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/*-------------------------------------------------------------------------
*
* nodeMergejoin.h--
*
*
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: nodeMergejoin.h,v 1.1.1.1 1996/07/09 06:21:27 scrappy Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef NODEMERGEJOIN_H
#define NODEMERGEJOIN_H
#if 0 /* aren't these static? */
extern List MJFormOSortopI(List qualList, Oid sortOp);
extern List MJFormISortopO(List qualList, Oid sortOp);
#endif
extern bool MergeCompare(List *eqQual, List *compareQual, ExprContext *econtext);
extern void ExecMergeTupleDumpInner(ExprContext *econtext);
extern void ExecMergeTupleDumpOuter(ExprContext *econtext);
extern void ExecMergeTupleDumpMarked(ExprContext *econtext,
MergeJoinState *mergestate);
extern void ExecMergeTupleDump(ExprContext *econtext,
MergeJoinState *mergestate);
extern TupleTableSlot *ExecMergeJoin(MergeJoin *node);
extern bool ExecInitMergeJoin(MergeJoin *node, EState *estate, Plan *parent);
extern int ExecCountSlotsMergeJoin(MergeJoin *node);
extern void ExecEndMergeJoin(MergeJoin *node);
#endif /* NODEMERGEJOIN_H; */
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