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Back out use of palloc0 in place if palloc/MemSet. Seems constant len

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to MemSet is a performance boost.
This commit is contained in:
Bruce Momjian
2002-11-11 03:02:20 +00:00
parent 5d283d89cb
commit 75fee4535d
38 changed files with 212 additions and 110 deletions
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10
src/backend/access/nbtree/nbtsort.c
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@@ -35,7 +35,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtsort.c,v 1.67 2002/11/10 07:25:13 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtsort.c,v 1.68 2002/11/11 03:02:18 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -111,7 +111,9 @@ static void _bt_load(Relation index, BTSpool *btspool, BTSpool *btspool2);
BTSpool *
_bt_spoolinit(Relation index, bool isunique)
{
BTSpool *btspool = (BTSpool *) palloc0(sizeof(BTSpool));
BTSpool *btspool = (BTSpool *) palloc(sizeof(BTSpool));
MemSet((char *) btspool, 0, sizeof(BTSpool));
btspool->index = index;
btspool->isunique = isunique;
@@ -205,7 +207,9 @@ _bt_blnewpage(Relation index, Buffer *buf, Page *page, int flags)
static BTPageState *
_bt_pagestate(Relation index, int flags, int level)
{
BTPageState *state = (BTPageState *) palloc0(sizeof(BTPageState));
BTPageState *state = (BTPageState *) palloc(sizeof(BTPageState));
MemSet((char *) state, 0, sizeof(BTPageState));
/* create initial page */
_bt_blnewpage(index, &(state->btps_buf), &(state->btps_page), flags);