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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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29
src/backend/executor/execQual.c
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@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/executor/execQual.c,v 1.24 1998/01/31 04:38:27 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/executor/execQual.c,v 1.25 1998/02/13 03:26:42 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@@ -46,6 +46,7 @@
#include "executor/execdebug.h"
#include "executor/execFlatten.h"
#include "executor/functions.h"
#include "executor/nodeSubplan.h"
#include "access/heapam.h"
#include "utils/memutils.h"
#include "utils/builtins.h"
@@ -374,14 +375,23 @@ ExecEvalParam(Param *expression, ExprContext *econtext, bool *isNull)
{
char *thisParameterName;
int thisParameterKind;
AttrNumber thisParameterId;
int thisParameterKind = expression->paramkind;
AttrNumber thisParameterId = expression->paramid;
int matchFound;
ParamListInfo paramList;
if ( thisParameterKind == PARAM_EXEC )
{
ParamExecData *prm = &(econtext->ecxt_param_exec_vals[thisParameterId]);
if ( prm->execPlan != NULL )
ExecSetParamPlan (prm->execPlan);
Assert (prm->execPlan == NULL);
*isNull = prm->isnull;
return (prm->value);
}
thisParameterName = expression->paramname;
thisParameterKind = expression->paramkind;
thisParameterId = expression->paramid;
paramList = econtext->ecxt_param_list_info;
*isNull = false;
@@ -1227,14 +1237,17 @@ ExecEvalExpr(Node *expression,
case NOT_EXPR:
retDatum = (Datum) ExecEvalNot(expr, econtext, isNull);
break;
case SUBPLAN_EXPR:
retDatum = (Datum) ExecSubPlan((SubPlan*) expr->oper, expr->args, econtext);
break;
default:
elog(ERROR, "ExecEvalExpr: unknown expression type");
elog(ERROR, "ExecEvalExpr: unknown expression type %d", expr->opType);
break;
}
break;
}
default:
elog(ERROR, "ExecEvalExpr: unknown expression type");
elog(ERROR, "ExecEvalExpr: unknown expression type %d", nodeTag(expression));
break;
}