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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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34
src/backend/executor/execUtils.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/executor/execUtils.c,v 1.28 1998/02/10 04:00:52 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/executor/execUtils.c,v 1.29 1998/02/13 03:26:43 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@ -180,11 +180,6 @@ void
ExecAssignExprContext(EState *estate, CommonState *commonstate)
{
ExprContext *econtext;
ParamListInfo paraminfo;
List *rangeTable;
paraminfo = estate->es_param_list_info;
rangeTable = estate->es_range_table;
econtext = makeNode(ExprContext);
econtext->ecxt_scantuple = NULL; /* scan tuple slot */
@ -192,8 +187,9 @@ ExecAssignExprContext(EState *estate, CommonState *commonstate)
econtext->ecxt_outertuple = NULL; /* outer tuple slot */
econtext->ecxt_relation = NULL; /* relation */
econtext->ecxt_relid = 0; /* relid */
econtext->ecxt_param_list_info = paraminfo; /* param list info */
econtext->ecxt_range_table = rangeTable; /* range table */
econtext->ecxt_param_list_info = estate->es_param_list_info;
econtext->ecxt_param_exec_vals = estate->es_param_exec_vals;
econtext->ecxt_range_table = estate->es_range_table; /* range table */
commonstate->cs_ExprContext = econtext;
}
@ -1179,3 +1175,25 @@ ExecInsertIndexTuples(TupleTableSlot *slot,
if (econtext != NULL)
pfree(econtext);
}
void
SetChangedParamList (Plan *node, List *newchg)
{
List *nl;
foreach (nl, newchg)
{
int paramId = lfirsti(nl);
/* if this node doesn't depend on a param ... */
if ( !intMember (paramId, node->extParam) &&
!intMember (paramId, node->locParam) )
continue;
/* if this param is already in list of changed ones ... */
if ( intMember (paramId, node->chgParam) )
continue;
/* else - add this param to the list */
node->chgParam = lappendi (node->chgParam, paramId);
}
}