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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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5
src/backend/commands/analyze.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/analyze.c,v 1.48 2002/11/10 07:25:13 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/analyze.c,v 1.49 2002/11/11 03:02:18 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -423,7 +423,8 @@ examine_attribute(Relation onerel, int attnum)
* If we have "=" then we're at least able to do the minimal
* algorithm, so start filling in a VacAttrStats struct.
*/
stats = (VacAttrStats *) palloc0(sizeof(VacAttrStats));
stats = (VacAttrStats *) palloc(sizeof(VacAttrStats));
MemSet(stats, 0, sizeof(VacAttrStats));
stats->attnum = attnum;
stats->attr = (Form_pg_attribute) palloc(ATTRIBUTE_TUPLE_SIZE);
memcpy(stats->attr, attr, ATTRIBUTE_TUPLE_SIZE);