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Support for subselects.

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ExecReScan for nodeAgg, nodeHash, nodeHashjoin, nodeNestloop and nodeResult.
Fixed ExecReScan for nodeMaterial.
Get rid of #ifdef INDEXSCAN_PATCH.
Get rid of ExecMarkPos and ExecRestrPos in nodeNestloop.
This commit is contained in:
Vadim B. Mikheev
1998-02-13 03:26:53 +00:00
parent 13637df458
commit 1a105cefbd
15 changed files with 677 additions and 153 deletions
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40
src/backend/executor/execMain.c
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@ -26,7 +26,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/executor/execMain.c,v 1.41 1998/02/10 04:00:45 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/executor/execMain.c,v 1.42 1998/02/13 03:26:38 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@ -110,7 +110,14 @@ ExecutorStart(QueryDesc *queryDesc, EState *estate)
/* sanity checks */
Assert(queryDesc != NULL);
if (queryDesc->plantree->nParamExec > 0)
{
estate->es_param_exec_vals = (ParamExecData*)
palloc (queryDesc->plantree->nParamExec * sizeof (ParamExecData));
memset (estate->es_param_exec_vals, 0 , queryDesc->plantree->nParamExec * sizeof (ParamExecData));
}
result = InitPlan(queryDesc->operation,
queryDesc->parsetree,
queryDesc->plantree,
@ -177,31 +184,6 @@ ExecutorRun(QueryDesc *queryDesc, EState *estate, int feature, int count)
estate->es_processed = 0;
estate->es_lastoid = InvalidOid;
#if 0
/*
* It doesn't work in common case (i.g. if function has a aggregate).
* Now we store parameter values before ExecutorStart. - vadim
* 01/22/97
*/
#ifdef INDEXSCAN_PATCH
/*
* If the plan is an index scan and some of the scan key are function
* arguments rescan the indices after the parameter values have been
* stored in the execution state. DZ - 27-8-1996
*/
if ((nodeTag(plan) == T_IndexScan) &&
(((IndexScan *) plan)->indxstate->iss_RuntimeKeyInfo != NULL))
{
ExprContext *econtext;
econtext = ((IndexScan *) plan)->scan.scanstate->cstate.cs_ExprContext;
ExecIndexReScan((IndexScan *) plan, econtext, plan);
}
#endif
#endif
switch (feature)
{
@ -1246,7 +1228,8 @@ ExecAttrDefault(Relation rel, HeapTuple tuple)
econtext->ecxt_outertuple = NULL; /* outer tuple slot */
econtext->ecxt_relation = NULL; /* relation */
econtext->ecxt_relid = 0; /* relid */
econtext->ecxt_param_list_info = NULL; /* param list info */
econtext->ecxt_param_list_info = NULL; /* param list info */
econtext->ecxt_param_exec_vals = NULL; /* exec param values */
econtext->ecxt_range_table = NULL; /* range table */
for (i = 0; i < ndef; i++)
{
@ -1322,6 +1305,7 @@ ExecRelCheck(Relation rel, HeapTuple tuple)
econtext->ecxt_relation = rel; /* relation */
econtext->ecxt_relid = 0; /* relid */
econtext->ecxt_param_list_info = NULL; /* param list info */
econtext->ecxt_param_exec_vals = NULL; /* exec param values */
econtext->ecxt_range_table = rtlist; /* range table */
for (i = 0; i < ncheck; i++)