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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/utils/fmgr/fmgr.c
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/fmgr/fmgr.c,v 1.64 2002/11/10 07:25:14 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/fmgr/fmgr.c,v 1.65 2002/11/11 03:02:19 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -1550,8 +1550,9 @@ Int64GetDatum(int64 X)
* with zeroes in the unused bits. This is needed so that, for
* example, hash join of int8 will behave properly.
*/
int64 *retval = (int64 *) palloc0(Max(sizeof(int64), 8));
int64 *retval = (int64 *) palloc(Max(sizeof(int64), 8));
MemSet(retval, 0, Max(sizeof(int64), 8));
*retval = X;
return PointerGetDatum(retval);
#endif /* INT64_IS_BUSTED */