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| Current File : //usr/local/include/postgresql/server/optimizer/restrictinfo.h |
/*------------------------------------------------------------------------- * * restrictinfo.h * prototypes for restrictinfo.c. * * * Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * * $PostgreSQL: pgsql/src/include/optimizer/restrictinfo.h,v 1.41.2.1 2009/04/16 20:42:28 tgl Exp $ * *------------------------------------------------------------------------- */ #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) extern RestrictInfo *make_restrictinfo(Expr *clause, bool is_pushed_down, bool outerjoin_delayed, bool pseudoconstant, Relids required_relids, Relids nullable_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 List *extract_actual_clauses(List *restrictinfo_list, bool pseudoconstant); extern void extract_actual_join_clauses(List *restrictinfo_list, List **joinquals, List **otherquals); extern List *select_nonredundant_join_clauses(PlannerInfo *root, List *restrictinfo_list, List *reference_list); #endif /* RESTRICTINFO_H */