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649b5ec7c8
and teach ANALYZE to compute such stats for tables that have subclasses. Per my proposal of yesterday. autovacuum still needs to be taught about running ANALYZE on parent tables when their subclasses change, but the feature is useful even without that.
118 lines
2.8 KiB
C
118 lines
2.8 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) 1996-2009, 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 1.76 2009/12/29 20:11:45 tgl 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 "utils/catcache.h"
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/*
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* SysCache identifiers.
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*
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* The order of these identifiers must match the order
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* of the entries in the array cacheinfo[] in syscache.c.
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* Keep them in alphabetical order (renumbering only costs a
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* backend rebuild).
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*/
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enum SysCacheIdentifier
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{
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AGGFNOID = 0,
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AMNAME,
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AMOID,
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AMOPOPID,
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AMOPSTRATEGY,
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AMPROCNUM,
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ATTNAME,
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ATTNUM,
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AUTHMEMMEMROLE,
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AUTHMEMROLEMEM,
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AUTHNAME,
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AUTHOID,
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CASTSOURCETARGET,
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CLAAMNAMENSP,
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CLAOID,
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CONDEFAULT,
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CONNAMENSP,
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CONSTROID,
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CONVOID,
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DATABASEOID,
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DEFACLROLENSPOBJ,
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ENUMOID,
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ENUMTYPOIDNAME,
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FOREIGNDATAWRAPPERNAME,
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FOREIGNDATAWRAPPEROID,
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FOREIGNSERVERNAME,
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FOREIGNSERVEROID,
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INDEXRELID,
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LANGNAME,
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LANGOID,
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NAMESPACENAME,
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NAMESPACEOID,
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OPERNAMENSP,
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OPEROID,
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OPFAMILYAMNAMENSP,
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OPFAMILYOID,
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PROCNAMEARGSNSP,
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PROCOID,
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RELNAMENSP,
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RELOID,
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RULERELNAME,
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STATRELATTINH,
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TSCONFIGMAP,
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TSCONFIGNAMENSP,
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TSCONFIGOID,
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TSDICTNAMENSP,
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TSDICTOID,
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TSPARSERNAMENSP,
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TSPARSEROID,
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TSTEMPLATENAMENSP,
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TSTEMPLATEOID,
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TYPENAMENSP,
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TYPEOID,
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USERMAPPINGOID,
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USERMAPPINGUSERSERVER
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};
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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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