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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/nbtree/nbtree.c
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@ -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();
}