| /*------------------------------------------------------------------------- |
| * |
| * relation.h |
| * Generic relation related routines. |
| * |
| * |
| * Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group |
| * Portions Copyright (c) 1994, Regents of the University of California |
| * |
| * src/include/access/relation.h |
| * |
| *------------------------------------------------------------------------- |
| */ |
| #ifndef ACCESS_RELATION_H |
| #define ACCESS_RELATION_H |
| |
| #include "nodes/primnodes.h" |
| #include "storage/lockdefs.h" |
| #include "utils/relcache.h" |
| |
| extern Relation relation_open(Oid relationId, LOCKMODE lockmode); |
| extern Relation try_relation_open(Oid relationId, LOCKMODE lockmode); |
| extern Relation relation_openrv(const RangeVar *relation, LOCKMODE lockmode); |
| extern Relation relation_openrv_extended(const RangeVar *relation, |
| LOCKMODE lockmode, bool missing_ok); |
| extern void relation_close(Relation relation, LOCKMODE lockmode); |
| |
| #endif /* ACCESS_RELATION_H */ |