1 /*-------------------------------------------------------------------------
7 * Copyright (c) 1994, Regents of the University of California
9 * $Id: nodeMergejoin.h,v 1.2 1996/11/10 03:05:09 momjian Exp $
11 *-------------------------------------------------------------------------
13 #ifndef NODEMERGEJOIN_H
14 #define NODEMERGEJOIN_H
16 extern bool MergeCompare(List *eqQual, List *compareQual, ExprContext *econtext);
18 extern void ExecMergeTupleDumpInner(ExprContext *econtext);
20 extern void ExecMergeTupleDumpOuter(ExprContext *econtext);
22 extern void ExecMergeTupleDumpMarked(ExprContext *econtext,
23 MergeJoinState *mergestate);
25 extern void ExecMergeTupleDump(ExprContext *econtext,
26 MergeJoinState *mergestate);
28 extern TupleTableSlot *ExecMergeJoin(MergeJoin *node);
30 extern bool ExecInitMergeJoin(MergeJoin *node, EState *estate, Plan *parent);
32 extern int ExecCountSlotsMergeJoin(MergeJoin *node);
34 extern void ExecEndMergeJoin(MergeJoin *node);
36 #endif /* NODEMERGEJOIN_H; */