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in schemas other than the system namespace; however, there's no search path yet, and not all operations work yet on tables outside the system namespace.
83 lines
2.2 KiB
C
83 lines
2.2 KiB
C
/*-------------------------------------------------------------------------
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*
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* relcache.h
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* Relation descriptor cache definitions.
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*
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*
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* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $Id: relcache.h,v 1.31 2002/03/26 19:16:59 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef RELCACHE_H
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#define RELCACHE_H
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#include "utils/rel.h"
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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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extern Relation RelationSysNameGetRelation(const char *relationName);
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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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extern Relation RelationNodeCacheGetRelation(RelFileNode rnode);
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extern void RelationClose(Relation relation);
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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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extern void RelationInitIndexAccessInfo(Relation relation);
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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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extern void RelationCacheInitializePhase3(void);
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/*
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* Routine to create a relcache entry for an about-to-be-created relation
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*/
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extern Relation RelationBuildLocalRelation(const char *relname,
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Oid relnamespace,
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TupleDesc tupDesc,
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Oid relid, Oid dbid,
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RelFileNode rnode,
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bool nailit);
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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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extern void RelationForgetRelation(Oid rid);
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extern void RelationIdInvalidateRelationCacheByRelationId(Oid relationId);
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extern void RelationCacheInvalidate(void);
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extern void RelationPurgeLocalRelation(bool xactComitted);
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extern void RelationCacheAbort(void);
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/*
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* Routines to help manage rebuilding of relcache init file
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*/
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extern bool RelationIdIsInInitFile(Oid relationId);
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extern void RelationCacheInitFileInvalidate(bool beforeSend);
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/* XLOG support */
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extern void CreateDummyCaches(void);
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extern void DestroyDummyCaches(void);
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/* should be used only by relcache.c and catcache.c */
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extern bool criticalRelcachesBuilt;
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#endif /* RELCACHE_H */
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