Header And Logo
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#include "postgres.h"#include "access/htup_details.h"#include "access/sysattr.h"#include "catalog/indexing.h"#include "catalog/pg_aggregate.h"#include "catalog/pg_amop.h"#include "catalog/pg_amproc.h"#include "catalog/pg_auth_members.h"#include "catalog/pg_authid.h"#include "catalog/pg_cast.h"#include "catalog/pg_collation.h"#include "catalog/pg_constraint.h"#include "catalog/pg_conversion.h"#include "catalog/pg_database.h"#include "catalog/pg_default_acl.h"#include "catalog/pg_enum.h"#include "catalog/pg_event_trigger.h"#include "catalog/pg_foreign_data_wrapper.h"#include "catalog/pg_foreign_server.h"#include "catalog/pg_foreign_table.h"#include "catalog/pg_language.h"#include "catalog/pg_namespace.h"#include "catalog/pg_opclass.h"#include "catalog/pg_operator.h"#include "catalog/pg_opfamily.h"#include "catalog/pg_proc.h"#include "catalog/pg_range.h"#include "catalog/pg_rewrite.h"#include "catalog/pg_statistic.h"#include "catalog/pg_tablespace.h"#include "catalog/pg_ts_config.h"#include "catalog/pg_ts_config_map.h"#include "catalog/pg_ts_dict.h"#include "catalog/pg_ts_parser.h"#include "catalog/pg_ts_template.h"#include "catalog/pg_type.h"#include "catalog/pg_user_mapping.h"#include "utils/rel.h"#include "utils/catcache.h"#include "utils/syscache.h"
Go to the source code of this file.
Data Structures | |
| struct | cachedesc |
Functions | |
| void | InitCatalogCache (void) |
| void | InitCatalogCachePhase2 (void) |
| HeapTuple | SearchSysCache (int cacheId, Datum key1, Datum key2, Datum key3, Datum key4) |
| void | ReleaseSysCache (HeapTuple tuple) |
| HeapTuple | SearchSysCacheCopy (int cacheId, Datum key1, Datum key2, Datum key3, Datum key4) |
| bool | SearchSysCacheExists (int cacheId, Datum key1, Datum key2, Datum key3, Datum key4) |
| Oid | GetSysCacheOid (int cacheId, Datum key1, Datum key2, Datum key3, Datum key4) |
| HeapTuple | SearchSysCacheAttName (Oid relid, const char *attname) |
| HeapTuple | SearchSysCacheCopyAttName (Oid relid, const char *attname) |
| bool | SearchSysCacheExistsAttName (Oid relid, const char *attname) |
| Datum | SysCacheGetAttr (int cacheId, HeapTuple tup, AttrNumber attributeNumber, bool *isNull) |
| uint32 | GetSysCacheHashValue (int cacheId, Datum key1, Datum key2, Datum key3, Datum key4) |
| struct catclist * | SearchSysCacheList (int cacheId, int nkeys, Datum key1, Datum key2, Datum key3, Datum key4) |
Variables | |
| static struct cachedesc | cacheinfo [] |
| static CatCache * | SysCache [lengthof(cacheinfo)] |
| static int | SysCacheSize = lengthof(cacheinfo) |
| static bool | CacheInitialized = false |
Definition at line 1089 of file syscache.c.
References elog, ERROR, GetCatCacheHashValue(), PointerIsValid, and SysCacheSize.
{
if (cacheId < 0 || cacheId >= SysCacheSize ||
!PointerIsValid(SysCache[cacheId]))
elog(ERROR, "invalid cache ID: %d", cacheId);
return GetCatCacheHashValue(SysCache[cacheId], key1, key2, key3, key4);
}
Definition at line 953 of file syscache.c.
References HeapTupleGetOid, HeapTupleIsValid, ReleaseSysCache(), and SearchSysCache().
{
HeapTuple tuple;
Oid result;
tuple = SearchSysCache(cacheId, key1, key2, key3, key4);
if (!HeapTupleIsValid(tuple))
return InvalidOid;
result = HeapTupleGetOid(tuple);
ReleaseSysCache(tuple);
return result;
}
| void InitCatalogCache | ( | void | ) |
Definition at line 809 of file syscache.c.
