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/*-------------------------------------------------------------------------
*
* joininfo.h
* prototypes for joininfo.c.
*
*
* Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/optimizer/joininfo.h,v 1.37 2009/01/01 17:24:00 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef JOININFO_H
#define JOININFO_H
#include "nodes/relation.h"
extern bool have_relevant_joinclause(PlannerInfo *root,
RelOptInfo *rel1, RelOptInfo *rel2);
extern void add_join_clause_to_rels(PlannerInfo *root,
RestrictInfo *restrictinfo,
Relids join_relids);
extern void remove_join_clause_from_rels(PlannerInfo *root,
RestrictInfo *restrictinfo,
Relids join_relids);
#endif /* JOININFO_H */