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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) 1996-2012, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/utils/syscache.h
*
*-------------------------------------------------------------------------
*/
#ifndef SYSCACHE_H
#define SYSCACHE_H
#include "utils/catcache.h"
/*
* SysCache identifiers.
*
* The order of these identifiers must match the order
* of the entries in the array cacheinfo[] in syscache.c.
* Keep them in alphabetical order (renumbering only costs a
* backend rebuild).
*/
enum SysCacheIdentifier
{
AGGFNOID = 0,
AMNAME,
AMOID,
AMOPOPID,
AMOPSTRATEGY,
AMPROCNUM,
ATTNAME,
ATTNUM,
AUTHMEMMEMROLE,
AUTHMEMROLEMEM,
AUTHNAME,
AUTHOID,
CASTSOURCETARGET,
CLAAMNAMENSP,
CLAOID,
COLLNAMEENCNSP,
COLLOID,
CONDEFAULT,
CONNAMENSP,
CONSTROID,
CONVOID,
DATABASEOID,
DEFACLROLENSPOBJ,
ENUMOID,
ENUMTYPOIDNAME,
FOREIGNDATAWRAPPERNAME,
FOREIGNDATAWRAPPEROID,
FOREIGNSERVERNAME,
FOREIGNSERVEROID,
FOREIGNTABLEREL,
INDEXRELID,
LANGNAME,
LANGOID,
NAMESPACENAME,
NAMESPACEOID,
OPERNAMENSP,
OPEROID,
OPFAMILYAMNAMENSP,
OPFAMILYOID,
PROCNAMEARGSNSP,
PROCOID,
RANGETYPE,
RELNAMENSP,
RELOID,
RULERELNAME,
STATRELATTINH,
TABLESPACEOID,
TSCONFIGMAP,
TSCONFIGNAMENSP,
TSCONFIGOID,
TSDICTNAMENSP,
TSDICTOID,
TSPARSERNAMENSP,
TSPARSEROID,
TSTEMPLATENAMENSP,
TSTEMPLATEOID,
TYPENAMENSP,
TYPEOID,
USERMAPPINGOID,
USERMAPPINGUSERSERVER
};
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 HeapTuple SearchSysCacheAttName(Oid relid, const char *attname);
extern HeapTuple SearchSysCacheCopyAttName(Oid relid, const char *attname);
extern bool SearchSysCacheExistsAttName(Oid relid, const char *attname);
extern Datum SysCacheGetAttr(int cacheId, HeapTuple tup,
AttrNumber attributeNumber, bool *isNull);
extern uint32 GetSysCacheHashValue(int cacheId,
Datum key1, Datum key2, Datum key3, Datum key4);
/* 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);
extern bool RelationSupportsSysCache(Oid relid);
/*
* The use of the macros below rather than direct calls to the corresponding
* functions is encouraged, as it insulates the caller from changes in the
* maximum number of keys.
*/
#define SearchSysCache1(cacheId, key1) \
SearchSysCache(cacheId, key1, 0, 0, 0)
#define SearchSysCache2(cacheId, key1, key2) \
SearchSysCache(cacheId, key1, key2, 0, 0)
#define SearchSysCache3(cacheId, key1, key2, key3) \
SearchSysCache(cacheId, key1, key2, key3, 0)
#define SearchSysCache4(cacheId, key1, key2, key3, key4) \
SearchSysCache(cacheId, key1, key2, key3, key4)
#define SearchSysCacheCopy1(cacheId, key1) \
SearchSysCacheCopy(cacheId, key1, 0, 0, 0)
#define SearchSysCacheCopy2(cacheId, key1, key2) \
SearchSysCacheCopy(cacheId, key1, key2, 0, 0)
#define SearchSysCacheCopy3(cacheId, key1, key2, key3) \
SearchSysCacheCopy(cacheId, key1, key2, key3, 0)
#define SearchSysCacheCopy4(cacheId, key1, key2, key3, key4) \
SearchSysCacheCopy(cacheId, key1, key2, key3, key4)
#define SearchSysCacheExists1(cacheId, key1) \
SearchSysCacheExists(cacheId, key1, 0, 0, 0)
#define SearchSysCacheExists2(cacheId, key1, key2) \
SearchSysCacheExists(cacheId, key1, key2, 0, 0)
#define SearchSysCacheExists3(cacheId, key1, key2, key3) \
SearchSysCacheExists(cacheId, key1, key2, key3, 0)
#define SearchSysCacheExists4(cacheId, key1, key2, key3, key4) \
SearchSysCacheExists(cacheId, key1, key2, key3, key4)
#define GetSysCacheOid1(cacheId, key1) \
GetSysCacheOid(cacheId, key1, 0, 0, 0)
#define GetSysCacheOid2(cacheId, key1, key2) \
GetSysCacheOid(cacheId, key1, key2, 0, 0)
#define GetSysCacheOid3(cacheId, key1, key2, key3) \
GetSysCacheOid(cacheId, key1, key2, key3, 0)
#define GetSysCacheOid4(cacheId, key1, key2, key3, key4) \
GetSysCacheOid(cacheId, key1, key2, key3, key4)
#define GetSysCacheHashValue1(cacheId, key1) \
GetSysCacheHashValue(cacheId, key1, 0, 0, 0)
#define GetSysCacheHashValue2(cacheId, key1, key2) \
GetSysCacheHashValue(cacheId, key1, key2, 0, 0)
#define GetSysCacheHashValue3(cacheId, key1, key2, key3) \
GetSysCacheHashValue(cacheId, key1, key2, key3, 0)
#define GetSysCacheHashValue4(cacheId, key1, key2, key3, key4) \
GetSysCacheHashValue(cacheId, key1, key2, key3, key4)
#define SearchSysCacheList1(cacheId, key1) \
SearchSysCacheList(cacheId, 1, key1, 0, 0, 0)
#define SearchSysCacheList2(cacheId, key1, key2) \
SearchSysCacheList(cacheId, 2, key1, key2, 0, 0)
#define SearchSysCacheList3(cacheId, key1, key2, key3) \
SearchSysCacheList(cacheId, 3, key1, key2, key3, 0)
#define SearchSysCacheList4(cacheId, key1, key2, key3, key4) \
SearchSysCacheList(cacheId, 4, key1, key2, key3, key4)
#define ReleaseSysCacheList(x) ReleaseCatCacheList(x)
#endif /* SYSCACHE_H */