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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/vacuumlazy.c
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@@ -31,7 +31,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/vacuumlazy.c,v 1.21 2002/11/10 07:25:13 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/vacuumlazy.c,v 1.22 2002/11/11 03:02:18 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -147,7 +147,8 @@ lazy_vacuum_rel(Relation onerel, VacuumStmt *vacstmt)
vacuum_set_xid_limits(vacstmt, onerel->rd_rel->relisshared,
&OldestXmin, &FreezeLimit);
vacrelstats = (LVRelStats *) palloc0(sizeof(LVRelStats));
vacrelstats = (LVRelStats *) palloc(sizeof(LVRelStats));
MemSet(vacrelstats, 0, sizeof(LVRelStats));
/* Open all indexes of the relation */
vac_open_indexes(onerel, &nindexes, &Irel);