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 | /*-------------------------------------------------------------------------
 *
 * inval.h--
 *    POSTGRES cache invalidation dispatcher definitions.
 *
 *
 * Copyright (c) 1994, Regents of the University of California
 *
 * $Id: inval.h,v 1.3 1996/11/04 11:51:18 scrappy Exp $
 *
 *-------------------------------------------------------------------------
 */
#ifndef	INVAL_H
#define INVAL_H
#include <access/htup.h>
#include <utils/rel.h>
extern void DiscardInvalid(void);
extern void RegisterInvalid(bool send);
extern void SetRefreshWhenInvalidate(bool on);
extern void RelationInvalidateHeapTuple(Relation relation, HeapTuple tuple);
/*
 * POSTGRES local cache invalidation definitions. (originates from linval.h)
 */
typedef struct InvalidationUserData {
	struct InvalidationUserData	*dataP[1];	/* VARIABLE LENGTH */
} InvalidationUserData;	/* VARIABLE LENGTH STRUCTURE */
typedef struct InvalidationEntryData {
	InvalidationUserData	*nextP;
	InvalidationUserData	userData;	/* VARIABLE LENGTH ARRAY */
} InvalidationEntryData;	/* VARIABLE LENGTH STRUCTURE */
typedef Pointer InvalidationEntry;
typedef InvalidationEntry	LocalInvalid;
#define EmptyLocalInvalid	NULL
extern InvalidationEntry InvalidationEntryAllocate(uint16 size);
extern LocalInvalid LocalInvalidRegister(LocalInvalid invalid,
					 InvalidationEntry entry);
extern void LocalInvalidInvalidate(LocalInvalid invalid, void (*function)());
extern void getmyrelids(void);
#endif	/* INVAL_H */
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