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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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11
src/backend/executor/nodeUnique.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/executor/nodeUnique.c,v 1.35 2002/12/05 15:50:34 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/executor/nodeUnique.c,v 1.36 2002/12/15 16:17:46 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -194,15 +194,10 @@ ExecEndUnique(UniqueState *node)
{
/* clean up tuple table */
ExecClearTuple(node->ps.ps_ResultTupleSlot);
if (node->priorTuple != NULL)
{
heap_freetuple(node->priorTuple);
node->priorTuple = NULL;
}
ExecEndNode(outerPlanState(node));
MemoryContextDelete(node->tempContext);
ExecEndNode(outerPlanState(node));
}