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This patch refactors away some duplicated code in the index AM build

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methods: they all invoke UpdateStats() since they have computed the
number of heap tuples, so I created a function in catalog/index.c that
each AM now calls.
This commit is contained in:
Neil Conway 2005-05-11 06:24:55 +00:00
parent ff868d8161
commit 3140437495
6 changed files with 48 additions and 92 deletions
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25
src/backend/access/gist/gist.c
View File

@ -8,7 +8,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/access/gist/gist.c,v 1.113 2005/03/21 01:23:56 tgl Exp $
* $PostgreSQL: pgsql/src/backend/access/gist/gist.c,v 1.114 2005/05/11 06:24:50 neilc Exp $
*
*-------------------------------------------------------------------------
*/
@ -184,27 +184,8 @@ gistbuild(PG_FUNCTION_ARGS)
/* okay, all heap tuples are indexed */
/*
* Since we just counted the tuples in the heap, we update its stats
* in pg_class to guarantee that the planner takes advantage of the
* index we just created. But, only update statistics during normal
* index definitions, not for indices on system catalogs created
* during bootstrap processing. We must close the relations before
* updating statistics to guarantee that the relcache entries are
* flushed when we increment the command counter in UpdateStats(). But
* we do not release any locks on the relations; those will be held
* until end of transaction.
*/
if (IsNormalProcessingMode())
{
Oid hrelid = RelationGetRelid(heap);
Oid irelid = RelationGetRelid(index);
heap_close(heap, NoLock);
index_close(index);
UpdateStats(hrelid, reltuples);
UpdateStats(irelid, buildstate.indtuples);
}
/* since we just counted the # of tuples, may as well update stats */
IndexCloseAndUpdateStats(heap, reltuples, index, buildstate.indtuples);
freeGISTstate(&buildstate.giststate);
#ifdef GISTDEBUG

25
src/backend/access/hash/hash.c
View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/access/hash/hash.c,v 1.78 2005/03/27 23:52:57 tgl Exp $
* $PostgreSQL: pgsql/src/backend/access/hash/hash.c,v 1.79 2005/05/11 06:24:51 neilc Exp $
*
* NOTES
* This file contains only the public interface routines.
@ -72,27 +72,8 @@ hashbuild(PG_FUNCTION_ARGS)
reltuples = IndexBuildHeapScan(heap, index, indexInfo,
hashbuildCallback, (void *) &buildstate);
/*
* Since we just counted the tuples in the heap, we update its stats
* in pg_class to guarantee that the planner takes advantage of the
* index we just created. But, only update statistics during normal
* index definitions, not for indices on system catalogs created
* during bootstrap processing. We must close the relations before
* updating statistics to guarantee that the relcache entries are
* flushed when we increment the command counter in UpdateStats(). But
* we do not release any locks on the relations; those will be held
* until end of transaction.
*/
if (IsNormalProcessingMode())
{
Oid hrelid = RelationGetRelid(heap);
Oid irelid = RelationGetRelid(index);
heap_close(heap, NoLock);
index_close(index);
UpdateStats(hrelid, reltuples);
UpdateStats(irelid, buildstate.indtuples);
}
/* since we just counted the # of tuples, may as well update stats */
IndexCloseAndUpdateStats(heap, reltuples, index, buildstate.indtuples);
PG_RETURN_VOID();
}

25
src/backend/access/nbtree/nbtree.c
View File

@ -12,7 +12,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/access/nbtree/nbtree.c,v 1.129 2005/05/07 21:32:23 tgl Exp $
* $PostgreSQL: pgsql/src/backend/access/nbtree/nbtree.c,v 1.130 2005/05/11 06:24:53 neilc Exp $
*
*-------------------------------------------------------------------------
*/
@ -148,27 +148,8 @@ btbuild(PG_FUNCTION_ARGS)
}
#endif /* BTREE_BUILD_STATS */
/*
* Since we just counted the tuples in the heap, we update its stats
* in pg_class to guarantee that the planner takes advantage of the
* index we just created. But, only update statistics during normal
* index definitions, not for indices on system catalogs created
* during bootstrap processing. We must close the relations before
* updating statistics to guarantee that the relcache entries are
* flushed when we increment the command counter in UpdateStats(). But
* we do not release any locks on the relations; those will be held
* until end of transaction.
*/
if (IsNormalProcessingMode())
{
Oid hrelid = RelationGetRelid(heap);
Oid irelid = RelationGetRelid(index);
heap_close(heap, NoLock);
index_close(index);
UpdateStats(hrelid, reltuples);
UpdateStats(irelid, buildstate.indtuples);
}
/* since we just counted the # of tuples, may as well update stats */
IndexCloseAndUpdateStats(heap, reltuples, index, buildstate.indtuples);
PG_RETURN_VOID();
}

