#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