syscache.c File Reference

#include "postgres.h"
#include "access/htup_details.h"
#include "access/sysattr.h"
#include "catalog/pg_aggregate.h"
#include "catalog/pg_am.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_db_role_setting.h"
#include "catalog/pg_default_acl.h"
#include "catalog/pg_depend.h"
#include "catalog/pg_description.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_parameter_acl.h"
#include "catalog/pg_partitioned_table.h"
#include "catalog/pg_proc.h"
#include "catalog/pg_publication.h"
#include "catalog/pg_publication_namespace.h"
#include "catalog/pg_publication_rel.h"
#include "catalog/pg_range.h"
#include "catalog/pg_replication_origin.h"
#include "catalog/pg_rewrite.h"
#include "catalog/pg_seclabel.h"
#include "catalog/pg_sequence.h"
#include "catalog/pg_shdepend.h"
#include "catalog/pg_shdescription.h"
#include "catalog/pg_shseclabel.h"
#include "catalog/pg_statistic.h"
#include "catalog/pg_statistic_ext.h"
#include "catalog/pg_statistic_ext_data.h"
#include "catalog/pg_subscription.h"
#include "catalog/pg_subscription_rel.h"
#include "catalog/pg_tablespace.h"
#include "catalog/pg_transform.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 "lib/qunique.h"
#include "utils/catcache.h"
#include "utils/rel.h"
#include "utils/syscache.h"

Include dependency graph for syscache.c:

Go to the source code of this file.

Data Structures
struct	cachedesc

Functions
static int	oid_compare (const void *a, const void *b)
void	InitCatalogCache (void)
void	InitCatalogCachePhase2 (void)
HeapTuple	SearchSysCache (int cacheId, Datum key1, Datum key2, Datum key3, Datum key4)
HeapTuple	SearchSysCache1 (int cacheId, Datum key1)
HeapTuple	SearchSysCache2 (int cacheId, Datum key1, Datum key2)
HeapTuple	SearchSysCache3 (int cacheId, Datum key1, Datum key2, Datum key3)
HeapTuple	SearchSysCache4 (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, AttrNumber oidcol, 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)
HeapTuple	SearchSysCacheAttNum (Oid relid, int16 attnum)
HeapTuple	SearchSysCacheCopyAttNum (Oid relid, int16 attnum)
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)
void	SysCacheInvalidate (int cacheId, uint32 hashValue)
bool	RelationInvalidatesSnapshotsOnly (Oid relid)
bool	RelationHasSysCache (Oid relid)
bool	RelationSupportsSysCache (Oid relid)

Variables
static const struct cachedesc	cacheinfo []
static CatCache *	SysCache [SysCacheSize]
static bool	CacheInitialized = false
static Oid	SysCacheRelationOid [SysCacheSize]
static int	SysCacheRelationOidSize
static Oid	SysCacheSupportingRelOid [SysCacheSize *2]
static int	SysCacheSupportingRelOidSize

Function Documentation

GetSysCacheHashValue()

uint32 GetSysCacheHashValue	(	int	cacheId,
		Datum	key1,
		Datum	key2,
		Datum	key3,
		Datum	key4
	)

Definition at line 1469 of file syscache.c.

{
    if (cacheId < 0 || cacheId >= SysCacheSize ||
        !PointerIsValid(SysCache[cacheId]))
        elog(ERROR, "invalid cache ID: %d", cacheId);
 
    return GetCatCacheHashValue(SysCache[cacheId], key1, key2, key3, key4);
}

References elog, ERROR, GetCatCacheHashValue(), PointerIsValid, SysCache, and SysCacheSize.

GetSysCacheOid()

Oid GetSysCacheOid	(	int	cacheId,
		AttrNumber	oidcol,
		Datum	key1,
		Datum	key2,
		Datum	key3,
		Datum	key4
	)

Definition at line 1282 of file syscache.c.

