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

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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
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12
src/backend/executor/nodeAppend.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/executor/nodeAppend.c,v 1.34 2000/06/17 21:48:49 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/executor/nodeAppend.c,v 1.35 2000/07/12 02:37:03 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -219,16 +219,12 @@ ExecInitAppend(Append *node, EState *estate, Plan *parent)
node->appendstate = appendstate;
/* ----------------
* Miscellanious initialization
*
* + assign node's base_id
* + assign debugging hooks
* Miscellaneous initialization
*
* Append plans don't have expression contexts because they
* never call ExecQual or ExecTargetList.
* never call ExecQual or ExecProject.
* ----------------
*/
ExecAssignNodeBaseInfo(estate, &appendstate->cstate, parent);
#define APPEND_NSLOTS 1
/* ----------------
@ -380,7 +376,7 @@ ExecCountSlotsAppend(Append *node)
*
* Handles the iteration over the multiple scans.
*
* NOTE: Can't call this ExecAppend, that name is used in execMain.l
* NOTE: Can't call this ExecAppend, that name is used in execMain.
* ----------------------------------------------------------------
*/
TupleTableSlot *