greenplumn nodeAppend 源码
greenplumn nodeAppend 代码
文件路径：/src/include/executor/nodeAppend.h
/*-------------------------------------------------------------------------
*
* nodeAppend.h
*
*
*
* Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/executor/nodeAppend.h
*
*-------------------------------------------------------------------------
*/
#ifndef NODEAPPEND_H
#define NODEAPPEND_H
#include "access/parallel.h"
#include "nodes/execnodes.h"
extern AppendState *ExecInitAppend(Append *node, EState *estate, int eflags);
extern void ExecEndAppend(AppendState *node);
extern void ExecReScanAppend(AppendState *node);
extern void ExecSquelchAppend(AppendState *node);
extern void ExecAppendEstimate(AppendState *node, ParallelContext *pcxt);
extern void ExecAppendInitializeDSM(AppendState *node, ParallelContext *pcxt);
extern void ExecAppendReInitializeDSM(AppendState *node, ParallelContext *pcxt);
extern void ExecAppendInitializeWorker(AppendState *node, ParallelWorkerContext *pwcxt);
#endif /* NODEAPPEND_H */
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