References Assert, CacheInitialized, elog, ERROR, cachedesc::indoid, InitCatCache(), cachedesc::key, MemSet, cachedesc::nbuckets, cachedesc::nkeys, PointerIsValid, cachedesc::reloid, and SysCacheSize.
Referenced by InitPostgres().
{
int cacheId;
Assert(!CacheInitialized);
MemSet(SysCache, 0, sizeof(SysCache));
for (cacheId = 0; cacheId < SysCacheSize; cacheId++)
{
SysCache[cacheId] = InitCatCache(cacheId,
cacheinfo[cacheId].reloid,
cacheinfo[cacheId].indoid,
cacheinfo[cacheId].nkeys,
cacheinfo[cacheId].key,
cacheinfo[cacheId].nbuckets);
if (!PointerIsValid(SysCache[cacheId]))
elog(ERROR, "could not initialize cache %u (%d)",
cacheinfo[cacheId].reloid, cacheId);
}
CacheInitialized = true;
}
| void InitCatalogCachePhase2 | ( | void | ) |
Definition at line 846 of file syscache.c.
References Assert, CacheInitialized, InitCatCachePhase2(), and SysCacheSize.
Referenced by RelationCacheInitializePhase3().
{
int cacheId;
Assert(CacheInitialized);
for (cacheId = 0; cacheId < SysCacheSize; cacheId++)
InitCatCachePhase2(SysCache[cacheId], true);
}
| void ReleaseSysCache | ( | HeapTuple | tuple | ) |
Definition at line 892 of file syscache.c.
References ReleaseCatCache().
Referenced by aclitemout(), AddEnumLabel(), AddRoleMems(), AggregateCreate(), AlterDomainValidateConstraint(), AlterEnum(), AlterObjectRename_internal(), AlterOpFamily(), AlterRole(), AlterRoleSet(), AlterSchemaOwner(), AlterSchemaOwner_oid(), AlterTSConfiguration(), AlterTSDictionary(), AlterTypeOwner(), array_to_json_internal(), assignOperTypes(), assignProcTypes(), ATAddForeignKeyConstraint(), ATExecAddColumn(), ATExecAddOf(), ATExecAlterColumnGenericOptions(), ATExecAlterColumnType(), ATExecChangeOwner(), ATExecDropColumn(), ATExecDropNotNull(), ATExecSetOptions(), ATExecSetRelOptions(), ATPrepAlterColumnType(), build_coercion_expression(), CacheInvalidateRelcacheByRelid(), check_for_column_name_collision(), check_role(), check_session_authorization(), check_TSCurrentConfig(), CheckIndexCompatible(), CheckMyDatabase(), CheckRelationOwnership(), cluster(), cluster_rel(), coerce_type(), CollationIsVisible(), column_privilege_check(), compatible_oper(), compatible_oper_opid(), compile_plperl_function(), compile_pltcl_function(), composite_to_json(), compute_return_type(), ComputeIndexAttrs(), ConstructTupleDescriptor(), ConversionIsVisible(), count_agg_clauses_walker(), create_proc_lang(), CreateCast(), CreateFunction(), DefineCollation(), DefineDomain(), DefineIndex(), DefineOpClass(), DefineTSConfiguration(), DefineType(), DeleteRelationTuple(), DelRoleMems(), deparseFuncExpr(), deparseOpExpr(), deparseScalarArrayOpExpr(), do_autovacuum(), do_compile(), dropdb(), DropProceduralLanguageById(), DropRole(), enum_cmp_internal(), enum_in(), enum_out(), enum_recv(), enum_send(), errdatatype(), examine_parameter_list(), ExecGrant_Attribute(), ExecGrant_Database(), ExecGrant_Fdw(), ExecGrant_ForeignServer(), ExecGrant_Function(), ExecGrant_Language(), ExecGrant_Namespace(), ExecGrant_Relation(), ExecGrant_Tablespace(), ExecGrant_Type(), ExecHashBuildSkewHash(), ExecInitAgg(), ExecuteDoStmt(), expand_all_col_privileges(), fetch_agg_sort_op(), fetch_fp_info(), find_coercion_pathway(), find_typmod_coercion_function(), fixup_whole_row_references(), flatten_reloptions