{
    HeapTuple   tuple;
    bool        isNull;
    Oid         result;
 
    tuple = SearchSysCache(cacheId, key1, key2, key3, key4);
    if (!HeapTupleIsValid(tuple))
        return InvalidOid;
    result = heap_getattr(tuple, oidcol,
                          SysCache[cacheId]->cc_tupdesc,
                          &isNull);
    Assert(!isNull);            /* columns used as oids should never be NULL */
    ReleaseSysCache(tuple);
    return result;
}

References Assert(), heap_getattr(), HeapTupleIsValid, InvalidOid, ReleaseSysCache(), SearchSysCache(), and SysCache.

InitCatalogCache()

void InitCatalogCache

(

void

)

Definition at line 1067 of file syscache.c.

{
    int         cacheId;
 
    StaticAssertStmt(SysCacheSize == (int) lengthof(cacheinfo),
                     "SysCacheSize does not match syscache.c's array");
 
    Assert(!CacheInitialized);
 
    SysCacheRelationOidSize = SysCacheSupportingRelOidSize = 0;
 
    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);
        /* Accumulate data for OID lists, too */
        SysCacheRelationOid[SysCacheRelationOidSize++] =
            cacheinfo[cacheId].reloid;
        SysCacheSupportingRelOid[SysCacheSupportingRelOidSize++] =
            cacheinfo[cacheId].reloid;
        SysCacheSupportingRelOid[SysCacheSupportingRelOidSize++] =
            cacheinfo[cacheId].indoid;
        /* see comments for RelationInvalidatesSnapshotsOnly */
        Assert(!RelationInvalidatesSnapshotsOnly(cacheinfo[cacheId].reloid));
    }
 
    Assert(SysCacheRelationOidSize <= lengthof(SysCacheRelationOid));
    Assert(SysCacheSupportingRelOidSize <= lengthof(SysCacheSupportingRelOid));
 
    /* Sort and de-dup OID arrays, so we can use binary search. */
    pg_qsort(SysCacheRelationOid, SysCacheRelationOidSize,
             sizeof(Oid), oid_compare);
    SysCacheRelationOidSize =
        qunique(SysCacheRelationOid, SysCacheRelationOidSize, sizeof(Oid),
                oid_compare);
 
    pg_qsort(SysCacheSupportingRelOid, SysCacheSupportingRelOidSize,
             sizeof(Oid), oid_compare);
    SysCacheSupportingRelOidSize =
        qunique(SysCacheSupportingRelOid, SysCacheSupportingRelOidSize,
                sizeof(Oid), oid_compare);
 
    CacheInitialized = true;
}

References Assert(), cacheinfo, CacheInitialized, elog, ERROR, cachedesc::indoid, InitCatCache(), sort-test::key, lengthof, cachedesc::nbuckets, cachedesc::nkeys, oid_compare(), pg_qsort(), PointerIsValid, qunique(), RelationInvalidatesSnapshotsOnly(), cachedesc::reloid, StaticAssertStmt, SysCache, SysCacheRelationOid, SysCacheRelationOidSize, SysCacheSize, SysCacheSupportingRelOid, and SysCacheSupportingRelOidSize.

Referenced by InitPostgres().

InitCatalogCachePhase2()

void InitCatalogCachePhase2

(

void

)

Definition at line 1132 of file syscache.c.

{
    int         cacheId;
 
    Assert(CacheInitialized);
 
    for (cacheId = 0; cacheId < SysCacheSize; cacheId++)
        InitCatCachePhase2(SysCache[cacheId], true);
}

References Assert(), CacheInitialized, InitCatCachePhase2(), SysCache, and SysCacheSize.

Referenced by RelationCacheInitializePhase3().

oid_compare()

static int oid_compare ( const void *  a, const void *  b  )

static

Definition at line 1603 of file syscache.c.

{
    Oid         oa = *((const Oid *) a);
    Oid         ob = *((const Oid *) b);
 
    if (oa == ob)
        return 0;
    return (oa > ob) ? 1 : -1;
}

References a, and b.

Referenced by InitCatalogCache().

