1996-08-28 03:59:28 +02:00
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/*-------------------------------------------------------------------------
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*
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1999-02-14 00:22:53 +01:00
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* relcache.h
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1997-09-07 07:04:48 +02:00
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* Relation descriptor cache definitions.
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1996-08-28 03:59:28 +02:00
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*
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*
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2000-01-26 06:58:53 +01:00
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* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
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* Portions Copyright (c) 1994, Regents of the University of California
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1996-08-28 03:59:28 +02:00
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*
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2000-08-06 06:40:08 +02:00
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* $Id: relcache.h,v 1.21 2000/08/06 04:39:55 tgl Exp $
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1996-08-28 03:59:28 +02:00
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*
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*-------------------------------------------------------------------------
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*/
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1997-09-07 07:04:48 +02:00
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#ifndef RELCACHE_H
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1996-08-28 03:59:28 +02:00
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#define RELCACHE_H
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1999-07-16 01:04:24 +02:00
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#include "utils/rel.h"
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1996-08-28 03:59:28 +02:00
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/*
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* relation lookup routines
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*/
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extern Relation RelationIdGetRelation(Oid relationId);
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2000-01-22 15:20:56 +01:00
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extern Relation RelationNameGetRelation(const char *relationName);
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1996-08-28 03:59:28 +02:00
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2000-06-17 23:49:04 +02:00
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/* finds an existing cache entry, but won't make a new one */
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extern Relation RelationIdCacheGetRelation(Oid relationId);
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1997-09-08 04:41:22 +02:00
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extern void RelationClose(Relation relation);
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extern void RelationForgetRelation(Oid rid);
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1999-10-04 01:55:40 +02:00
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2000-06-17 23:49:04 +02:00
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/*
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* Routines to compute/retrieve additional cached information
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*/
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extern List *RelationGetIndexList(Relation relation);
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2000-08-06 06:40:08 +02:00
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/*
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* Routines for backend startup
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*/
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extern void RelationCacheInitialize(void);
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extern void RelationCacheInitializePhase2(void);
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1999-10-04 01:55:40 +02:00
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/*
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* Routines for flushing/rebuilding relcache entries in various scenarios
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*/
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1997-09-08 04:41:22 +02:00
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extern void RelationIdInvalidateRelationCacheByRelationId(Oid relationId);
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1996-08-28 03:59:28 +02:00
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2000-01-31 05:35:57 +01:00
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extern void RelationCacheInvalidate(void);
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1996-08-28 03:59:28 +02:00
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1997-09-08 04:41:22 +02:00
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extern void RelationRegisterRelation(Relation relation);
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extern void RelationPurgeLocalRelation(bool xactComitted);
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1996-08-28 03:59:28 +02:00
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1999-09-04 20:42:15 +02:00
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extern void RelationCacheAbort(void);
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1999-05-01 21:09:46 +02:00
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/*
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* both vacuum.c and relcache.c need to know the name of the relcache init file
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*/
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#define RELCACHE_INIT_FILENAME "pg_internal.init"
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1998-09-01 06:40:42 +02:00
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#endif /* RELCACHE_H */
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