25
src/backend/access/rtree/rtree.c
View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/access/rtree/rtree.c,v 1.88 2005/03/21 01:24:00 tgl Exp $
* $PostgreSQL: pgsql/src/backend/access/rtree/rtree.c,v 1.89 2005/05/11 06:24:54 neilc Exp $
*
*-------------------------------------------------------------------------
*/
@ -142,27 +142,8 @@ rtbuild(PG_FUNCTION_ARGS)
/* okay, all heap tuples are indexed */
/*
* Since we just counted the tuples in the heap, we update its stats
* in pg_class to guarantee that the planner takes advantage of the
* index we just created. But, only update statistics during normal
* index definitions, not for indices on system catalogs created
* during bootstrap processing. We must close the relations before
* updating statistics to guarantee that the relcache entries are
* flushed when we increment the command counter in UpdateStats(). But
* we do not release any locks on the relations; those will be held
* until end of transaction.
*/
if (IsNormalProcessingMode())
{
Oid hrelid = RelationGetRelid(heap);
Oid irelid = RelationGetRelid(index);
heap_close(heap, NoLock);
index_close(index);
UpdateStats(hrelid, reltuples);
UpdateStats(irelid, buildstate.indtuples);
}
/* since we just counted the # of tuples, may as well update stats */
IndexCloseAndUpdateStats(heap, reltuples, index, buildstate.indtuples);
PG_RETURN_VOID();
}

35
src/backend/catalog/index.c
View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/catalog/index.c,v 1.254 2005/05/06 17:24:52 tgl Exp $
* $PostgreSQL: pgsql/src/backend/catalog/index.c,v 1.255 2005/05/11 06:24:54 neilc Exp $
*
*
* INTERFACE ROUTINES
@ -62,6 +62,7 @@ static void UpdateIndexRelation(Oid indexoid, Oid heapoid,
Oid *classOids,
bool primary);
static Oid IndexGetRelation(Oid indexId);
static void UpdateStats(Oid relid, double reltuples);
/*
@ -1149,6 +1150,36 @@ setNewRelfilenode(Relation relation)
}
/*
* This is invoked by the various index AMs once they have finished
* constructing an index. Constructing an index involves counting the
* number of tuples in both the relation and the index, so we take
* advantage of the opportunity to update pg_class to ensure that the
* planner takes advantage of the index we just created. But, only
* update statistics during normal index definitions, not for indices
* on system catalogs created during bootstrap processing. We must
* close the relations before updating statistics to guarantee that
* the relcache entries are flushed when we increment the command
* counter in UpdateStats(). But we do not release any locks on the
* relations; those will be held until end of transaction.
*/
void
IndexCloseAndUpdateStats(Relation heap, double heapTuples,
Relation index, double indexTuples)
{
Oid hrelid = RelationGetRelid(heap);
Oid irelid = RelationGetRelid(index);
if (!IsNormalProcessingMode())
return;
heap_close(heap, NoLock);
index_close(index);
UpdateStats(hrelid, heapTuples);
UpdateStats(irelid, indexTuples);
}
/* ----------------
* UpdateStats
*
@ -1157,7 +1188,7 @@ setNewRelfilenode(Relation relation)
* in the context of VACUUM, only CREATE INDEX.
* ----------------
*/
void
static void
UpdateStats(Oid relid, double reltuples)
{
Relation whichRel;

5
src/include/catalog/index.h
View File

@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/catalog/index.h,v 1.62 2005/04/14 01:38:20 tgl Exp $
* $PostgreSQL: pgsql/src/include/catalog/index.h,v 1.63 2005/05/11 06:24:55 neilc Exp $
*
*-------------------------------------------------------------------------
*/
@ -52,7 +52,8 @@ extern void FormIndexDatum(IndexInfo *indexInfo,
Datum *values,
bool *isnull);
extern void UpdateStats(Oid relid, double reltuples);
extern void IndexCloseAndUpdateStats(Relation heap, double heapTuples,
Relation index, double indexTuples);
extern void setRelhasindex(Oid relid, bool hasindex,
bool isprimary, Oid reltoastidxid);