mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-09-08 02:59:22 +02:00
37 lines
1.3 KiB
C
37 lines
1.3 KiB
C
/*-------------------------------------------------------------------------
|
|
*
|
|
* restrictinfo.h
|
|
* prototypes for restrictinfo.c.
|
|
*
|
|
*
|
|
* Portions Copyright (c) 1996-2004, PostgreSQL Global Development Group
|
|
* Portions Copyright (c) 1994, Regents of the University of California
|
|
*
|
|
* $PostgreSQL: pgsql/src/include/optimizer/restrictinfo.h,v 1.25 2004/08/29 05:06:57 momjian Exp $
|
|
*
|
|
*-------------------------------------------------------------------------
|
|
*/
|
|
#ifndef RESTRICTINFO_H
|
|
#define RESTRICTINFO_H
|
|
|
|
#include "nodes/relation.h"
|
|
|
|
extern RestrictInfo *make_restrictinfo(Expr *clause, bool is_pushed_down,
|
|
bool valid_everywhere);
|
|
extern List *make_restrictinfo_from_indexclauses(List *indexclauses,
|
|
bool is_pushed_down,
|
|
bool valid_everywhere);
|
|
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(Query *root,
|
|
List *restrictinfo_list,
|
|
JoinType jointype);
|
|
extern List *select_nonredundant_join_clauses(Query *root,
|
|
List *restrictinfo_list,
|
|
List *reference_list,
|
|
JoinType jointype);
|
|
|
|
#endif /* RESTRICTINFO_H */
|