restrictinfo.h

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/*-------------------------------------------------------------------------
 *
 * restrictinfo.h
 *    prototypes for restrictinfo.c.
 *
 *
 * Portions Copyright (c) 1996-2023, 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/pathnodes.h"
 
 
/* Convenience macro for the common case of a valid-everywhere qual */
#define make_simple_restrictinfo(root, clause)  \
    make_restrictinfo(root, clause, true, false, 0, NULL, NULL)
 
extern RestrictInfo *make_restrictinfo(PlannerInfo *root,
                                       Expr *clause,
                                       bool is_pushed_down,
                                       bool pseudoconstant,
                                       Index security_level,
                                       Relids required_relids,
                                       Relids outer_relids);
extern RestrictInfo *commute_restrictinfo(RestrictInfo *rinfo, Oid comm_op);
extern bool restriction_is_or_clause(RestrictInfo *restrictinfo);
extern bool restriction_is_securely_promotable(RestrictInfo *restrictinfo,
                                               RelOptInfo *rel);
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,
                                        Relids joinrelids,
                                        List **joinquals,
                                        List **otherquals);
extern bool clause_is_computable_at(PlannerInfo *root,
                                    Relids clause_relids,
                                    Relids eval_relids);
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 */