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- /*-------------------------------------------------------------------------
- *
- * restrictinfo.h
- * prototypes for restrictinfo.c.
- *
- *
- * Portions Copyright (c) 1996-2016, PostgreSQL Global Development Group
- * Portions Copyright (c) 1994, Regents of the University of California
- *
- * src/include/optimizer/restrictinfo.h
- *
- *-------------------------------------------------------------------------
- */
- #ifndef RESTRICTINFO_H
- #define RESTRICTINFO_H
- #include "nodes/relation.h"
- /* Convenience macro for the common case of a valid-everywhere qual */
- #define make_simple_restrictinfo(clause) \
- make_restrictinfo(clause, true, false, false, NULL, NULL, NULL)
- extern RestrictInfo *make_restrictinfo(Expr *clause,
- bool is_pushed_down,
- bool outerjoin_delayed,
- bool pseudoconstant,
- Relids required_relids,
- Relids outer_relids,
- Relids nullable_relids);
- extern List *make_restrictinfos_from_actual_clauses(PlannerInfo *root,
- List *clause_list);
- extern bool restriction_is_or_clause(RestrictInfo *restrictinfo);
- extern List *get_actual_clauses(List *restrictinfo_list);
- extern List *get_all_actual_clauses(List *restrictinfo_list);
- extern List *extract_actual_clauses(List *restrictinfo_list,
- bool pseudoconstant);
- extern void extract_actual_join_clauses(List *restrictinfo_list,
- List **joinquals,
- List **otherquals);
- extern bool join_clause_is_movable_to(RestrictInfo *rinfo, RelOptInfo *baserel);
- extern bool join_clause_is_movable_into(RestrictInfo *rinfo,
- Relids currentrelids,
- Relids current_and_outer);
- #endif /* RESTRICTINFO_H */
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