greenplumn nodeSubplan 源码
greenplumn nodeSubplan 代码
文件路径：/src/include/executor/nodeSubplan.h
/*-------------------------------------------------------------------------
*
* nodeSubplan.h
*
*
*
* Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/executor/nodeSubplan.h
*
*-------------------------------------------------------------------------
*/
#ifndef NODESUBPLAN_H
#define NODESUBPLAN_H
#include "nodes/execnodes.h"
#include "executor/execdesc.h"
extern SubPlanState *ExecInitSubPlan(SubPlan *subplan, PlanState *parent);
extern AlternativeSubPlanState *ExecInitAlternativeSubPlan(AlternativeSubPlan *asplan, PlanState *parent);
extern Datum ExecSubPlan(SubPlanState *node, ExprContext *econtext, bool *isNull);
extern Datum ExecAlternativeSubPlan(AlternativeSubPlanState *node, ExprContext *econtext, bool *isNull);
extern void ExecReScanSetParamPlan(SubPlanState *node, PlanState *parent);
/*
* MPP Change: Added a parameter (ParamListInfo p) to this function. See comments in nodeSubplan.cpp
*/
extern void ExecSetParamPlan(SubPlanState *node, ExprContext *econtext, QueryDesc *gbl_queryDesc);
extern void ExecSetParamPlanMulti(const Bitmapset *params, ExprContext *econtext, QueryDesc *gbl_queryDesc);
#endif /* NODESUBPLAN_H */
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