postgres/src/include/utils/syscache.h
Tom Lane f2d70d32eb Functions live in namespaces. Qualified function names work, eg
SELECT schema1.func2(...).  Aggregate names can be qualified at the
syntactic level, but the qualification is ignored for the moment.
2002-04-09 20:35:55 +00:00

88 lines
2.4 KiB
C

/*-------------------------------------------------------------------------
*
* 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 1.43 2002/04/09 20:35:55 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 AGGOID 1
#define AMNAME 2
#define AMOID 3
#define AMOPOPID 4
#define AMOPSTRATEGY 5
#define AMPROCNUM 6
#define ATTNAME 7
#define ATTNUM 8
#define CLAAMNAME 9
#define CLAOID 10
#define GRONAME 11
#define GROSYSID 12
#define INDEXRELID 13
#define INHRELID 14
#define LANGNAME 15
#define LANGOID 16
#define NAMESPACENAME 17
#define NAMESPACEOID 18
#define OPERNAME 19
#define OPEROID 20
#define PROCNAMENSP 21
#define PROCOID 22
#define RELNAMENSP 23
#define RELOID 24
#define RULENAME 25
#define SHADOWNAME 26
#define SHADOWSYSID 27
#define STATRELATT 28
#define TYPENAMENSP 29
#define TYPEOID 30
extern void InitCatalogCache(void);
extern void InitCatalogCachePhase2(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);
/* list-search interface. Users of this must import catcache.h too */
extern struct catclist *SearchSysCacheList(int cacheId, int nkeys,
Datum key1, Datum key2, Datum key3, Datum key4);
#define ReleaseSysCacheList(x) ReleaseCatCacheList(x)
#endif /* SYSCACHE_H */