1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
/*-------------------------------------------------------------------------
*
* inval.h--
* POSTGRES cache invalidation dispatcher definitions.
*
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: inval.h,v 1.1.1.1 1996/07/09 06:22:02 scrappy Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef INVAL_H
#define INVAL_H
#include "postgres.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 */