granicus.if.org Git - postgresql/blob - src/include/executor/nodeSeqscan.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * nodeSeqscan.h
   4  *
   5  *
   6  *
   7  * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
   8  * Portions Copyright (c) 1994, Regents of the University of California
   9  *
  10  * src/include/executor/nodeSeqscan.h
  11  *
  12  *-------------------------------------------------------------------------
  13  */
  14 #ifndef NODESEQSCAN_H
  15 #define NODESEQSCAN_H
  16
  17 #include "access/parallel.h"
  18 #include "nodes/execnodes.h"
  19
  20 extern SeqScanState *ExecInitSeqScan(SeqScan *node, EState *estate, int eflags);
  21 extern void ExecEndSeqScan(SeqScanState *node);
  22 extern void ExecReScanSeqScan(SeqScanState *node);
  23
  24 /* parallel scan support */
  25 extern void ExecSeqScanEstimate(SeqScanState *node, ParallelContext *pcxt);
  26 extern void ExecSeqScanInitializeDSM(SeqScanState *node, ParallelContext *pcxt);
  27 extern void ExecSeqScanReInitializeDSM(SeqScanState *node, ParallelContext *pcxt);
  28 extern void ExecSeqScanInitializeWorker(SeqScanState *node,
  29                                                                                 ParallelWorkerContext *pwcxt);
  30
  31 #endif                                                  /* NODESEQSCAN_H */