| /*------------------------------------------------------------------------- |
| * |
| * 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 */ |