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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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10
src/backend/postmaster/pgstat.c
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@@ -13,7 +13,7 @@
*
* Copyright (c) 2001-2005, PostgreSQL Global Development Group
*
* $PostgreSQL: pgsql/src/backend/postmaster/pgstat.c,v 1.91 2005/04/14 20:03:25 tgl Exp $
* $PostgreSQL: pgsql/src/backend/postmaster/pgstat.c,v 1.92 2005/04/14 20:32:42 tgl Exp $
* ----------
*/
#include "postgres.h"
@@ -2065,7 +2065,7 @@ pgstat_add_backend(PgStat_MsgHdr *msg)
memset(&hash_ctl, 0, sizeof(hash_ctl));
hash_ctl.keysize = sizeof(Oid);
hash_ctl.entrysize = sizeof(PgStat_StatTabEntry);
hash_ctl.hash = tag_hash;
hash_ctl.hash = oid_hash;
dbentry->tables = hash_create("Per-database table",
PGSTAT_TAB_HASH_SIZE,
&hash_ctl,
@@ -2364,7 +2364,7 @@ pgstat_read_statsfile(HTAB **dbhash, Oid onlydb,
memset(&hash_ctl, 0, sizeof(hash_ctl));
hash_ctl.keysize = sizeof(Oid);
hash_ctl.entrysize = sizeof(PgStat_StatDBEntry);
hash_ctl.hash = tag_hash;
hash_ctl.hash = oid_hash;
hash_ctl.hcxt = use_mcxt;
*dbhash = hash_create("Databases hash", PGSTAT_DB_HASH_SIZE, &hash_ctl,
HASH_ELEM | HASH_FUNCTION | mcxt_flags);
@@ -2453,7 +2453,7 @@ pgstat_read_statsfile(HTAB **dbhash, Oid onlydb,
memset(&hash_ctl, 0, sizeof(hash_ctl));
hash_ctl.keysize = sizeof(Oid);
hash_ctl.entrysize = sizeof(PgStat_StatTabEntry);
hash_ctl.hash = tag_hash;
hash_ctl.hash = oid_hash;
hash_ctl.hcxt = use_mcxt;
dbentry->tables = hash_create("Per-database table",
PGSTAT_TAB_HASH_SIZE,
@@ -2888,7 +2888,7 @@ pgstat_recv_resetcounter(PgStat_MsgResetcounter *msg, int len)
memset(&hash_ctl, 0, sizeof(hash_ctl));
hash_ctl.keysize = sizeof(Oid);
hash_ctl.entrysize = sizeof(PgStat_StatTabEntry);
hash_ctl.hash = tag_hash;
hash_ctl.hash = oid_hash;
dbentry->tables = hash_create("Per-database table",
PGSTAT_TAB_HASH_SIZE,
&hash_ctl,