(), fmgr_c_validator(), fmgr_info_cxt_security(), fmgr_info_other_lang(), fmgr_internal_validator(), fmgr_security_definer(), fmgr_sql_validator(), format_operator_internal(), format_procedure_internal(), format_type_internal(), func_get_detail(), func_strict(), func_volatile(), FuncNameAsType(), FunctionIsVisible(), generate_collation_name(), generate_function_name(), generate_operator_name(), generate_relation_name(), generateClonedIndexStmt(), get_am_name(), get_array_type(), get_attavgwidth(), get_attname(), get_attnum(), get_attribute_options(), get_attstatsslot(), get_atttype(), get_atttypetypmodcoll(), get_atttypmod(), get_base_element_type(), get_collation(), get_collation_name(), get_commutator(), get_constraint_name(), get_database_name(), get_db_info(), get_default_acl_internal(), get_element_type(), get_func_cost(), get_func_leakproof(), get_func_name(), get_func_namespace(), get_func_nargs(), get_func_result_name(), get_func_retset(), get_func_rettype(), get_func_rows(), get_func_signature(), get_namespace_name(), get_negator(), get_object_address_type(), get_object_namespace(), get_op_opfamily_properties(), get_op_opfamily_sortfamily(), get_op_opfamily_strategy(), get_opclass(), get_opclass_family(), get_opclass_input_type(), get_opclass_name(), get_opclass_oid(), get_opcode(), get_oper_expr(), get_opfamily_member(), get_opfamily_oid(), get_opfamily_proc(), get_opname(), get_oprjoin(), get_oprrest(), get_range_subtype(), get_rel_name(), get_rel_namespace(), get_rel_relkind(), get_rel_tablespace(), get_rel_type_id(), get_rewrite_oid(), get_rte_attribute_is_dropped(), get_rte_attribute_type(), get_tablespace(), get_typ_typrelid(), get_typbyval(), get_typcollation(), get_typdefault(), get_type_category_preferred(), get_type_io_data(), get_typisdefined(), get_typlen(), get_typlenbyval(), get_typlenbyvalalign(), get_typmodin(), get_typstorage(), get_typtype(), getBaseTypeAndTypmod(), GetDomainConstraints(), GetFdwRoutineByRelId(), GetForeignColumnOptions(), GetForeignDataWrapper(), GetForeignServer(), GetForeignTable(), GetIndexOpClass(), getObjectDescription(), getObjectIdentity(), getOpFamilyDescription(), getOpFamilyIdentity(), getProcedureTypeDescription(), getRelationDescription(), getRelationIdentity(), getRelationTypeDescription(), GetSysCacheOid(), getTypeBinaryInputInfo(), getTypeBinaryOutputInfo(), getTypeInputInfo(), getTypeOutputInfo(), GetUserMapping(), GetUserNameFromId(), has_createrole_privilege(), has_rolcatupdate(), has_rolinherit(), has_rolreplication(), has_subclass(), hash_ok_operator(), have_createdb_privilege(), heap_drop_with_catalog(), index_check_primary_key(), index_drop(), IndexGetRelation(), IndexSupportsBackwardScan(), init_sql_fcache(), initialize_peragg(), InitializeSessionUserId(), inline_set_returning_function(), InsertRule(), internal_get_result_type(), IsBinaryCoercible(), json_agg_transfn(), load_rangetype_info(), lookup_collation_cache(), lookup_ts_config_cache(), lookup_ts_dictionary_cache(), lookup_ts_parser_cache(), lookup_type_cache(), LookupAggNameTypeNames(), LookupTypeNameOid(), make_new_heap(), make_op(), make_scalar_array_op(), map_sql_table_to_xmlschema(), map_sql_type_to_xml_name(), mark_index_clustered(), md5_crypt_verify(), op_hashjoinable(), op_input