RelationHasSysCache()

bool RelationHasSysCache

(

Oid

relid

)

Definition at line 1553 of file syscache.c.

{
    int         low = 0,
                high = SysCacheRelationOidSize - 1;
 
    while (low <= high)
    {
        int         middle = low + (high - low) / 2;
 
        if (SysCacheRelationOid[middle] == relid)
            return true;
        if (SysCacheRelationOid[middle] < relid)
            low = middle + 1;
        else
            high = middle - 1;
    }
 
    return false;
}

References SysCacheRelationOid, and SysCacheRelationOidSize.

Referenced by GetNonHistoricCatalogSnapshot().

RelationInvalidatesSnapshotsOnly()

bool RelationInvalidatesSnapshotsOnly

(

Oid

relid

)

Definition at line 1530 of file syscache.c.

{
    switch (relid)
    {
        case DbRoleSettingRelationId:
        case DependRelationId:
        case SharedDependRelationId:
        case DescriptionRelationId:
        case SharedDescriptionRelationId:
        case SecLabelRelationId:
        case SharedSecLabelRelationId:
            return true;
        default:
            break;
    }
 
    return false;
}

Referenced by CacheInvalidateHeapTuple(), GetNonHistoricCatalogSnapshot(), and InitCatalogCache().

RelationSupportsSysCache()

bool RelationSupportsSysCache

(

Oid

relid

)

Definition at line 1578 of file syscache.c.

{
    int         low = 0,
                high = SysCacheSupportingRelOidSize - 1;
 
    while (low <= high)
    {
        int         middle = low + (high - low) / 2;
 
        if (SysCacheSupportingRelOid[middle] == relid)
            return true;
        if (SysCacheSupportingRelOid[middle] < relid)
            low = middle + 1;
        else
            high = middle - 1;
    }
 
    return false;
}

References SysCacheSupportingRelOid, and SysCacheSupportingRelOidSize.

Referenced by RelationIdIsInInitFile().

ReleaseSysCache()

void ReleaseSysCache

(

HeapTuple

tuple

)

Definition at line 1221 of file syscache.c.

{
    ReleaseCatCache(tuple);
}

References ReleaseCatCache().

