src/include/executor/nodeMergejoin.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * nodeMergejoin.h
   4  *
   5  *
   6  *
   7  * Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
   8  * Portions Copyright (c) 1994, Regents of the University of California
   9  *
  10  * $PostgreSQL$
  11  *
  12  *-------------------------------------------------------------------------
  13  */
  14 #ifndef NODEMERGEJOIN_H
  15 #define NODEMERGEJOIN_H
  16
  17 #include "nodes/execnodes.h"
  18
  19 extern int      ExecCountSlotsMergeJoin(MergeJoin *node);
  20 extern MergeJoinState *ExecInitMergeJoin(MergeJoin *node, EState *estate, int eflags);
  21 extern TupleTableSlot *ExecMergeJoin(MergeJoinState *node);
  22 extern void ExecEndMergeJoin(MergeJoinState *node);
  23 extern void ExecReScanMergeJoin(MergeJoinState *node, ExprContext *exprCtxt);
  24
  25 #endif   /* NODEMERGEJOIN_H */