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24 lines
717 B
C
24 lines
717 B
C
/*-------------------------------------------------------------------------
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*
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* keys.h
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* prototypes for keys.c.
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*
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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* $Id: keys.h,v 1.13 1999/02/19 02:05:18 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef KEYS_H
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#define KEYS_H
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#include "nodes/nodes.h"
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#include "nodes/relation.h"
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extern bool match_indexkey_operand(int indexkey, Var *operand, RelOptInfo *rel);
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extern Var *extract_join_key(JoinKey *jk, int outer_or_inner);
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extern bool pathkeys_match(List *keys1, List *keys2, int *better_key);
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extern List *collect_index_pathkeys(int *index_keys, List *tlist);
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#endif /* KEYS_H */
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