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Get rid of ReferentialIntegritySnapshotOverride by extending Executor API

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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
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3
src/include/nodes/execnodes.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: execnodes.h,v 1.105 2003/08/22 20:26:43 tgl Exp $
* $Id: execnodes.h,v 1.106 2003/09/25 18:58:36 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -286,6 +286,7 @@ typedef struct EState
/* Basic state for all query types: */
ScanDirection es_direction; /* current scan direction */
Snapshot es_snapshot; /* time qual to use */
CommandId es_snapshot_cid; /* CommandId component of time qual */
List *es_range_table; /* List of RangeTableEntrys */
/* Info about target table for insert/update/delete queries: */