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| author | Bruce Momjian <bruce@momjian.us> | 1999-11-25 00:15:57 +0000 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 1999-11-25 00:15:57 +0000 |
| commit | 922e53e6ea6bf1baa2917c05e18539763e987821 (patch) | |
| tree | 3c2dcd08ab48a89b08420ba93d509e6b0f0ff5ff /src/backend/utils/adt/selfuncs.c | |
| parent | 8f401e804216ef03eaaa995b8a3d8b77d430b78a (diff) | |
| download | postgresql-922e53e6ea6bf1baa2917c05e18539763e987821.tar.gz postgresql-922e53e6ea6bf1baa2917c05e18539763e987821.zip | |
Enable pg_statistic cache use.
Diffstat (limited to 'src/backend/utils/adt/selfuncs.c')
| -rw-r--r-- | src/backend/utils/adt/selfuncs.c | 18 |
1 files changed, 5 insertions, 13 deletions
diff --git a/src/backend/utils/adt/selfuncs.c b/src/backend/utils/adt/selfuncs.c index 3e2d123df14..ee00e1dd79b 100644 --- a/src/backend/utils/adt/selfuncs.c +++ b/src/backend/utils/adt/selfuncs.c @@ -10,7 +10,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/utils/adt/selfuncs.c,v 1.42 1999/11/22 17:56:30 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/utils/adt/selfuncs.c,v 1.43 1999/11/25 00:15:57 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -588,11 +588,6 @@ getattstatistics(Oid relid, AttrNumber attnum, Oid typid, int32 typmod, Datum *hival) { Relation rel; - HeapScanDesc scan; - static ScanKeyData key[2] = { - {0, Anum_pg_statistic_starelid, F_OIDEQ, {0, 0, F_OIDEQ}}, - {0, Anum_pg_statistic_staattnum, F_INT2EQ, {0, 0, F_INT2EQ}} - }; bool isnull; HeapTuple tuple; HeapTuple typeTuple; @@ -600,15 +595,13 @@ getattstatistics(Oid relid, AttrNumber attnum, Oid typid, int32 typmod, rel = heap_openr(StatisticRelationName, AccessShareLock); - key[0].sk_argument = ObjectIdGetDatum(relid); - key[1].sk_argument = Int16GetDatum((int16) attnum); - - scan = heap_beginscan(rel, 0, SnapshotNow, 2, key); - tuple = heap_getnext(scan, 0); + tuple = SearchSysCacheTuple(STATRELID, + ObjectIdGetDatum(relid), + Int16GetDatum((int16) attnum), + 0, 0); /* staop is currently 0 */ if (!HeapTupleIsValid(tuple)) { /* no such stats entry */ - heap_endscan(scan); heap_close(rel, AccessShareLock); return false; } @@ -693,7 +686,6 @@ getattstatistics(Oid relid, AttrNumber attnum, Oid typid, int32 typmod, } } - heap_endscan(scan); heap_close(rel, AccessShareLock); return true; } |