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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2005-12-02 20:03:42 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2005-12-02 20:03:42 +0000 |
| commit | d780f07ac1ea97e2d3cf906cc1c9d59d6b21c5e2 (patch) | |
| tree | e13c3013e4ede366298875eeb77197a07f7c4b54 /src/include/executor/executor.h | |
| parent | 5ab25988753ff495f3fd0b54ef00ba80d0d2808c (diff) | |
| download | postgresql-d780f07ac1ea97e2d3cf906cc1c9d59d6b21c5e2.tar.gz postgresql-d780f07ac1ea97e2d3cf906cc1c9d59d6b21c5e2.zip | |
Adjust scan plan nodes to avoid getting an extra AccessShareLock on a
relation if it's already been locked by execMain.c as either a result
relation or a FOR UPDATE/SHARE relation. This avoids an extra trip to
the shared lock manager state. Per my suggestion yesterday.
Diffstat (limited to 'src/include/executor/executor.h')
| -rw-r--r-- | src/include/executor/executor.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/include/executor/executor.h b/src/include/executor/executor.h index 39c76c60aa5..f1d4e37c419 100644 --- a/src/include/executor/executor.h +++ b/src/include/executor/executor.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/executor/executor.h,v 1.121 2005/11/23 20:27:58 tgl Exp $ + * $PostgreSQL: pgsql/src/include/executor/executor.h,v 1.122 2005/12/02 20:03:42 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -230,6 +230,9 @@ extern void ExecAssignScanType(ScanState *scanstate, TupleDesc tupDesc, bool shouldFree); extern void ExecAssignScanTypeFromOuterPlan(ScanState *scanstate); +extern Relation ExecOpenScanRelation(EState *estate, Index scanrelid); +extern void ExecCloseScanRelation(Relation scanrel); + extern void ExecOpenIndices(ResultRelInfo *resultRelInfo); extern void ExecCloseIndices(ResultRelInfo *resultRelInfo); extern void ExecInsertIndexTuples(TupleTableSlot *slot, ItemPointer tupleid, |