Referenced by aclitemout(), add_cast_to(), add_function_cost(), AddEnumLabel(), AddRoleMems(), AggregateCreate(), AlterDomainValidateConstraint(), AlterEnum(), AlterObjectRename_internal(), AlterOpFamily(), AlterPublicationOptions(), AlterPublicationTables(), AlterRole(), AlterRoleSet(), AlterSchemaOwner(), AlterSchemaOwner_oid(), AlterStatistics(), AlterTSConfiguration(), AlterTSDictionary(), AlterType(), AlterTypeOwner(), AlterTypeOwner_oid(), AlterTypeRecurse(), amvalidate(), appendFunctionName(), appendOrderBySuffix(), assignOperTypes(), assignProcTypes(), ATAddForeignKeyConstraint(), ATDetachCheckNoForeignKeyRefs(), ATExecAddColumn(), ATExecAddOf(), ATExecAlterColumnGenericOptions(), ATExecAlterColumnType(), ATExecAlterConstraint(), ATExecChangeOwner(), ATExecCheckNotNull(), ATExecDropColumn(), ATExecDropNotNull(), ATExecSetOptions(), ATExecSetRelOptions(), ATPostAlterTypeCleanup(), ATPrepAlterColumnType(), ATPrepSetNotNull(), blvalidate(), brincostestimate(), brinvalidate(), btcostestimate(), btvalidate(), build_coercion_expression(), CacheInvalidateRelcacheByRelid(), call_pltcl_start_proc(), CallStmtResultDesc(), check_amop_signature(), check_amproc_signature(), check_enable_rls(), check_for_column_name_collision(), check_hash_func_signature(), check_object_ownership(), check_role(), check_session_authorization(), check_TSCurrentConfig(), CheckFunctionValidatorAccess(), CheckIndexCompatible(), CheckMyDatabase(), CloneFkReferenced(), CloneFkReferencing(), coerce_type(), CollationIsVisible(), compatible_oper(), compatible_oper_opid(), compile_plperl_function(), compile_pltcl_function(), compute_return_type(), ComputeIndexAttrs(), ComputePartitionAttrs(), ConstraintSetParentConstraint(), ConstructTupleDescriptor(), ConversionIsVisible(), convert_column_name(), CreateCast(), CreateFunction(), CreateProceduralLanguage(), CreateRole(), CreateSchemaCommand(), CreateStatistics(), CreateTransform(), DefineCollation(), DefineDomain(), DefineIndex(), DefineOpClass(), DefineTSConfiguration(), DefineType(), DeleteRelationTuple(), DeleteSequenceTuple(), DelRoleMems(), deparseOpExpr(), deparseScalarArrayOpExpr(), DetachPartitionFinalize(), do_autovacuum(), do_compile(), do_setval(), dropdb(), DropObjectById(), DropRole(), DropSubscription(), enum_cmp_internal(), enum_in(), enum_out(), enum_recv(), enum_send(), errdatatype(), eval_const_expressions_mutator(), examine_simple_variable(), examine_variable(), ExecGrant_Attribute(), ExecGrant_Database(), ExecGrant_Fdw(), ExecGrant_ForeignServer(), ExecGrant_Function(), ExecGrant_Language(), ExecGrant_Namespace(), ExecGrant_Parameter(), ExecGrant_Relation(), ExecGrant_Tablespace(), ExecGrant_Type(), ExecHashBuildSkewHash(), ExecInitAgg(), ExecuteCallStmt(), ExecuteDoStmt(), expand_all_col_privileges(), expand_vacuum_rel(), fetch_agg_sort_op(), fetch_fp_info(), fillTypeDesc(), 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(), fmgr_symbol(), format_operator_extended(), format_operator_parts(), format_procedure_extended(), format_procedure_parts(), format_type_extended(), func_get_detail(), func_parallel(), func_strict(), func_volatile(), FuncNameAsType(), FunctionIsVisible(), generate_collation_name(), generate_function_name(), generate_operator_clause(), generate_operator_name(), generate_partition_qual(), generate_qualified_relation_name(), generate_qualified_type_name(), generate_relation_name(), generateClonedExtStatsStmt(), generateClonedIndexStmt(), get_am_name(), get_am_type_oid(), get_array_type(), get_attavgwidth(), get_attgenerated(), get_attname(), get_attnum(), get_attoptions(), get_attribute_options(), get_attstatsslot(), get_attstattarget(), get_atttype(), get_atttypetypmodcoll(), get_base_element_type(), get_collation(), get_collation_isdeterministic(), get_collation_name(), get_commutator(), get_constraint_index(), get_constraint_name(), get_database_name(), get_db_info(), get_default_acl_internal(), get_default_partition_oid(), get_element_type(), get_func_leakproof(), get_func_name(), get_func_namespace(), get_func_nargs(), get_func_prokind(), get_func_result_name(), get_func_retset(), get_func_rettype(), get_func_signature(), get_func_support(), get_func_variadictype(), get_function_rows(), get_index_column_opclass(), get_index_isclustered(), get_index_isreplident(), get_index_isvalid(), get_language_name(), get_multirange_range(), get_namespace_name(), get_negator(), get_object_address_defacl(), get_object_address_opf_member(), get_object_address_type(), get_object_address_usermapping(), get_object_namespace(), get_op_opfamily_properties(), get_op_opfamily_sortfamily(), get_op_opfamily_strategy(), get_op_rettype(), get_opclass(), get_opclass_family(), get_opclass_input_type(), get_opclass_name(), get_opclass_oid(), get_opclass_opfamily_and_input_type(), get_opcode(), get_opfamily_member(), get_opfamily_oid(), get_opfamily_proc(), get_opname(), get_oprjoin(), get_oprrest(), get_publication_name(), get_qual_for_range(), get_range_collation(), get_range_multirange(), get_range_subtype(), get_rel_name(), get_rel_namespace(), get_rel_persistence(), get_rel_relispartition(), get_rel_relkind(), get_rel_tablespace(), get_rel_type_id(), get_relation_statistics(), get_relation_statistics_worker(), get_rewrite_oid(), get_ri_constraint_root(), get_role_password(), get_rolespec_name(), get_rte_attribute_is_dropped(), get_subscription_name(), get_tablespace(), get_transform_fromsql(), get_transform_tosql(), 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_typsubscript(), get_typtype(), getBaseTypeAndTypmod(), GetFdwRoutineByServerId(), GetForeignColumnOptions(), GetForeignDataWrapperExtended(), GetForeignServerExtended(), GetForeignServerIdByRelId(), GetForeignTable(), GetIndexAmRoutineByAmId(), getObjectDescription(), getObjectIdentityParts(), getOpFamilyDescription(), getOpFamilyIdentity(), getProcedureTypeDescription(), GetPublication(), getPublicationSchemaInfo(), getRelationDescription(), getRelationIdentity(), getRelationTypeDescription(), GetSubscription(), GetSubscriptionRelState(), GetSysCacheOid(), getTypeBinaryInputInfo(), getTypeBinaryOutputInfo(), getTypeInputInfo(), getTypeOutputInfo(), GetUserMapping(), GetUserNameFromId(), ginvalidate(), gistvalidate(), has_bypassrls_privilege(), has_createrole_privilege(), has_rolinherit(), has_rolreplication(), has_subclass(), hash_ok_operator(), hashvalidate(), have_createdb_privilege(), heap_drop_with_catalog(), inclusion_get_strategy_procinfo(), index_check_primary_key(), index_concurrently_create_copy(), index_create(), index_drop(), index_get_partition(), indexam_property(), IndexGetRelation(), IndexSupportsBackwardScan(), init_sql_fcache(), initialize_peragg(), InitializeSessionUserId(), inline_set_returning_function(), InsertRule(), internal_get_result_type(), interpret_function_parameter_list(), IsBinaryCoercible(), load_domaintype_info(), load_rangetype_info(), logicalrep_write_tuple(), logicalrep_write_typ(), lookup_collation(), lookup_collation_cache(), lookup_ts_config_cache(), lookup_ts_dictionary_cache(), lookup_ts_parser_cache(), lookup_type_cache(), LookupTypeNameOid(), make_callstmt_target(), make_inh_translation_list(), make_new_heap(), make_op(), make_scalar_array_op(), map_sql_table_to_xmlschema(), map_sql_type_to_xml_name(), minmax_get_strategy_procinfo(), minmax_multi_get_strategy_procinfo(), nextval_internal(), op_hashjoinable(), op_input_types(), op_mergejoinable(), OpclassIsVisible(), OperatorGet(), OperatorIsVisible(), OpernameGetOprid(), OpfamilyIsVisible(), ParseFuncOrColumn(), parseTypeString(), pg_attribute_aclcheck_all(), pg_attribute_aclmask_ext(), pg_class_aclmask_ext(), pg_class_ownercheck(), pg_collation_actual_version(), pg_collation_ownercheck(), pg_conversion_ownercheck(), pg_database_aclmask(), pg_database_collation_actual_version(), 