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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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17
src/backend/executor/nodeMergejoin.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/executor/nodeMergejoin.c,v 1.54 2002/12/13 19:45:54 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/executor/nodeMergejoin.c,v 1.55 2002/12/15 16:17:46 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -1551,23 +1551,22 @@ ExecEndMergeJoin(MergeJoinState *node)
"ending node processing");
/*
* Free the projection info and the scan attribute info
* Free the exprcontext
*/
ExecFreeProjectionInfo(&node->js.ps);
ExecFreeExprContext(&node->js.ps);
/*
* shut down the subplans
*/
ExecEndNode(innerPlanState(node));
ExecEndNode(outerPlanState(node));
/*
* clean out the tuple table
*/
ExecClearTuple(node->js.ps.ps_ResultTupleSlot);
ExecClearTuple(node->mj_MarkedTupleSlot);
/*
* shut down the subplans
*/
ExecEndNode(innerPlanState(node));
ExecEndNode(outerPlanState(node));
MJ1_printf("ExecEndMergeJoin: %s\n",
"node processing ended");
}