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Revise executor APIs so that all per-query state structure is built in

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a per-query memory context created by CreateExecutorState --- and destroyed
by FreeExecutorState.  This provides a final solution to the longstanding
problem of memory leaked by various ExecEndNode calls.
This commit is contained in:
Tom Lane
2002-12-15 16:17:59 +00:00
parent 90b3a0b6fd
commit 5bab36e9f6
42 changed files with 806 additions and 547 deletions
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14
src/backend/executor/nodeGroup.c
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@ -15,7 +15,7 @@
* locate group boundaries.
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/executor/nodeGroup.c,v 1.52 2002/12/13 19:45:52 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/executor/nodeGroup.c,v 1.53 2002/12/15 16:17:46 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -218,19 +218,13 @@ ExecEndGroup(GroupState *node)
{
PlanState *outerPlan;
ExecFreeProjectionInfo(&node->ss.ps);
ExecFreeExprContext(&node->ss.ps);
outerPlan = outerPlanState(node);
ExecEndNode(outerPlan);
/* clean up tuple table */
ExecClearTuple(node->ss.ss_ScanTupleSlot);
if (node->grp_firstTuple != NULL)
{
heap_freetuple(node->grp_firstTuple);
node->grp_firstTuple = NULL;
}
outerPlan = outerPlanState(node);
ExecEndNode(outerPlan);
}
void