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32 lines
1.0 KiB
C
32 lines
1.0 KiB
C
/*-------------------------------------------------------------------------
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*
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* restrictinfo.h
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* prototypes for restrictinfo.c.
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*
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*
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* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $Id: restrictinfo.h,v 1.19 2003/08/04 02:40:14 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef RESTRICTINFO_H
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#define RESTRICTINFO_H
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#include "nodes/relation.h"
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extern bool restriction_is_or_clause(RestrictInfo *restrictinfo);
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extern List *get_actual_clauses(List *restrictinfo_list);
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extern void get_actual_join_clauses(List *restrictinfo_list,
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List **joinquals, List **otherquals);
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extern List *remove_redundant_join_clauses(Query *root,
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List *restrictinfo_list,
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JoinType jointype);
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extern List *select_nonredundant_join_clauses(Query *root,
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List *restrictinfo_list,
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List *reference_list,
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JoinType jointype);
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#endif /* RESTRICTINFO_H */
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