from Larry Rosenman, minor improvements by me.

7 files changed, 135 insertions, 10 deletions

diff --git a/src/backend/catalog/system_views.sql b/src/backend/catalog/system_views.sql
index 907a2549496..eba31082bc2 100644
--- a/src/backend/catalog/system_views.sql
+++ b/src/backend/catalog/system_views.sql
@@ -3,7 +3,7 @@
  *
  * 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 
@@ -193,6 +193,10 @@ CREATE VIEW pg_stat_all_tables 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, 
diff --git a/src/backend/postmaster/pgstat.c b/src/backend/postmaster/pgstat.c
index c10850a7c1f..a15f6cb6f2e 100644
--- a/src/backend/postmaster/pgstat.c
+++ b/src/backend/postmaster/pgstat.c
@@ -13,7 +13,7 @@
  *
  *	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"
@@ -739,6 +739,8 @@ pgstat_report_vacuum(Oid tableoid, bool shared,
 	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));
 }
@@ -762,6 +764,8 @@ pgstat_report_analyze(Oid tableoid, bool shared, PgStat_Counter livetuples,
 	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));
@@ -2887,10 +2891,20 @@ pgstat_recv_vacuum(PgStat_MsgVacuum *msg, int len)
 	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;
+	}
 }
 
 /* ----------
@@ -2919,6 +2933,10 @@ pgstat_recv_analyze(PgStat_MsgAnalyze *msg, int len)
 	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;
@@ -3005,6 +3023,10 @@ pgstat_recv_tabstat(PgStat_MsgTabstat *msg, int len)
 			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;
diff --git a/src/backend/utils/adt/pgstatfuncs.c b/src/backend/utils/adt/pgstatfuncs.c
index 362aa1d08ef..eaf379389e4 100644
--- a/src/backend/utils/adt/pgstatfuncs.c
+++ b/src/backend/utils/adt/pgstatfuncs.c
@@ -8,7 +8,7 @@
  *
  *
  * 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 $
  *
  *-------------------------------------------------------------------------
  */
@@ -34,6 +34,10 @@ extern Datum pg_stat_get_tuples_updated(PG_FUNCTION_ARGS);
 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);
@@ -197,6 +201,85 @@ pg_stat_get_blocks_hit(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)
diff --git a/src/include/catalog/catversion.h b/src/include/catalog/catversion.h
index 9e0d9997a9a..17ce73d015f 100644
--- a/src/include/catalog/catversion.h
+++ b/src/include/catalog/catversion.h
@@ -37,7 +37,7 @@
  * 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 $
  *
  *-------------------------------------------------------------------------
  */
@@ -53,6 +53,6 @@
  */
 
 /*							yyyymmddN */
-#define CATALOG_VERSION_NO	200605171
+#define CATALOG_VERSION_NO	200605191
 
 #endif
diff --git a/src/include/catalog/pg_proc.h b/src/include/catalog/pg_proc.h
index 09d57d940da..c101a3c6542 100644
--- a/src/include/catalog/pg_proc.h
+++ b/src/include/catalog/pg_proc.h
@@ -7,7 +7,7 @@
  * 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
@@ -2839,6 +2839,14 @@ DATA(insert OID = 1934 (  pg_stat_get_blocks_fetched	PGNSP PGUID 12 f f t f s 1
 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_ ));
diff --git a/src/include/pgstat.h b/src/include/pgstat.h
index 4497e4d1f58..d9d1e11b3d8 100644
--- a/src/include/pgstat.h
+++ b/src/include/pgstat.h
@@ -5,7 +5,7 @@
  *
  *	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
@@ -161,6 +161,8 @@ typedef struct PgStat_MsgVacuum
 	Oid			m_databaseid;
 	Oid			m_tableoid;
 	bool		m_analyze;
+	bool		m_autovacuum;
+	TimestampTz m_vacuumtime;
 	PgStat_Counter m_tuples;
 } PgStat_MsgVacuum;
 
@@ -174,6 +176,8 @@ typedef struct PgStat_MsgAnalyze
 	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;
@@ -344,6 +348,10 @@ typedef struct PgStat_StatBeEntry
 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;
 
diff --git a/src/test/regress/expected/rules.out b/src/test/regress/expected/rules.out
index 7d38d3e8bbc..76a1a54e5dd 100644
--- a/src/test/regress/expected/rules.out
+++ b/src/test/regress/expected/rules.out
@@ -1289,12 +1289,12 @@ SELECT viewname, definition FROM pg_views WHERE schemaname <> 'information_schem
  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;