/*-------------------------------------------------------------------------
 *
 * ordering.h--
 *	  prototypes for ordering.c.
 *
 *
 * Copyright (c) 1994, Regents of the University of California
 *
 * $Id: ordering.h,v 1.8 1998/02/26 04:42:15 momjian Exp $
 *
 *-------------------------------------------------------------------------
 */
#ifndef ORDERING_H
#define ORDERING_H

#include <nodes/relation.h>

extern bool
equal_path_path_ordering(PathOrder *path_ordering1,
						 PathOrder *path_ordering2);
extern bool
equal_path_merge_ordering(Oid *path_ordering,
						  MergeOrder *merge_ordering);
extern bool
equal_merge_merge_ordering(MergeOrder *merge_ordering1,
						   MergeOrder *merge_ordering2);

#endif							/* ORDERING_H */
