diff --git a/doc/src/sgml/monitoring.sgml b/doc/src/sgml/monitoring.sgml index b37b6c3..0ebce4e 100644 --- a/doc/src/sgml/monitoring.sgml +++ b/doc/src/sgml/monitoring.sgml @@ -951,6 +951,11 @@ postgres: user database host Estimated number of dead rows + n_changes_since_analyze + bigint + Estimated number of row changes (inserts + updates + deletes) since the last analyze + + last_vacuum timestamp with time zone Last time at which this table was manually vacuumed diff --git a/src/backend/catalog/system_views.sql b/src/backend/catalog/system_views.sql index a03bfa6..05bba74 100644 --- a/src/backend/catalog/system_views.sql +++ b/src/backend/catalog/system_views.sql @@ -405,6 +405,7 @@ CREATE VIEW pg_stat_all_tables AS pg_stat_get_tuples_hot_updated(C.oid) AS n_tup_hot_upd, pg_stat_get_live_tuples(C.oid) AS n_live_tup, pg_stat_get_dead_tuples(C.oid) AS n_dead_tup, + pg_stat_get_changes_since_analyze(C.oid) AS n_changes_since_analyze, 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, diff --git a/src/backend/utils/adt/pgstatfuncs.c b/src/backend/utils/adt/pgstatfuncs.c index 8c1a767..8803996 100644 --- a/src/backend/utils/adt/pgstatfuncs.c +++ b/src/backend/utils/adt/pgstatfuncs.c @@ -34,6 +34,7 @@ extern Datum pg_stat_get_tuples_deleted(PG_FUNCTION_ARGS); extern Datum pg_stat_get_tuples_hot_updated(PG_FUNCTION_ARGS); extern Datum pg_stat_get_live_tuples(PG_FUNCTION_ARGS); extern Datum pg_stat_get_dead_tuples(PG_FUNCTION_ARGS); +extern Datum pg_stat_get_changes_since_analyze(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); @@ -266,6 +267,22 @@ pg_stat_get_dead_tuples(PG_FUNCTION_ARGS) Datum +pg_stat_get_changes_since_analyze(PG_FUNCTION_ARGS) +{ + Oid relid = PG_GETARG_OID(0); + int64 result; + PgStat_StatTabEntry *tabentry; + + if ((tabentry = pgstat_fetch_stat_tabentry(relid)) == NULL) + result = 0; + else + result = (int64) (tabentry->changes_since_analyze); + + PG_RETURN_INT64(result); +} + + +Datum pg_stat_get_blocks_fetched(PG_FUNCTION_ARGS) { Oid relid = PG_GETARG_OID(0); diff --git a/src/include/catalog/catversion.h b/src/include/catalog/catversion.h index 392649c..0a77fcb 100644 --- a/src/include/catalog/catversion.h +++ b/src/include/catalog/catversion.h @@ -53,6 +53,6 @@ */ /* yyyymmddN */ -#define CATALOG_VERSION_NO 201305061 +#define CATALOG_VERSION_NO 201305151 #endif diff --git a/src/include/catalog/pg_proc.h b/src/include/catalog/pg_proc.h index feecbf9..a7b7adb 100644 --- a/src/include/catalog/pg_proc.h +++ b/src/include/catalog/pg_proc.h @@ -2593,6 +2593,8 @@ DATA(insert OID = 2878 ( pg_stat_get_live_tuples PGNSP PGUID 12 1 0 0 0 f f f f DESCR("statistics: number of live tuples"); DATA(insert OID = 2879 ( pg_stat_get_dead_tuples PGNSP PGUID 12 1 0 0 0 f f f f t f s 1 0 20 "26" _null_ _null_ _null_ _null_ pg_stat_get_dead_tuples _null_ _null_ _null_ )); DESCR("statistics: number of dead tuples"); +DATA(insert OID = 3177 ( pg_stat_get_changes_since_analyze PGNSP PGUID 12 1 0 0 0 f f f f t f s 1 0 20 "26" _null_ _null_ _null_ _null_ pg_stat_get_changes_since_analyze _null_ _null_ _null_ )); +DESCR("statistics: number of tuples changed since last analyze"); DATA(insert OID = 1934 ( pg_stat_get_blocks_fetched PGNSP PGUID 12 1 0 0 0 f f f f t f s 1 0 20 "26" _null_ _null_ _null_ _null_ pg_stat_get_blocks_fetched _null_ _null_ _null_ )); DESCR("statistics: number of blocks fetched"); DATA(insert OID = 1935 ( pg_stat_get_blocks_hit PGNSP PGUID 12 1 0 0 0 f f f f t f s 1 0 20 "26" _null_ _null_ _null_ _null_ pg_stat_get_blocks_hit _null_ _null_ _null_ )); diff --git a/src/test/regress/expected/rules.out b/src/test/regress/expected/rules.out index dc3c8a8..d3e132a 100644 --- a/src/test/regress/expected/rules.out +++ b/src/test/regress/expected/rules.out @@ -1626,6 +1626,7 @@ SELECT viewname, definition FROM pg_views WHERE schemaname <> 'information_schem | pg_stat_get_tuples_hot_updated(c.oid) AS n_tup_hot_upd, + | pg_stat_get_live_tuples(c.oid) AS n_live_tup, + | pg_stat_get_dead_tuples(c.oid) AS n_dead_tup, + + | pg_stat_get_changes_since_analyze(c.oid) AS n_changes_since_analyze, + | 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, + @@ -1720,6 +1721,7 @@ SELECT viewname, definition FROM pg_views WHERE schemaname <> 'information_schem | pg_stat_all_tables.n_tup_hot_upd, + | pg_stat_all_tables.n_live_tup, + | pg_stat_all_tables.n_dead_tup, + + | pg_stat_all_tables.n_changes_since_analyze, + | pg_stat_all_tables.last_vacuum, + | pg_stat_all_tables.last_autovacuum, + | pg_stat_all_tables.last_analyze, + @@ -1762,6 +1764,7 @@ SELECT viewname, definition FROM pg_views WHERE schemaname <> 'information_schem | pg_stat_all_tables.n_tup_hot_upd, + | pg_stat_all_tables.n_live_tup, + | pg_stat_all_tables.n_dead_tup, + + | pg_stat_all_tables.n_changes_since_analyze, + | pg_stat_all_tables.last_vacuum, + | pg_stat_all_tables.last_autovacuum, + | pg_stat_all_tables.last_analyze, +