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mirror of https://github.com/postgres/postgres.git synced 2025-06-13 07:41:39 +03:00

First stage of reclaiming memory in executor by resetting short-term

memory contexts.  Currently, only leaks in expressions executed as
quals or projections are handled.  Clean up some old dead cruft in
executor while at it --- unused fields in state nodes, that sort of thing.
This commit is contained in:
Tom Lane
2000-07-12 02:37:39 +00:00
parent 46fb9c29e2
commit badce86a2c
53 changed files with 1536 additions and 1584 deletions

View File

@ -6,7 +6,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/gist/gist.c,v 1.60 2000/07/03 23:09:11 wieck Exp $
* $Header: /cvsroot/pgsql/src/backend/access/gist/gist.c,v 1.61 2000/07/12 02:36:46 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -141,11 +141,10 @@ gistbuild(PG_FUNCTION_ARGS)
{
tupleTable = ExecCreateTupleTable(1);
slot = ExecAllocTableSlot(tupleTable);
econtext = makeNode(ExprContext);
FillDummyExprContext(econtext, slot, hd, InvalidBuffer);
ExecSetSlotDescriptor(slot, hd);
econtext = MakeExprContext(slot, TransactionCommandContext);
}
else
/* shut the compiler up */
{
tupleTable = NULL;
slot = NULL;
@ -161,13 +160,13 @@ gistbuild(PG_FUNCTION_ARGS)
{
nh++;
#ifndef OMIT_PARTIAL_INDEX
/*
* If oldPred != NULL, this is an EXTEND INDEX command, so skip
* this tuple if it was already in the existing partial index
*/
if (oldPred != NULL)
{
#ifndef OMIT_PARTIAL_INDEX
/* SetSlotContents(slot, htup); */
slot->val = htup;
if (ExecQual((List *) oldPred, econtext, false))
@ -175,7 +174,6 @@ gistbuild(PG_FUNCTION_ARGS)
ni++;
continue;
}
#endif /* OMIT_PARTIAL_INDEX */
}
/*
@ -184,13 +182,12 @@ gistbuild(PG_FUNCTION_ARGS)
*/
if (pred != NULL)
{
#ifndef OMIT_PARTIAL_INDEX
/* SetSlotContents(slot, htup); */
slot->val = htup;
if (!ExecQual((List *) pred, econtext, false))
continue;
#endif /* OMIT_PARTIAL_INDEX */
}
#endif /* OMIT_PARTIAL_INDEX */
ni++;
@ -262,13 +259,13 @@ gistbuild(PG_FUNCTION_ARGS)
/* okay, all heap tuples are indexed */
heap_endscan(scan);
#ifndef OMIT_PARTIAL_INDEX
if (pred != NULL || oldPred != NULL)
{
#ifndef OMIT_PARTIAL_INDEX
ExecDropTupleTable(tupleTable, true);
pfree(econtext);
#endif /* OMIT_PARTIAL_INDEX */
FreeExprContext(econtext);
}
#endif /* OMIT_PARTIAL_INDEX */
/*
* Since we just counted the tuples in the heap, we update its stats