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| author | Magnus Hagander <magnus@hagander.net> | 2013-07-05 15:02:09 +0200 |
|---|---|---|
| committer | Magnus Hagander <magnus@hagander.net> | 2013-07-05 15:10:15 +0200 |
| commit | c87ff71f374652936a6089215a30998492b14d52 (patch) | |
| tree | b258309f40ab3f9302bcc2d29b0753c29cf8fbed /src/backend/utils/adt/pgstatfuncs.c | |
| parent | 9ce9dfdb999960aa7596bb219db02ccdbe2da855 (diff) | |
| download | postgresql-c87ff71f374652936a6089215a30998492b14d52.tar.gz postgresql-c87ff71f374652936a6089215a30998492b14d52.zip | |
Expose the estimation of number of changed tuples since last analyze
This value, now pg_stat_all_tables.n_mod_since_analyze, was already
tracked and used by autovacuum, but not exposed to the user.
Mark Kirkwood, review by Laurenz Albe
Diffstat (limited to 'src/backend/utils/adt/pgstatfuncs.c')
| -rw-r--r-- | src/backend/utils/adt/pgstatfuncs.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/backend/utils/adt/pgstatfuncs.c b/src/backend/utils/adt/pgstatfuncs.c index 8c1a76728de..0533cd6b3eb 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_mod_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_mod_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); |