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/* ------------------------------------------------------------------------ * * nodeCustom.h * * prototypes for CustomScan nodes * * Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * * ------------------------------------------------------------------------ */ #ifndef NODECUSTOM_H #define NODECUSTOM_H #include "access/parallel.h" #include "nodes/execnodes.h" /* * General executor code */ extern CustomScanState *ExecInitCustomScan(CustomScan *cscan, EState *estate, int eflags); extern void ExecEndCustomScan(CustomScanState *node); extern void ExecReScanCustomScan(CustomScanState *node); extern void ExecCustomMarkPos(CustomScanState *node); extern void ExecCustomRestrPos(CustomScanState *node); /* * Parallel execution support */ extern void ExecCustomScanEstimate(CustomScanState *node, ParallelContext *pcxt); extern void ExecCustomScanInitializeDSM(CustomScanState *node, ParallelContext *pcxt); extern void ExecCustomScanReInitializeDSM(CustomScanState *node, ParallelContext *pcxt); extern void ExecCustomScanInitializeWorker(CustomScanState *node, ParallelWorkerContext *pwcxt); extern void ExecShutdownCustomScan(CustomScanState *node); #endif /* NODECUSTOM_H */