_types(), op_mergejoinable(), OpclassIsVisible(), OperatorGet(), OperatorIsVisible(), OpernameGetOprid(), OpfamilyIsVisible(), pg_attribute_aclcheck_all(), pg_attribute_aclmask(), pg_class_aclmask(), pg_class_ownercheck(), pg_collation_ownercheck(), pg_conversion_ownercheck(), pg_database_aclmask(), pg_database_ownercheck(), pg_event_trigger_ownercheck(), pg_foreign_data_wrapper_aclmask(), pg_foreign_data_wrapper_ownercheck(), pg_foreign_server_aclmask(), pg_foreign_server_ownercheck(), pg_get_constraintdef_worker(), pg_get_function_arguments(), pg_get_function_identity_arguments(), pg_get_function_result(), pg_get_functiondef(), pg_get_indexdef_worker(), pg_get_serial_sequence(), pg_get_userbyid(), pg_language_aclmask(), pg_language_ownercheck(), pg_namespace_aclmask(), pg_namespace_ownercheck(), pg_newlocale_from_collation(), pg_opclass_ownercheck(), pg_oper_ownercheck(), pg_opfamily_ownercheck(), pg_proc_aclmask(), pg_proc_ownercheck(), pg_relation_filenode(), pg_relation_filepath(), pg_tablespace_aclmask(), pg_tablespace_ownercheck(), pg_ts_config_ownercheck(), pg_ts_dict_ownercheck(), pg_type_aclmask(), pg_type_ownercheck(), plperl_validator(), plpgsql_build_datatype(), plpgsql_compile(), plpgsql_parse_cwordtype(), plpgsql_parse_wordtype(), plpgsql_validator(), plpython_validator(), pltcl_build_tuple_argument(), pltcl_set_tuple_values(), pltcl_trigger_handler(), PLy_input_tuple_funcs(), PLy_output_tuple_funcs(), PLy_procedure_argument_valid(), PLy_procedure_create(), PLy_procedure_get(), PLy_spi_prepare(), PLyString_ToComposite(), ProcedureCreate(), RangeVarCallbackForAlterRelation(), RangeVarCallbackForDropRelation(), RangeVarCallbackForRenameAttribute(), RangeVarCallbackForRenameRule(), RangeVarCallbackForRenameTrigger(), recomputeNamespacePath(), regclassout(), regconfigout(), regdictionaryout(), regoperout(), regprocout(), regtypeout(), RelationCacheInitializePhase3(), relationHasPrimaryKey(), RelationInitIndexAccessInfo(), RelationIsVisible(), RelationReloadIndexInfo(), RemoveConstraintById(), RemoveEventTriggerById(), RemoveForeignDataWrapperById(), RemoveForeignServerById(), RemoveFunctionById(), RemoveObjects(), RemoveOpClassById(), RemoveOperatorById(), RemoveOpFamilyById(), RemoveSchemaById(), RemoveTSConfigurationById(), RemoveTSDictionaryById(), RemoveTSParserById(), RemoveTSTemplateById(), RemoveTypeById(), RemoveUserMappingById(), rename_constraint_internal(), RenameConstraint(), RenameRole(), ri_add_cast_to(), ri_GenerateQual(), ri_GenerateQualCollation(), ri_LoadConstraintInfo(), SearchSysCacheAttName(), SearchSysCacheCopy(), SearchSysCacheCopyAttName(), SearchSysCacheExists(), SearchSysCacheExistsAttName(), sepgsql_proc_setattr(), sepgsql_relation_setattr(), SetDefaultACL(), simplify_function(), SPI_gettype(), superuser_arg(), to_json(), transformArrayType(), transformColumnNameList(), transformColumnType(), transformFkeyCheckAttrs(), transformFkeyGetPrimaryKey(), transformOfType(), triggered_change_notification(), TryReuseForeignKey(), TSConfigIsVisible(), TSDictionaryIsVisible(), TSParserIsVisible(), TSTemplateIsVisible(), TupleDescInitEntry(), typeidTypeRelid(), typeIsOfTypedTable(), TypeIsVisible(), typenameTypeId(), typenameTypeIdAndMod(), update_attstats(), and verify_dictoptions().
