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/*-------------------------------------------------------------------------
*
* keys.h--
* prototypes for keys.c.
*
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: keys.h,v 1.4 1997/09/08 02:37:51 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef KEYS_H
#define KEYS_H
extern bool match_indexkey_operand(int indexkey, Var * operand, Rel * rel);
extern Var *extract_subkey(JoinKey * jk, int which_subkey);
extern bool samekeys(List * keys1, List * keys2);
extern List *collect_index_pathkeys(int *index_keys, List * tlist);
#endif /* KEYS_H */
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