greenplumn nodeForeignscan 源码
greenplumn nodeForeignscan 代码
文件路径：/src/include/executor/nodeForeignscan.h
/*-------------------------------------------------------------------------
*
* nodeForeignscan.h
*
*
*
* Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/executor/nodeForeignscan.h
*
*-------------------------------------------------------------------------
*/
#ifndef NODEFOREIGNSCAN_H
#define NODEFOREIGNSCAN_H
#include "access/parallel.h"
#include "nodes/execnodes.h"
extern ForeignScanState *ExecInitForeignScan(ForeignScan *node, EState *estate, int eflags);
extern void ExecEndForeignScan(ForeignScanState *node);
extern void ExecReScanForeignScan(ForeignScanState *node);
extern void ExecForeignScanEstimate(ForeignScanState *node,
ParallelContext *pcxt);
extern void ExecForeignScanInitializeDSM(ForeignScanState *node,
ParallelContext *pcxt);
extern void ExecForeignScanReInitializeDSM(ForeignScanState *node,
ParallelContext *pcxt);
extern void ExecForeignScanInitializeWorker(ForeignScanState *node,
ParallelWorkerContext *pwcxt);
extern void ExecShutdownForeignScan(ForeignScanState *node);
#endif /* NODEFOREIGNSCAN_H */
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