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EvalPlanQual was thoroughly broken for concurrent update/delete on inheritance

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trees (mostly my fault).  Repair.  Also fix long-standing bug in ExecReplace:
after recomputing a concurrently updated tuple, we must recheck constraints.
Make EvalPlanQual leak memory with somewhat less enthusiasm than before,
although plugging leaks fully will require more changes than I care to risk
in a dot-release.
This commit is contained in:
Tom Lane
2001-05-15 00:33:36 +00:00
parent e611348894
commit a4155d3bbd
3 changed files with 243 additions and 161 deletions
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6
src/include/nodes/execnodes.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: execnodes.h,v 1.58 2001/05/07 00:43:25 tgl Exp $
* $Id: execnodes.h,v 1.59 2001/05/15 00:33:36 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -353,6 +353,8 @@ typedef struct ResultState
* AppendState information
*
* whichplan which plan is being executed (0 .. n-1)
* firstplan first plan to execute (usually 0)
* lastplan last plan to execute (usually n-1)
* nplans how many plans are in the list
* initialized array of ExecInitNode() results
* ----------------
@ -361,6 +363,8 @@ typedef struct AppendState
{
CommonState cstate; /* its first field is NodeTag */
int as_whichplan;
int as_firstplan;
int as_lastplan;
int as_nplans;
bool *as_initialized;
} AppendState;