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/*-------------------------------------------------------------------------
*
* 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 */
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