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95 lines
2.7 KiB
C
95 lines
2.7 KiB
C
/*-------------------------------------------------------------------------
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*
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* syscache.h
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* System catalog cache definitions.
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*
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* See also lsyscache.h, which provides convenience routines for
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* common cache-lookup operations.
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*
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* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $PostgreSQL: pgsql/src/include/utils/syscache.h,v 1.61 2005/10/15 02:49:46 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef SYSCACHE_H
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#define SYSCACHE_H
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#include "access/htup.h"
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/*
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* Declarations for util/syscache.c.
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*
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* SysCache identifiers.
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*
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* The order of these must match the order
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* they are entered into the structure cacheinfo[] in syscache.c.
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* Keep them in alphabetical order.
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*/
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#define AGGFNOID 0
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#define AMNAME 1
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#define AMOID 2
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#define AMOPOPID 3
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#define AMOPSTRATEGY 4
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#define AMPROCNUM 5
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#define ATTNAME 6
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#define ATTNUM 7
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#define AUTHMEMMEMROLE 8
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#define AUTHMEMROLEMEM 9
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#define AUTHNAME 10
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#define AUTHOID 11
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#define CASTSOURCETARGET 12
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#define CLAAMNAMENSP 13
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#define CLAOID 14
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#define CONDEFAULT 15
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#define CONNAMENSP 16
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#define CONOID 17
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#define INDEXRELID 18
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#define INHRELID 19
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#define LANGNAME 20
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#define LANGOID 21
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#define NAMESPACENAME 22
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#define NAMESPACEOID 23
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#define OPERNAMENSP 24
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#define OPEROID 25
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#define PROCNAMEARGSNSP 26
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#define PROCOID 27
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#define RELNAMENSP 28
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#define RELOID 29
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#define RULERELNAME 30
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#define STATRELATT 31
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#define TYPENAMENSP 32
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#define TYPEOID 33
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extern void InitCatalogCache(void);
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extern void InitCatalogCachePhase2(void);
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extern HeapTuple SearchSysCache(int cacheId,
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Datum key1, Datum key2, Datum key3, Datum key4);
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extern void ReleaseSysCache(HeapTuple tuple);
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/* convenience routines */
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extern HeapTuple SearchSysCacheCopy(int cacheId,
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Datum key1, Datum key2, Datum key3, Datum key4);
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extern bool SearchSysCacheExists(int cacheId,
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Datum key1, Datum key2, Datum key3, Datum key4);
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extern Oid GetSysCacheOid(int cacheId,
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Datum key1, Datum key2, Datum key3, Datum key4);
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extern HeapTuple SearchSysCacheAttName(Oid relid, const char *attname);
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extern HeapTuple SearchSysCacheCopyAttName(Oid relid, const char *attname);
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extern bool SearchSysCacheExistsAttName(Oid relid, const char *attname);
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extern Datum SysCacheGetAttr(int cacheId, HeapTuple tup,
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AttrNumber attributeNumber, bool *isNull);
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/* list-search interface. Users of this must import catcache.h too */
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extern struct catclist *SearchSysCacheList(int cacheId, int nkeys,
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Datum key1, Datum key2, Datum key3, Datum key4);
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#define ReleaseSysCacheList(x) ReleaseCatCacheList(x)
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#endif /* SYSCACHE_H */
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