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Enable pg_statistic cache use.

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This commit is contained in:
Bruce Momjian 1999-11-25 00:15:57 +00:00
parent 8f401e8042
commit 922e53e6ea
4 changed files with 25 additions and 21 deletions
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4
src/backend/catalog/indexing.c
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@ -8,7 +8,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/catalog/indexing.c,v 1.52 1999/11/24 16:52:31 momjian Exp $ * $Header: /cvsroot/pgsql/src/backend/catalog/indexing.c,v 1.53 1999/11/25 00:15:56 momjian Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -63,6 +63,8 @@ char *Name_pg_rewrite_indices[Num_pg_rewrite_indices] =
{RewriteOidIndex, RewriteRulenameIndex}; {RewriteOidIndex, RewriteRulenameIndex};
char *Name_pg_shadow_indices[Num_pg_shadow_indices] = char *Name_pg_shadow_indices[Num_pg_shadow_indices] =
{ShadowNameIndex, ShadowSysidIndex}; {ShadowNameIndex, ShadowSysidIndex};
char *Name_pg_statistic_indices[Num_pg_statistic_indices] =
{StatisticRelidAttnumOpIndex};
char *Name_pg_trigger_indices[Num_pg_trigger_indices] = char *Name_pg_trigger_indices[Num_pg_trigger_indices] =
{TriggerRelidIndex, TriggerConstrNameIndex, TriggerConstrRelidIndex}; {TriggerRelidIndex, TriggerConstrNameIndex, TriggerConstrRelidIndex};
char *Name_pg_type_indices[Num_pg_type_indices] = char *Name_pg_type_indices[Num_pg_type_indices] =

14
src/backend/commands/rename.c
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@ -7,7 +7,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/Attic/rename.c,v 1.36 1999/11/24 00:44:30 momjian Exp $ * $Header: /cvsroot/pgsql/src/backend/commands/Attic/rename.c,v 1.37 1999/11/25 00:15:57 momjian Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -56,7 +56,6 @@ renameatt(char *relname,
HeapTuple reltup, HeapTuple reltup,
oldatttup, oldatttup,
newatttup; newatttup;
Relation irelations[Num_pg_attr_indices];
Oid relid; Oid relid;
/* /*
@ -159,10 +158,13 @@ renameatt(char *relname,
heap_update(attrelation, &oldatttup->t_self, oldatttup, NULL); heap_update(attrelation, &oldatttup->t_self, oldatttup, NULL);
/* keep system catalog indices current */ /* keep system catalog indices current */
CatalogOpenIndices(Num_pg_attr_indices, Name_pg_attr_indices, irelations); {
CatalogIndexInsert(irelations, Num_pg_attr_indices, attrelation, oldatttup); Relation irelations[Num_pg_attr_indices];
CatalogCloseIndices(Num_pg_attr_indices, irelations); CatalogOpenIndices(Num_pg_attr_indices, Name_pg_attr_indices, irelations);
CatalogIndexInsert(irelations, Num_pg_attr_indices, attrelation, oldatttup);
CatalogCloseIndices(Num_pg_attr_indices, irelations);
}
pfree(oldatttup); pfree(oldatttup);
heap_close(attrelation, RowExclusiveLock); heap_close(attrelation, RowExclusiveLock);
} }

10
src/backend/commands/vacuum.c
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@ -7,7 +7,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/vacuum.c,v 1.125 1999/11/22 17:56:02 momjian Exp $ * $Header: /cvsroot/pgsql/src/backend/commands/vacuum.c,v 1.126 1999/11/25 00:15:57 momjian Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -24,6 +24,7 @@
#include "catalog/catalog.h" #include "catalog/catalog.h"
#include "catalog/catname.h" #include "catalog/catname.h"
#include "catalog/index.h" #include "catalog/index.h"
#include "catalog/indexing.h"
#include "catalog/pg_operator.h" #include "catalog/pg_operator.h"
#include "catalog/pg_statistic.h" #include "catalog/pg_statistic.h"
#include "catalog/pg_type.h" #include "catalog/pg_type.h"
@ -2446,6 +2447,13 @@ vc_updstats(Oid relid, int num_pages, int num_tuples, bool hasindex, VRelStats *
*/ */
heap_insert(sd, stup); heap_insert(sd, stup);
{
Relation irelations[Num_pg_statistic_indices];
CatalogOpenIndices(Num_pg_statistic_indices, Name_pg_statistic_indices, irelations);
CatalogIndexInsert(irelations, Num_pg_statistic_indices, sd, stup);
CatalogCloseIndices(Num_pg_statistic_indices, irelations);
}
/* release allocated space */ /* release allocated space */
pfree(DatumGetPointer(values[Anum_pg_statistic_stacommonval-1])); pfree(DatumGetPointer(values[Anum_pg_statistic_stacommonval-1]));
pfree(DatumGetPointer(values[Anum_pg_statistic_staloval-1])); pfree(DatumGetPointer(values[Anum_pg_statistic_staloval-1]));

18
src/backend/utils/adt/selfuncs.c
View File

@ -10,7 +10,7 @@
* *
* *
* IDENTIFICATION * 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) Datum *hival)
{ {
Relation rel; 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; bool isnull;
HeapTuple tuple; HeapTuple tuple;
HeapTuple typeTuple; HeapTuple typeTuple;
@ -600,15 +595,13 @@ getattstatistics(Oid relid, AttrNumber attnum, Oid typid, int32 typmod,
rel = heap_openr(StatisticRelationName, AccessShareLock); rel = heap_openr(StatisticRelationName, AccessShareLock);
key[0].sk_argument = ObjectIdGetDatum(relid); tuple = SearchSysCacheTuple(STATRELID,
key[1].sk_argument = Int16GetDatum((int16) attnum); ObjectIdGetDatum(relid),
Int16GetDatum((int16) attnum),
scan = heap_beginscan(rel, 0, SnapshotNow, 2, key); 0, 0); /* staop is currently 0 */
tuple = heap_getnext(scan, 0);
if (!HeapTupleIsValid(tuple)) if (!HeapTupleIsValid(tuple))
{ {
/* no such stats entry */ /* no such stats entry */
heap_endscan(scan);
heap_close(rel, AccessShareLock); heap_close(rel, AccessShareLock);
return false; return false;
} }
@ -693,7 +686,6 @@ getattstatistics(Oid relid, AttrNumber attnum, Oid typid, int32 typmod,
} }
} }
heap_endscan(scan);
heap_close(rel, AccessShareLock); heap_close(rel, AccessShareLock);
return true; return true;
} }