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_arg_default(), pg_get_function_arguments(), pg_get_function_identity_arguments(), pg_get_function_result(), pg_get_function_sqlbody(), pg_get_functiondef(), pg_get_indexdef_worker(), pg_get_partkeydef_worker(), pg_get_statisticsobj_worker(), pg_get_statisticsobjdef_expressions(), pg_get_userbyid(), pg_language_aclmask(), pg_language_ownercheck(), pg_namespace_aclmask(), pg_namespace_ownercheck(), pg_newlocale_from_collation(), pg_nextoid(), pg_opclass_ownercheck(), pg_oper_ownercheck(), pg_opfamily_ownercheck(), pg_parameter_acl_aclmask(), pg_parameter_aclmask(), pg_proc_aclmask(), pg_proc_ownercheck(), pg_publication_ownercheck(), pg_relation_filenode(), pg_relation_filepath(), pg_relation_is_publishable(), pg_sequence_parameters(), pg_statistics_object_ownercheck(), pg_subscription_ownercheck(), pg_tablespace_aclmask(), pg_tablespace_ownercheck(), pg_ts_config_ownercheck(), pg_ts_dict_ownercheck(), pg_type_aclmask(), pg_type_ownercheck(), pgoutput_column_list_init(), pgoutput_row_filter_init(), plperl_validator(), plpgsql_build_datatype(), plpgsql_compile(), plpgsql_parse_cwordtype(), plpgsql_parse_wordtype(), plpgsql_validator(), plpython3_validator(), plsample_func_handler(), plsample_trigger_handler(), PLy_procedure_create(), PLy_procedure_get(), prepare_column_cache(), preprocess_aggref(), print_function_arguments(), ProcedureCreate(), pub_collist_contains_invalid_column(), pub_rf_contains_invalid_column(), RangeVarCallbackForAlterRelation(), RangeVarCallbackForAttachIndex(), RangeVarCallbackForDropRelation(), RangeVarCallbackForPolicy(), RangeVarCallbackForRenameAttribute(), RangeVarCallbackForRenameRule(), RangeVarCallbackForRenameTrigger(), RangeVarCallbackForTruncate(), RangeVarCallbackOwnsRelation(), recomputeNamespacePath(), recordExtObjInitPriv(), refresh_by_match_merge(), regclassout(), regcollationout(), regconfigout(), regdictionaryout(), regoperout(), regprocout(), regtypeout(), relation_mark_replica_identity(), RelationBuildPartitionDesc(), RelationBuildPartitionKey(), RelationBuildPublicationDesc(), RelationCacheInitializePhase3(), RelationClearMissing(), relationHasPrimaryKey(), RelationInitIndexAccessInfo(), RelationInitTableAccessMethod(), RelationIsVisible(), RelationReloadIndexInfo(), RemoveConstraintById(), removeExtObjInitPriv(), RemoveFunctionById(), RemoveOperatorById(), RemovePartitionKeyByRelId(), RemovePublicationById(), RemovePublicationRelById(), RemovePublicationSchemaById(), RemoveRoleFromObjectPolicy(), RemoveStatisticsById(), RemoveStatisticsDataById(), RemoveTSConfigurationById(), RemoveTypeById(), rename_constraint_internal(), RenameConstraint(), RenameRole(), replorigin_by_name(), replorigin_by_oid(), replorigin_drop_guts(), ResetSequence(), ResolveOpClass(), ri_GenerateQualCollation(), ri_LoadConstraintInfo(), roles_is_member_of(), SearchSysCacheAttName(), SearchSysCacheAttNum(), SearchSysCacheCopy(), SearchSysCacheCopyAttName(), SearchSysCacheCopyAttNum(), SearchSysCacheExists(), SearchSysCacheExistsAttName(), sepgsql_proc_setattr(), sepgsql_relation_setattr(), sequence_options(), SetAttrMissing(), SetDefaultACL(), simplify_function(), spgvalidate(), SPI_gettype(), statext_dependencies_load(), statext_expressions_load(), statext_mcv_load(), statext_ndistinct_load(), StatisticsGetRelation(), StatisticsObjIsVisible(), superuser_arg(), transformCallStmt(), transformColumnDefinition(), transformColumnNameList(), transformColumnType(), transformFkeyCheckAttrs(), transformFkeyGetPrimaryKey(), transformOfType(), triggered_change_notification(), tryAttachPartitionForeignKey(), TryReuseForeignKey(), TSConfigIsVisible(), TSDictionaryIsVisible(), TSParserIsVisible(), TSTemplateIsVisible(), TupleDescInitEntry(), typeidTypeRelid(), typeIsOfTypedTable(), TypeIsVisible(), typenameTypeId(), typenameTypeIdAndMod(), typeOrDomainTypeRelid(), update_attstats(), validatePartitionedIndex(), and verify_dictoptions().

