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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2005-05-14 23:16:29 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2005-05-14 23:16:29 +0000 |
| commit | c8a6b527050806d3e12d6002db16d5b93c644303 (patch) | |
| tree | 267eb843a10cc3b90fbdaecd4474a8274c695461 | |
| parent | fabef3044adbf167e08ff3015923a2ba0dc98546 (diff) | |
| download | postgresql-c8a6b527050806d3e12d6002db16d5b93c644303.tar.gz postgresql-c8a6b527050806d3e12d6002db16d5b93c644303.zip | |
Further marginal speed hacking: in MemoryContextReset, don't call
MemoryContextResetChildren unless necessary.
| -rw-r--r-- | src/backend/utils/mmgr/mcxt.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/backend/utils/mmgr/mcxt.c b/src/backend/utils/mmgr/mcxt.c index c5a2311bc5e..6d68e30f7eb 100644 --- a/src/backend/utils/mmgr/mcxt.c +++ b/src/backend/utils/mmgr/mcxt.c @@ -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); } |