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/*-------------------------------------------------------------------------
*
* relcache.h
* Relation descriptor cache definitions.
*
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: relcache.h,v 1.12 1999/05/01 19:09:43 tgl Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef RELCACHE_H
#define RELCACHE_H
#include <utils/rel.h>
/*
* relation lookup routines
*/
extern Relation RelationIdCacheGetRelation(Oid relationId);
extern Relation RelationIdGetRelation(Oid relationId);
extern Relation RelationNameGetRelation(char *relationName);
extern void RelationClose(Relation relation);
extern void RelationForgetRelation(Oid rid);
extern void RelationIdInvalidateRelationCacheByRelationId(Oid relationId);
extern void RelationIdInvalidateRelationCacheByAccessMethodId(Oid accessMethodId);
extern void RelationCacheInvalidate(bool onlyFlushReferenceCountZero);
extern void RelationRegisterRelation(Relation relation);
extern void RelationPurgeLocalRelation(bool xactComitted);
extern void RelationInitialize(void);
/*
* both vacuum.c and relcache.c need to know the name of the relcache init file
*/
#define RELCACHE_INIT_FILENAME "pg_internal.init"
#endif /* RELCACHE_H */
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