src/include/executor/nodeGroup.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * nodeGroup.h
   4  *        prototypes for nodeGroup.c
   5  *
   6  *
   7  * Portions Copyright (c) 1996-2000, PostgreSQL, Inc
   8  * Portions Copyright (c) 1994, Regents of the University of California
   9  *
  10  * $Id: nodeGroup.h,v 1.17 2000/07/12 02:37:30 tgl Exp $
  11  *
  12  *-------------------------------------------------------------------------
  13  */
  14 #ifndef NODEGROUP_H
  15 #define NODEGROUP_H
  16
  17 #include "nodes/plannodes.h"
  18
  19 extern TupleTableSlot *ExecGroup(Group *node);
  20 extern bool ExecInitGroup(Group *node, EState *estate, Plan *parent);
  21 extern int      ExecCountSlotsGroup(Group *node);
  22 extern void ExecEndGroup(Group *node);
  23 extern void ExecReScanGroup(Group *node, ExprContext *exprCtxt, Plan *parent);
  24
  25 extern bool execTuplesMatch(HeapTuple tuple1,
  26                                 HeapTuple tuple2,
  27                                 TupleDesc tupdesc,
  28                                 int numCols,
  29                                 AttrNumber *matchColIdx,
  30                                 FmgrInfo *eqfunctions,
  31                                 MemoryContext evalContext);
  32 extern FmgrInfo *execTuplesMatchPrepare(TupleDesc tupdesc,
  33                                            int numCols,
  34                                            AttrNumber *matchColIdx);
  35
  36 #endif   /* NODEGROUP_H */