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Get rid of ReferentialIntegritySnapshotOverride by extending Executor API

to allow es_snapshot to be set to SnapshotNow rather than a query snapshot.
This solves a bug reported by Wade Klaver, wherein triggers fired as a
result of RI cascade updates could misbehave.
This commit is contained in:
Tom Lane
2003-09-25 18:58:36 +00:00
parent 7ab5c5b83e
commit c63a5452d8
16 changed files with 101 additions and 94 deletions

View File

@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: executor.h,v 1.100 2003/08/19 01:13:41 tgl Exp $
* $Id: executor.h,v 1.101 2003/09/25 18:58:35 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -85,7 +85,8 @@ extern HeapTuple ExecRemoveJunk(JunkFilter *junkfilter, TupleTableSlot *slot);
/*
* prototypes from functions in execMain.c
*/
extern void ExecutorStart(QueryDesc *queryDesc, bool explainOnly);
extern void ExecutorStart(QueryDesc *queryDesc, bool useSnapshotNow,
bool explainOnly);
extern TupleTableSlot *ExecutorRun(QueryDesc *queryDesc,
ScanDirection direction, long count);
extern void ExecutorEnd(QueryDesc *queryDesc);