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/*-------------------------------------------------------------------------
*
* ordering.h
* prototypes for ordering.c.
*
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: ordering.h,v 1.13 1999/02/13 23:21:49 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef ORDERING_H
#define ORDERING_H
#include <nodes/relation.h>
extern bool pathorder_match(PathOrder *path_ordering1,
PathOrder *path_ordering2, int *better_sort);
extern bool equal_path_merge_ordering(Oid *path_ordering,
MergeOrder *merge_ordering);
extern bool equal_merge_ordering(MergeOrder *merge_ordering1,
MergeOrder *merge_ordering2);
#endif /* ORDERING_H */
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