SearchSysCache()

HeapTuple SearchSysCache	(	int	cacheId,
		Datum	key1,
		Datum	key2,
		Datum	key3,
		Datum	key4
	)

Definition at line 1160 of file syscache.c.

{
    Assert(cacheId >= 0 && cacheId < SysCacheSize &&
           PointerIsValid(SysCache[cacheId]));
 
    return SearchCatCache(SysCache[cacheId], key1, key2, key3, key4);
}

References Assert(), PointerIsValid, SearchCatCache(), SysCache, and SysCacheSize.

Referenced by GetSysCacheOid(), SearchSysCacheCopy(), and SearchSysCacheExists().

SearchSysCache1()

HeapTuple SearchSysCache1	(	int	cacheId,
		Datum	key1
	)

Definition at line 1173 of file syscache.c.

{
    Assert(cacheId >= 0 && cacheId < SysCacheSize &&
           PointerIsValid(SysCache[cacheId]));
    Assert(SysCache[cacheId]->cc_nkeys == 1);
 
    return SearchCatCache1(SysCache[cacheId], key1);
}

References Assert(), PointerIsValid, SearchCatCache1(), SysCache, and SysCacheSize.

Referenced by aclitemout(), add_cast_to(), add_function_cost(), AggregateCreate(), AlterDomainValidateConstraint(), AlterEnum(), AlterObjectRename_internal(), AlterOpFamily(), AlterSchemaOwner(), AlterSchemaOwner_oid(), AlterStatistics(), AlterTSDictionary(), AlterTypeOwner_oid(), AlterTypeRecurse(), amvalidate(), appendFunctionName(), appendOrderBySuffix(), assignOperTypes(), assignProcTypes(), ATAddForeignKeyConstraint(), ATDetachCheckNoForeignKeyRefs(), ATExecAlterColumnGenericOptions(), ATExecAlterConstraint(), ATExecChangeOwner(), ATExecDropNotNull(), ATExecSetRelOptions(), ATPostAlterTypeCleanup(), blvalidate(), brinvalidate(), btvalidate(), build_coercion_expression(), CacheInvalidateRelcacheByRelid(), call_pltcl_start_proc(), CallStmtResultDesc(), check_amop_signature(), check_amproc_signature(), check_enable_rls(), check_hash_func_signature(), check_object_ownership(), check_role(), check_session_authorization(), check_TSCurrentConfig(), CheckFunctionValidatorAccess(), CheckIndexCompatible(), CheckMyDatabase(), CloneFkReferenced(), CloneFkReferencing(), CollationIsVisible(), compile_plperl_function(), compile_pltcl_function(), ComputeIndexAttrs(), ConstraintSetParentConstraint(), ConstructTupleDescriptor(), ConversionIsVisible(), CreateCast(), CreateEventTrigger(), CreateFunction(), CreateProceduralLanguage(), CreateSchemaCommand(), CreateTransform(), DefineCollation(), DefineIndex(), DefineOpClass(), DefineTSConfiguration(), DeleteRelationTuple(), DeleteSequenceTuple(), deparseOpExpr(), deparseScalarArrayOpExpr(), DetachPartitionFinalize(), do_autovacuum(), do_compile(), do_setval(), dropdb(), DropObjectById(), DropRole(), enum_cmp_internal(), enum_out(), enum_send(), errdatatype(), eval_const_expressions_mutator(), ExecGrant_Database(), ExecGrant_Fdw(), ExecGrant_ForeignServer(), ExecGrant_Function(), ExecGrant_Language(), ExecGrant_Namespace(), ExecGrant_Parameter(), ExecGrant_Relation(), ExecGrant_Tablespace(), ExecGrant_Type(), ExecInitAgg(), ExecuteCallStmt(), ExecuteDoStmt(), expand_vacuum_rel(), fetch_agg_sort_op(), fetch_fp_info(), fillTypeDesc(), 