{
ReleaseCatCache(tuple);
}
Definition at line 874 of file syscache.c.
References elog, ERROR, PointerIsValid, SearchCatCache(), and SysCacheSize.
Referenced by GetSysCacheOid(), SearchSysCacheCopy(), and SearchSysCacheExists().
{
if (cacheId < 0 || cacheId >= SysCacheSize ||
!PointerIsValid(SysCache[cacheId]))
elog(ERROR, "invalid cache ID: %d", cacheId);
return SearchCatCache(SysCache[cacheId], key1, key2, key3, key4);
}
Definition at line 980 of file syscache.c.
References ATTNAME, CStringGetDatum, GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum, ReleaseSysCache(), and SearchSysCache2.
Referenced by ATExecAlterColumnGenericOptions(), ATExecDropColumn(), ATExecSetOptions(), ATPrepAlterColumnType(), ComputeIndexAttrs(), get_attnum(), plpgsql_parse_cwordtype(), SearchSysCacheCopyAttName(), SearchSysCacheExistsAttName(), and transformColumnNameList().
{
HeapTuple tuple;
tuple = SearchSysCache2(ATTNAME,
ObjectIdGetDatum(relid),
CStringGetDatum(attname));
if (!HeapTupleIsValid(tuple))
return NULL;
if (((Form_pg_attribute) GETSTRUCT(tuple))->attisdropped)
{
ReleaseSysCache(tuple);
return NULL;
}
return tuple;
}
Definition at line 906 of file syscache.c.
References heap_copytuple(), HeapTupleIsValid, ReleaseSysCache(), and SearchSysCache().
{
HeapTuple tuple,
newtuple;
tuple = SearchSysCache(cacheId, key1, key2, key3, key4);
if (!HeapTupleIsValid(tuple))
return tuple;
newtuple = heap_copytuple(tuple);
ReleaseSysCache(tuple);
return newtuple;
}
Definition at line 1003 of file syscache.c.
References heap_copytuple(), HeapTupleIsValid, ReleaseSysCache(), and SearchSysCacheAttName().
Referenced by ATExecAddColumn(), ATExecAlterColumnType(), ATExecDropColumn(), ATExecDropNotNull(), ATExecSetNotNull(), ATExecSetStatistics(), ATExecSetStorage(), MergeAttributesIntoExisting(), and renameatt_internal().
{
HeapTuple tuple,
newtuple;
tuple = SearchSysCacheAttName(relid, attname);
if (!HeapTupleIsValid(tuple))
return tuple;
newtuple = heap_copytuple(tuple);
ReleaseSysCache(tuple);
return newtuple;
}
Definition at line 930 of file syscache.c.
References HeapTupleIsValid, ReleaseSysCache(), and SearchSysCache().
Referenced by tsa_set_curdict(), and tsa_set_curprs().
{
HeapTuple tuple;
tuple = SearchSysCache(cacheId, key1, key2, key3, key4);
if (!HeapTupleIsValid(tuple))
return false;
ReleaseSysCache(tuple);
return true;
}
Definition at line 1022 of file syscache.c.
References HeapTupleIsValid, ReleaseSysCache(), and SearchSysCacheAttName().
Referenced by ATExecDropInherit().
{
HeapTuple tuple;
tuple = SearchSysCacheAttName(relid, attname);
if (!HeapTupleIsValid(tuple))
return false;
ReleaseSysCache(tuple);
return true;
}
| struct catclist* SearchSysCacheList | ( | int | cacheId, | |
| int | nkeys, | |||
| Datum | key1, | |||
| Datum | key2, | |||
| Datum | key3, | |||
| Datum | key4 | |||
| ) | [read] |
Definition at line 1106 of file syscache.c.
References elog, ERROR, PointerIsValid, SearchCatCacheList(), and SysCacheSize.
{
if (cacheId < 0 || cacheId >= SysCacheSize ||
!PointerIsValid(SysCache[cacheId]))
elog(ERROR, "invalid cache ID: %d", cacheId);
return SearchCatCacheList(SysCache[cacheId], nkeys,
key1, key2, key3, key4);
}
| Datum SysCacheGetAttr | ( | int | cacheId, | |
| HeapTuple | tup, | |||
| AttrNumber | attributeNumber, | |||
| bool * | isNull | |||
| ) |
Definition at line 1054 of file syscache.c.
