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
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
/*-------------------------------------------------------------------------
*
* syscache.h
* System catalog cache definitions.
*
* See also lsyscache.h, which provides convenience routines for
* common cache-lookup operations.
*
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: syscache.h,v 1.34 2001/10/25 05:50:11 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef SYSCACHE_H
#define SYSCACHE_H
#include "access/htup.h"
/*
* Declarations for util/syscache.c.
*
* SysCache identifiers.
*
* The order of these must match the order
* they are entered into the structure cacheinfo[] in syscache.c.
* Keep them in alphabetical order.
*/
#define AGGNAME 0
#define AMNAME 1
#define AMOPOPID 2
#define AMOPSTRATEGY 3
#define AMPROCNUM 4
#define ATTNAME 5
#define ATTNUM 6
#define CLAAMNAME 7
#define CLAOID 8
#define GRONAME 9
#define GROSYSID 10
#define INDEXRELID 11
#define INHRELID 12
#define LANGNAME 13
#define LANGOID 14
#define OPERNAME 15
#define OPEROID 16
#define PROCNAME 17
#define PROCOID 18
#define RELNAME 19
#define RELOID 20
#define RULENAME 21
#define SHADOWNAME 22
#define SHADOWSYSID 23
#define STATRELATT 24
#define TYPENAME 25
#define TYPEOID 26
extern void InitCatalogCache(void);
extern HeapTuple SearchSysCache(int cacheId,
Datum key1, Datum key2, Datum key3, Datum key4);
extern void ReleaseSysCache(HeapTuple tuple);
/* convenience routines */
extern HeapTuple SearchSysCacheCopy(int cacheId,
Datum key1, Datum key2, Datum key3, Datum key4);
extern bool SearchSysCacheExists(int cacheId,
Datum key1, Datum key2, Datum key3, Datum key4);
extern Oid GetSysCacheOid(int cacheId,
Datum key1, Datum key2, Datum key3, Datum key4);
extern Datum SysCacheGetAttr(int cacheId, HeapTuple tup,
AttrNumber attributeNumber, bool *isNull);
#endif /* SYSCACHE_H */
|
