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/*-------------------------------------------------------------------------
*
* inval.h
* POSTGRES cache invalidation dispatcher definitions.
*
*
* Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/utils/inval.h,v 1.40 2007/01/05 22:19:59 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef INVAL_H
#define INVAL_H
#include "access/htup.h"
#include "utils/rel.h"
typedef void (*CacheCallbackFunction) (Datum arg, Oid relid);
extern void AcceptInvalidationMessages(void);
extern void AtStart_Inval(void);
extern void AtSubStart_Inval(void);
extern void AtEOXact_Inval(bool isCommit);
extern void AtEOSubXact_Inval(bool isCommit);
extern void AtPrepare_Inval(void);
extern void PostPrepare_Inval(void);
extern void CommandEndInvalidationMessages(void);
extern void CacheInvalidateHeapTuple(Relation relation, HeapTuple tuple);
extern void CacheInvalidateRelcache(Relation relation);
extern void CacheInvalidateRelcacheByTuple(HeapTuple classTuple);
extern void CacheInvalidateRelcacheByRelid(Oid relid);
extern void CacheRegisterSyscacheCallback(int cacheid,
CacheCallbackFunction func,
Datum arg);
extern void CacheRegisterRelcacheCallback(CacheCallbackFunction func,
Datum arg);
extern void inval_twophase_postcommit(TransactionId xid, uint16 info,
void *recdata, uint32 len);
#endif /* INVAL_H */
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