/*-------------------------------------------------------------------------
 *
 * nodeUnique.h--
 *    
 *
 *
 * Copyright (c) 1994, Regents of the University of California
 *
 * $Id: nodeUnique.h,v 1.1.1.1 1996/07/09 06:21:28 scrappy Exp $
 *
 *-------------------------------------------------------------------------
 */
#ifndef	NODEUNIQUE_H
#define	NODEUNIQUE_H

extern TupleTableSlot *ExecUnique(Unique *node);
extern bool ExecInitUnique(Unique *node, EState *estate, Plan *parent);
extern int ExecCountSlotsUnique(Unique *node);
extern void ExecEndUnique(Unique *node);

#endif	/* NODEUNIQUE_H */