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Split the processing of INSERT/UPDATE/DELETE operations out of execMain.c.

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They are now handled by a new plan node type called ModifyTable, which is
placed at the top of the plan tree.  In itself this change doesn't do much,
except perhaps make the handling of RETURNING lists and inherited UPDATEs a
tad less klugy.  But it is necessary preparation for the intended extension of
allowing RETURNING queries inside WITH.

Marko Tiikkaja
This commit is contained in:
Tom Lane
2009-10-10 01:43:50 +00:00
parent b865d27582
commit 8a5849b7ff
30 changed files with 1546 additions and 1101 deletions
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4
src/include/commands/trigger.h
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@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/commands/trigger.h,v 1.75 2009/07/29 20:56:20 tgl Exp $
* $PostgreSQL: pgsql/src/include/commands/trigger.h,v 1.76 2009/10/10 01:43:50 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -139,6 +139,7 @@ extern void ExecBSDeleteTriggers(EState *estate,
extern void ExecASDeleteTriggers(EState *estate,
ResultRelInfo *relinfo);
extern bool ExecBRDeleteTriggers(EState *estate,
PlanState *subplanstate,
ResultRelInfo *relinfo,
ItemPointer tupleid);
extern void ExecARDeleteTriggers(EState *estate,
@ -149,6 +150,7 @@ extern void ExecBSUpdateTriggers(EState *estate,
extern void ExecASUpdateTriggers(EState *estate,
ResultRelInfo *relinfo);
extern HeapTuple ExecBRUpdateTriggers(EState *estate,
PlanState *subplanstate,
ResultRelInfo *relinfo,
ItemPointer tupleid,
HeapTuple newtuple);