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Marginal hack to use a specialized hash function for dynahash hashtables

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whose keys are OIDs.  The only one that looks particularly performance
critical is the relcache hashtable, but as long as we've got the function
we may as well use it wherever it's applicable.
This commit is contained in:
Tom Lane
2005-04-14 20:32:43 +00:00
parent 162bd08b3f
commit 055467d504
6 changed files with 28 additions and 14 deletions
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6
src/backend/utils/cache/relcache.c vendored
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/cache/relcache.c,v 1.220 2005/04/14 20:03:26 tgl Exp $
* $PostgreSQL: pgsql/src/backend/utils/cache/relcache.c,v 1.221 2005/04/14 20:32:43 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -1032,7 +1032,7 @@ LookupOpclassInfo(Oid operatorClassOid,
MemSet(&ctl, 0, sizeof(ctl));
ctl.keysize = sizeof(Oid);
ctl.entrysize = sizeof(OpClassCacheEnt);
ctl.hash = tag_hash;
ctl.hash = oid_hash;
OpClassCache = hash_create("Operator class cache", 64,
&ctl, HASH_ELEM | HASH_FUNCTION);
}
@ -2151,7 +2151,7 @@ RelationCacheInitialize(void)
MemSet(&ctl, 0, sizeof(ctl));
ctl.keysize = sizeof(Oid);
ctl.entrysize = sizeof(RelIdCacheEnt);
ctl.hash = tag_hash;
ctl.hash = oid_hash;
RelationIdCache = hash_create("Relcache by OID", INITRELCACHESIZE,
&ctl, HASH_ELEM | HASH_FUNCTION);