head 1.12; access; symbols release_4_2:1.12 marc_alpha:1.11 aix_ok:1.11 Version_2_1:1.8 Version_2:1.5 C_Demo_1:1.4; locks; strict; comment @ * @; 1.12 date 94.02.07.11.46.31; author aoki; state Exp; branches; next 1.11; 1.11 date 93.08.10.01.46.51; author marc; state Exp; branches; next 1.10; 1.10 date 92.03.02.21.29.12; author mer; state Exp; branches; next 1.9; 1.9 date 91.11.11.15.59.30; author mer; state Exp; branches; next 1.8; 1.8 date 91.02.06.18.18.05; author cimarron; state Exp; branches; next 1.7; 1.7 date 90.08.18.00.40.55; author cimarron; state Exp; branches; next 1.6; 1.6 date 90.08.17.08.54.18; author cimarron; state Exp; branches; next 1.5; 1.5 date 90.06.07.18.20.09; author cimarron; state Version_2; branches; next 1.4; 1.4 date 89.09.05.17.04.35; author mao; state C_Demo_1; branches; next 1.3; 1.3 date 89.05.07.22.22.41; author dillon; state Exp; branches; next 1.2; 1.2 date 89.01.31.16.32.32; author dillon; state Stab; branches; next 1.1; 1.1 date 89.01.17.05.53.55; author cimarron; state Exp; branches; next ; desc @@ 1.12 log @proto fixes @ text @/* * catcache.h -- * Low-level catalog cache definitions. * * Identification: * $Header: /faerie/aoki/postgres/src/backend/utils/RCS/catcache.h,v 1.11 1993/08/10 01:46:51 marc Exp aoki $ */ #ifndef CatCacheIncluded /* Include this file only once */ #define CatCacheIncluded 1 /* #define CACHEDEBUG /* turns DEBUG elogs on */ #include "tmp/postgres.h" #include "access/skey.h" #include "access/htup.h" #include "utils/rel.h" #include "tmp/simplelists.h" /* * struct catctup: tuples in the cache. * struct catcache: information for managing a cache. */ typedef struct catctup { HeapTuple ct_tup; /* A pointer to a tuple */ SLNode ct_node; /* Doubly linked list node */ SLNode ct_lrunode; /* ditto, for LRU algorithm */ } CatCTup; typedef struct catcache { ObjectId relationId; ObjectId indexId; char *cc_relname; /* relation name for defered open */ char *cc_indname; /* index name for defered open */ HeapTuple (*cc_iscanfunc)(); /* index scanfunction */ TupleDescriptor cc_tupdesc; /* tuple descriptor from reldesc */ int id; /* XXX could be improved -hirohama */ short cc_ntup; /* # of tuples in this cache */ short cc_maxtup; /* max # of tuples allowed (LRU)*/ short cc_nkeys; short cc_size; short cc_key[4]; short cc_klen[4]; struct skey cc_skey[4]; struct catcache *cc_next; SLList cc_lrulist; /* LRU list, most recent first */ SLList cc_cache[1]; /* Extended over NCCBUCK+1 elmnts*/ /* used to be: struct catctup */ } CatCache; #define InvalidCatalogCacheId (-1) extern struct catcache *Caches; extern void CatalogCacheInitializeCache ARGS((struct catcache *cache, Relation relation)); extern void CatalogCacheSetId ARGS((CatCache *cacheInOutP, int id)); extern long comphash ARGS((long l, char *v)); extern Index CatalogCacheComputeHashIndex ARGS((struct catcache *cacheInP)); extern Index CatalogCacheComputeTupleHashIndex ARGS((struct catcache *cacheInOutP, Relation relation, HeapTuple tuple)); extern void CatCacheRemoveCTup ARGS((CatCache *cache, CatCTup *ct)); extern void CatalogCacheIdInvalidate ARGS((int cacheId, Index hashIndex, ItemPointer pointer)); extern void ResetSystemCache ARGS((void)); extern struct catcache *InitIndexedSysCache ARGS((char *relname, char *indname, int nkeys, int key[], HeapTuple (*iScanfuncP)())); extern struct catcache *InitSysCache ARGS((char *relname, Name *indname, int nkeys, int key[], HeapTuple (*iScanfuncP)())); extern HeapTuple SearchSysCache ARGS((struct catcache *cache, DATUM v1, DATUM v2, DATUM v3, DATUM v4)); extern void RelationInvalidateCatalogCacheTuple ARGS((Relation relation, HeapTuple tuple, void (*function)())); #endif /* !defined(CatCacheIncluded) */ @ 1.11 log @alpha port @ text @d6 1 a6 1 * $Header: /usr/local/devel/postgres.alpha.merge/src/backend/utils/RCS/catcache.h,v 1.10 1992/03/02 21:29:12 mer Exp marc $ d57 12 a68 86 /* * InitSysCache -- */ extern struct catcache * InitSysCache ARGS(( char *relname, Name *indname, long nkeys , long key [], HeapTuple (*iScanfuncP)() )); /* * ResetSystemCache -- * Causes the entire cached system state to be discarded. */ extern void ResetSystemCache ARGS(( void )); /* * SearchSysCache -- */ extern HeapTuple SearchSysCache ARGS(( struct catcache *cache, DATUM v1, DATUM v2, DATUM v3, DATUM v4 )); /* * RelationIdInvalidateCatalogCacheTuple -- */ extern void RelationIdInvalidateCatalogCacheTuple ARGS(( ObjectId relationId, HeapTuple tuple, void (*function)() )); /* * CatalogCacheIdInvalidate -- */ extern void CatalogCacheIdInvalidate ARGS(( int cacheId, Index hashIndex, ItemPointer pointer )); /* * CatalogCacheComputeTupleHashIndex -- */ Index CatalogCacheComputeTupleHashIndex ARGS(( struct catcache *cacheInOutP, Relation relation, HeapTuple tuple )); /* * CatalogCacheSetId -- * XXX This is a temporary function. */ extern void CatalogCacheSetId ARGS((CatCache *cacheInOutP , int id )); void CatalogCacheInitializeCache ARGS(( struct catcache *cache, Relation relation )); long comphash ARGS((int l , char *v )); Index CatalogCacheComputeHashIndex ARGS((struct catcache *cacheInP )); void CatCacheRemoveCTup ARGS((CatCache *cache , CatCTup *ct )); struct catcache *InitIndexedSysCache ARGS(( char *relname, char *indname, long nkeys, long key [], HeapTuple (*iScanfuncP)() )); @ 1.10 log @add a scan func to the cache struct that knows how to do index scans on the system catalog associated with the cache. @ text @d6 1 a6 1 * $Header: /users/mer/pg/src/lib/H/utils/RCS/catcache.h,v 1.9 1991/11/11 15:59:30 mer Exp mer $ d62 1 a62 1 InitSysCache ARGS(( char *relname, Name *indname, int nkeys , int key [], HeapTuple (*iScanfuncP)() )); d130 1 a130 1 int comphash ARGS((int l , char *v )); d139 2 a140 2 int nkeys, int key [], @ 1.9 log @prototyping changes @ text @d6 1 a6 1 * $Header: RCS/catcache.h,v 1.8 91/02/06 18:18:05 cimarron Exp Locker: mer $ d37 1 d62 1 a62 1 InitSysCache ARGS((char *relname , int nkeys , int key [])); d140 2 a141 1 int key [] @ 1.8 log @preliminary checkin for access method and system cache changes @ text @d6 1 a6 1 * $Header: RCS/catcache.h,v 1.7 90/08/18 00:40:55 cimarron Exp Locker: cimarron $ d61 1 a61 5 InitSysCache ARGS(( Name relationName, int numberOfAttributes, int key[] )); d81 1 a81 1 DATUM v2 d94 1 a94 5 void (*function)( int cacheId, /* XXX */ Index hashIndex, ItemPointer pointer ) d103 3 a105 3 int cacheId, /* XXX */ Index hashIndex, ItemPointer pointer d111 4 a114 4 Index CatalogCacheComputeTupleHashIndex ARGS(( struct catcache *cacheInOutP, HeapTuple tuple d122 18 a139 4 void CatalogCacheSetId ARGS(( struct catcache *cache, int id @ 1.7 log @eliminated less significant .h files @ text @d6 1 a6 1 * $Header: RCS/catcache.h,v 1.6 90/08/17 08:54:18 cimarron Exp Locker: cimarron $ d34 4 a37 1 char *cc_relname; /* relation name for defered open */ @ 1.6 log @added pathnames to #include statements @ text @d6 1 a6 1 * $Header: RCS/catcache.h,v 1.5 90/06/07 18:20:09 cimarron Version_2 Locker: cimarron $ d14 2 a17 1 #include "tmp/oid.h" @ 1.5 log @made changes to simplify header include files @ text @d6 1 a6 1 * $Header: RCS/catcache.h,v 1.4 89/09/05 17:04:35 mao C_Demo_1 $ d14 5 a18 5 #include "skey.h" #include "htup.h" #include "oid.h" #include "rel.h" #include "simplelists.h" @ 1.4 log @Working version of C-only demo @ text @d6 1 a6 1 * $Header: /usr6/postgres/mao/postgres/src/lib/H/RCS/catcache.h,v 1.3 89/05/07 22:22:41 dillon Exp $ d14 1 a14 1 #include "access.h" /* XXX struct skey */ @ 1.3 log @simplelist structures changed to use SL convention @ text @d6 1 a6 1 * $Header: catcache.h,v 1.2 89/01/31 16:32:32 dillon Locked $ @ 1.2 log @txfer from old tree @ text @d6 1 a6 1 * $Header: catcache.h,v 1.5 89/01/02 15:20:31 dillon Exp $ d27 2 a28 2 SimpleNode ct_node; /* Doubly linked list node */ SimpleNode ct_lrunode; /* ditto, for LRU algorithm */ d43 2 a44 2 SimpleList cc_lrulist; /* LRU list, most recent first */ SimpleList cc_cache[1]; /* Extended over NCCBUCK+1 elmnts*/ @ 1.1 log @Initial revision @ text @a0 27 ; /* ; * ; * POSTGRES Data Base Management System ; * ; * Copyright (c) 1988 Regents of the University of California ; * ; * Permission to use, copy, modify, and distribute this software and its ; * documentation for educational, research, and non-profit purposes and ; * without fee is hereby granted, provided that the above copyright ; * notice appear in all copies and that both that copyright notice and ; * this permission notice appear in supporting documentation, and that ; * the name of the University of California not be used in advertising ; * or publicity pertaining to distribution of the software without ; * specific, written prior permission. Permission to incorporate this ; * software into commercial products can be obtained from the Campus ; * Software Office, 295 Evans Hall, University of California, Berkeley, ; * Ca., 94720 provided only that the the requestor give the University ; * of California a free licence to any derived software for educational ; * and research purposes. The University of California makes no ; * representations about the suitability of this software for any ; * purpose. It is provided "as is" without express or implied warranty. ; * ; */ d6 1 a6 1 * $Header: catcache.h,v 1.1 88/11/11 16:36:58 postgres Exp $ d18 1 d25 5 a29 4 struct catctup { HeapTuple ct_tup; struct catctup *ct_next; }; d31 1 a31 1 struct catcache { d33 1 d35 2 d43 4 a46 2 struct catctup cc_cache[1]; }; @