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syscache.h
/*------------------------------------------------------------------------- * * 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 */