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/*-------------------------------------------------------------------------
*
* inval.h--
* POSTGRES cache invalidation dispatcher definitions.
*
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: inval.h,v 1.4 1997/08/19 21:40:37 momjian 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
#endif /* INVAL_H */
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