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/*-------------------------------------------------------------------------
*
* syscache.h
* System catalog cache definitions.
*
* See also lsyscache.h, which provides convenience routines for
* common cache-lookup operations.
*
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: syscache.h,v 1.26 2000/06/17 04:56:29 tgl 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 ATTNAME 4
#define ATTNUM 5
#define CLADEFTYPE 6
#define CLANAME 7
#define GRONAME 8
#define GROSYSID 9
#define INDEXRELID 10
#define INHRELID 11
#define LANGNAME 12
#define LANGOID 13
#define LISTENREL 14
#define OPERNAME 15
#define OPEROID 16
#define PROCNAME 17
#define PROCOID 18
#define RELNAME 19
#define RELOID 20
#define RULENAME 21
#define RULEOID 22
#define SHADOWNAME 23
#define SHADOWSYSID 24
#define STATRELID 25
#define TYPENAME 26
#define TYPEOID 27
extern void zerocaches(void);
extern void InitCatalogCache(void);
extern HeapTuple SearchSysCacheTuple(int cacheId,
Datum key1, Datum key2, Datum key3, Datum key4);
extern HeapTuple SearchSysCacheTupleCopy(int cacheId,
Datum key1, Datum key2, Datum key3, Datum key4);
extern Datum SysCacheGetAttr(int cacheId, HeapTuple tup,
AttrNumber attributeNumber, bool *isNull);
#endif /* SYSCACHE_H */
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