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/*-------------------------------------------------------------------------
*
* restrictinfo.h
* prototypes for restrictinfo.c.
*
*
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/optimizer/restrictinfo.h,v 1.34.2.2 2007/07/31 19:54:00 tgl Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef RESTRICTINFO_H
#define RESTRICTINFO_H
#include "nodes/relation.h"
extern RestrictInfo *make_restrictinfo(Expr *clause,
bool is_pushed_down,
bool outerjoin_delayed,
Relids required_relids);
extern List *make_restrictinfo_from_bitmapqual(Path *bitmapqual,
bool is_pushed_down,
bool include_predicates);
extern bool restriction_is_or_clause(RestrictInfo *restrictinfo);
extern List *get_actual_clauses(List *restrictinfo_list);
extern void get_actual_join_clauses(List *restrictinfo_list,
List **joinquals, List **otherquals);
extern List *remove_redundant_join_clauses(PlannerInfo *root,
List *restrictinfo_list,
Relids outer_relids,
Relids inner_relids,
bool isouterjoin);
extern List *select_nonredundant_join_clauses(PlannerInfo *root,
List *restrictinfo_list,
List *reference_list,
Relids outer_relids,
Relids inner_relids,
bool isouterjoin);
#endif /* RESTRICTINFO_H */
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