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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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15
src/backend/executor/nodeTidscan.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/executor/nodeTidscan.c,v 1.29 2002/12/13 19:45:56 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/executor/nodeTidscan.c,v 1.30 2002/12/15 16:17:46 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -278,19 +278,8 @@ void
ExecEndTidScan(TidScanState *node)
{
/*
* extract information from the node
* Free the exprcontext
*/
if (node && node->tss_TidList)
pfree(node->tss_TidList);
/*
* Free the projection info and the scan attribute info
*
* Note: we don't ExecFreeResultType(scanstate) because the rule manager
* depends on the tupType returned by ExecMain(). So for now, this is
* freed at end-transaction time. -cim 6/2/91
*/
ExecFreeProjectionInfo(&node->ss.ps);
ExecFreeExprContext(&node->ss.ps);
/*