diff options
Diffstat (limited to 'src/backend/utils/cache/syscache.c')
| -rw-r--r-- | src/backend/utils/cache/syscache.c | 41 |
1 files changed, 36 insertions, 5 deletions
diff --git a/src/backend/utils/cache/syscache.c b/src/backend/utils/cache/syscache.c index 222650fcbea..0e64aacf61e 100644 --- a/src/backend/utils/cache/syscache.c +++ b/src/backend/utils/cache/syscache.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/utils/cache/syscache.c,v 1.62 2001/06/12 05:55:49 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/utils/cache/syscache.c,v 1.63 2001/06/18 03:35:07 tgl Exp $ * * NOTES * These routines allow the parser/planner/executor to perform @@ -54,7 +54,12 @@ Add your entry to the cacheinfo[] array below. All cache lists are alphabetical, so add it in the proper place. Specify the relation - name, index name, number of keys, and key attribute numbers. + name, index name, number of keys, and key attribute numbers. If the + relation contains tuples that are associated with a particular relation + (for example, its attributes, rules, triggers, etc) then specify the + attribute number that contains the OID of the associated relation. + This is used by CatalogCacheFlushRelation() to remove the correct + tuples during a table drop or relcache invalidation event. In include/catalog/indexing.h, add a define for the number of indexes on the relation, add define(s) for the index name(s), add an extern @@ -76,12 +81,12 @@ /* * struct cachedesc: information defining a single syscache - * */ struct cachedesc { char *name; /* name of the relation being cached */ char *indname; /* name of index relation for this cache */ + int reloidattr; /* attr number of rel OID reference, or 0 */ int nkeys; /* # of keys needed for cache lookup */ int key[4]; /* attribute numbers of key attrs */ }; @@ -89,6 +94,7 @@ struct cachedesc static struct cachedesc cacheinfo[] = { {AggregateRelationName, /* AGGNAME */ AggregateNameTypeIndex, + 0, 2, { Anum_pg_aggregate_aggname, @@ -98,6 +104,7 @@ static struct cachedesc cacheinfo[] = { }}, {AccessMethodRelationName, /* AMNAME */ AmNameIndex, + 0, 1, { Anum_pg_am_amname, @@ -107,6 +114,7 @@ static struct cachedesc cacheinfo[] = { }}, {AccessMethodOperatorRelationName, /* AMOPOPID */ AccessMethodOpidIndex, + 0, 3, { Anum_pg_amop_amopclaid, @@ -116,6 +124,7 @@ static struct cachedesc cacheinfo[] = { }}, {AccessMethodOperatorRelationName, /* AMOPSTRATEGY */ AccessMethodStrategyIndex, + 0, 3, { Anum_pg_amop_amopid, @@ -125,6 +134,7 @@ static struct cachedesc cacheinfo[] = { }}, {AttributeRelationName, /* ATTNAME */ AttributeRelidNameIndex, + Anum_pg_attribute_attrelid, 2, { Anum_pg_attribute_attrelid, @@ -134,6 +144,7 @@ static struct cachedesc cacheinfo[] = { }}, {AttributeRelationName, /* ATTNUM */ AttributeRelidNumIndex, + Anum_pg_attribute_attrelid, 2, { Anum_pg_attribute_attrelid, @@ -143,6 +154,7 @@ static struct cachedesc cacheinfo[] = { }}, {OperatorClassRelationName, /* CLADEFTYPE */ OpclassDeftypeIndex, + 0, 1, { Anum_pg_opclass_opcdeftype, @@ -152,6 +164,7 @@ static struct cachedesc cacheinfo[] = { }}, {OperatorClassRelationName, /* CLANAME */ OpclassNameIndex, + 0, 1, { Anum_pg_opclass_opcname, @@ -161,6 +174,7 @@ static struct cachedesc cacheinfo[] = { }}, {GroupRelationName, /* GRONAME */ GroupNameIndex, + 0, 1, { Anum_pg_group_groname, @@ -170,6 +184,7 @@ static struct cachedesc cacheinfo[] = { }}, {GroupRelationName, /* GROSYSID */ GroupSysidIndex, + 0, 1, { Anum_pg_group_grosysid, @@ -179,6 +194,7 @@ static struct cachedesc cacheinfo[] = { }}, {IndexRelationName, /* INDEXRELID */ IndexRelidIndex, + Anum_pg_index_indrelid, 1, { Anum_pg_index_indexrelid, @@ -188,6 +204,7 @@ static struct cachedesc cacheinfo[] = { }}, {InheritsRelationName, /* INHRELID */ InheritsRelidSeqnoIndex, + Anum_pg_inherits_inhrelid, 2, { Anum_pg_inherits_inhrelid, @@ -197,6 +214,7 @@ static struct cachedesc cacheinfo[] = { }}, {LanguageRelationName, /* LANGNAME */ LanguageNameIndex, + 0, 1, { Anum_pg_language_lanname, @@ -206,6 +224,7 @@ static struct cachedesc cacheinfo[] = { }}, {LanguageRelationName, /* LANGOID */ LanguageOidIndex, + 0, 1, { ObjectIdAttributeNumber, @@ -215,6 +234,7 @@ static struct cachedesc cacheinfo[] = { }}, {OperatorRelationName, /* OPERNAME */ OperatorNameIndex, + 0, 4, { Anum_pg_operator_oprname, @@ -224,6 +244,7 @@ static struct cachedesc cacheinfo[] = { }}, {OperatorRelationName, /* OPEROID */ OperatorOidIndex, + 0, 1, { ObjectIdAttributeNumber, @@ -233,6 +254,7 @@ static struct cachedesc cacheinfo[] = { }}, {ProcedureRelationName, /* PROCNAME */ ProcedureNameIndex, + 0, 3, { Anum_pg_proc_proname, @@ -242,6 +264,7 @@ static struct cachedesc cacheinfo[] = { }}, {ProcedureRelationName, /* PROCOID */ ProcedureOidIndex, + 0, 1, { ObjectIdAttributeNumber, @@ -251,6 +274,7 @@ static struct cachedesc cacheinfo[] = { }}, {RelationRelationName, /* RELNAME */ ClassNameIndex, + ObjectIdAttributeNumber, 1, { Anum_pg_class_relname, @@ -260,6 +284,7 @@ static struct cachedesc cacheinfo[] = { }}, {RelationRelationName, /* RELOID */ ClassOidIndex, + ObjectIdAttributeNumber, 1, { ObjectIdAttributeNumber, @@ -269,6 +294,7 @@ static struct cachedesc cacheinfo[] = { }}, {RewriteRelationName, /* RULENAME */ RewriteRulenameIndex, + Anum_pg_rewrite_ev_class, 1, { Anum_pg_rewrite_rulename, @@ -278,6 +304,7 @@ static struct cachedesc cacheinfo[] = { }}, {ShadowRelationName, /* SHADOWNAME */ ShadowNameIndex, + 0, 1, { Anum_pg_shadow_usename, @@ -287,6 +314,7 @@ static struct cachedesc cacheinfo[] = { }}, {ShadowRelationName, /* SHADOWSYSID */ ShadowSysidIndex, + 0, 1, { Anum_pg_shadow_usesysid, @@ -296,6 +324,7 @@ static struct cachedesc cacheinfo[] = { }}, {StatisticRelationName, /* STATRELATT */ StatisticRelidAttnumIndex, + Anum_pg_statistic_starelid, 2, { Anum_pg_statistic_starelid, @@ -305,6 +334,7 @@ static struct cachedesc cacheinfo[] = { }}, {TypeRelationName, /* TYPENAME */ TypeNameIndex, + Anum_pg_type_typrelid, 1, { Anum_pg_type_typname, @@ -314,6 +344,7 @@ static struct cachedesc cacheinfo[] = { }}, {TypeRelationName, /* TYPEOID */ TypeOidIndex, + Anum_pg_type_typrelid, 1, { ObjectIdAttributeNumber, @@ -323,8 +354,7 @@ static struct cachedesc cacheinfo[] = { }} }; -static CatCache *SysCache[ - lengthof(cacheinfo)]; +static CatCache *SysCache[lengthof(cacheinfo)]; static int SysCacheSize = lengthof(cacheinfo); static bool CacheInitialized = false; @@ -358,6 +388,7 @@ InitCatalogCache(void) SysCache[cacheId] = InitCatCache(cacheId, cacheinfo[cacheId].name, cacheinfo[cacheId].indname, + cacheinfo[cacheId].reloidattr, cacheinfo[cacheId].nkeys, cacheinfo[cacheId].key); if (!PointerIsValid(SysCache[cacheId])) |