References Assert, elog, ERROR, heap_getattr, InitCatCachePhase2(), PointerIsValid, and SysCacheSize.
Referenced by AlterDomainValidateConstraint(), AlterForeignDataWrapper(), AlterForeignServer(), AlterFunction(), AlterRole(), AlterSchemaOwner_internal(), AlterTSDictionary(), AlterUserMapping(), ATExecAlterColumnGenericOptions(), ATExecChangeOwner(), ATExecGenericOptions(), ATExecSetOptions(), ATExecSetRelOptions(), build_function_result_tupdesc_t(), CheckIndexCompatible(), compile_plperl_function(), compile_pltcl_function(), DefineDomain(), do_compile(), ExecGrant_Attribute(), ExecGrant_Fdw(), ExecGrant_ForeignServer(), ExecGrant_Function(), ExecGrant_Language(), ExecGrant_Namespace(), ExecGrant_Relation(), ExecInitAgg(), fetch_function_defaults(), flatten_reloptions(), fmgr_c_validator(), fmgr_info_C_lang(), fmgr_info_cxt_security(), fmgr_internal_validator(), fmgr_security_definer(), fmgr_sql_validator(), func_get_detail(), generateClonedIndexStmt(), get_attribute_options(), get_attstatsslot(), get_default_acl_internal(), get_func_arg_info(), get_func_result_name(), get_object_namespace(), get_tablespace(), get_typdefault(), GetForeignColumnOptions(), GetForeignDataWrapper(), GetForeignServer(), GetForeignTable(), GetUserMapping(), init_sql_fcache(), initialize_peragg(), inline_function(), inline_set_returning_function(), lookup_ts_dictionary_cache(), make_new_heap(), MatchNamedCall(), md5_crypt_verify(), pg_attribute_aclmask(), pg_class_aclmask(), pg_database_aclmask(), pg_foreign_data_wrapper_aclmask(), pg_foreign_server_aclmask(), pg_get_constraintdef_worker(), pg_get_functiondef(), pg_get_indexdef_worker(), pg_language_aclmask(), pg_namespace_aclmask(), pg_proc_aclmask(), pg_tablespace_aclmask(), pg_type_aclmask(), PLy_procedure_create(), prepare_sql_fn_parse_info(), print_function_arguments(), ProcedureCreate(), ri_LoadConstraintInfo(), SetDefaultACL(), transformFkeyCheckAttrs(), transformFkeyGetPrimaryKey(), transformIndexConstraint(), TryReuseForeignKey(), and validateCheckConstraint().
{
/*
* We just need to get the TupleDesc out of the cache entry, and then we
* can apply heap_getattr(). Normally the cache control data is already
* valid (because the caller recently fetched the tuple via this same
* cache), but there are cases where we have to initialize the cache here.
*/
if (cacheId < 0 || cacheId >= SysCacheSize ||
!PointerIsValid(SysCache[cacheId]))
elog(ERROR, "invalid cache ID: %d", cacheId);
if (!PointerIsValid(SysCache[cacheId]->cc_tupdesc))
{
InitCatCachePhase2(SysCache[cacheId], false);
Assert(PointerIsValid(SysCache[cacheId]->cc_tupdesc));
}
return heap_getattr(tup, attributeNumber,
SysCache[cacheId]->cc_tupdesc,
isNull);
}
Definition at line 108 of file syscache.c.
bool CacheInitialized = false [static] |
Definition at line 797 of file syscache.c.
Referenced by InitCatalogCache(), and InitCatalogCachePhase2().
Definition at line 795 of file syscache.c.
int SysCacheSize = lengthof(cacheinfo) [static] |
Definition at line 796 of file syscache.c.
Referenced by GetSysCacheHashValue(), InitCatalogCache(), InitCatalogCachePhase2(), SearchSysCache(), SearchSysCacheList(), and SysCacheGetAttr().
1.7.1