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Further marginal speed hacking: in MemoryContextReset, don't call 

MemoryContextResetChildren unless necessary.
This commit is contained in:
Tom Lane 2005-05-14 23:16:29 +00:00
parent fabef3044a
commit c8a6b52705
1 changed files with 5 additions and 2 deletions
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7
src/backend/utils/mmgr/mcxt.c
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@ -14,7 +14,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/mmgr/mcxt.c,v 1.54 2005/02/18 21:52:33 tgl Exp $
* $PostgreSQL: pgsql/src/backend/utils/mmgr/mcxt.c,v 1.55 2005/05/14 23:16:29 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -123,7 +123,10 @@ MemoryContextReset(MemoryContext context)
{
AssertArg(MemoryContextIsValid(context));
MemoryContextResetChildren(context);
/* save a function call in common case where there are no children */
if (context->firstchild != NULL)
MemoryContextResetChildren(context);
(*context->methods->reset) (context);
}