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(), fmgr_symbol(), format_operator_extended(), format_operator_parts(), format_procedure_extended(), format_procedure_parts(), format_type_extended(), func_get_detail(), func_parallel(), func_strict(), func_volatile(), FunctionIsVisible(), generate_collation_name(), generate_function_name(), generate_operator_clause(), generate_operator_name(), generate_partition_qual(), generate_qualified_relation_name(), generate_qualified_type_name(), generate_relation_name(), generateClonedExtStatsStmt(), generateClonedIndexStmt(), get_am_name(), get_am_type_oid(), get_array_type(), get_attstatsslot(), get_base_element_type(), get_collation(), get_collation_isdeterministic(), get_collation_name(), get_commutator(), get_constraint_index(), get_constraint_name(), get_database_name(), get_db_info(), get_default_partition_oid(), get_element_type(), get_func_leakproof(), get_func_name(), get_func_namespace(), get_func_nargs(), get_func_prokind(), get_func_result_name(), get_func_retset(), get_func_rettype(), get_func_signature(), get_func_support(), get_func_variadictype(), get_function_rows(), get_index_column_opclass(), get_index_isclustered(), get_index_isreplident(), get_index_isvalid(), get_language_name(), get_multirange_range(), get_namespace_name(), get_negator(), get_object_address_defacl(), get_object_address_usermapping(), get_object_namespace(), get_op_rettype(), get_opclass(), get_opclass_family(), get_opclass_input_type(), get_opclass_name(), get_opclass_opfamily_and_input_type(), get_opcode(), get_opname(), get_oprjoin(), get_oprrest(), get_publication_name(), get_qual_for_range(), get_range_collation(), get_range_multirange(), get_range_subtype(), get_rel_name(), get_rel_namespace(), get_rel_persistence(), get_rel_relispartition(), get_rel_relkind(), get_rel_tablespace(), get_rel_type_id(), get_relation_statistics(), get_ri_constraint_root(), get_role_password(), get_rolespec_tuple(), get_subscription_name(), 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_typsubscript(), get_typtype(), getBaseTypeAndTypmod(), GetFdwRoutineByServerId(), GetForeignDataWrapperExtended(), GetForeignServerExtended(), GetForeignServerIdByRelId(), GetForeignTable(), GetIndexAmRoutineByAmId(), getObjectDescription(), getObjectIdentityParts(), getOpFamilyDescription(), getOpFamilyIdentity(), getProcedureTypeDescription(), GetPublication(), getPublicationSchemaInfo(), getRelationDescription(), getRelationIdentity(), getRelationTypeDescription(), GetSubscription(), GetTSConfigTuple(), getTypeBinaryInputInfo(), getTypeBinaryOutputInfo(), getTypeInputInfo(), getTypeOutputInfo(), GetUserNameFromId(), ginvalidate(), gistvalidate(), has_bypassrls_privilege(), has_createrole_privilege(), has_rolinherit(), has_rolreplication(), has_subclass(), hash_ok_operator(), hashvalidate(), have_createdb_privilege(), heap_drop_with_catalog(), index_concurrently_create_copy(), index_create(), index_drop(), index_get_partition(), indexam_property(), IndexGetRelation(), IndexSupportsBackwardScan(), init_sql_fcache(), initialize_peragg(), InitializeSessionUserId(), inline_set_returning_function(), internal_get_result_type(), left_oper(), load_domaintype_info(), load_rangetype_info(), logicalrep_write_tuple(), logicalrep_write_typ(), lookup_collation_cache(), lookup_ts_config_cache(), lookup_ts_dictionary_cache(), lookup_ts_parser_cache(), lookup_type_cache(), LookupTypeNameExtended(), make_callstmt_target(), make_new_heap(), map_sql_table_to_xmlschema(), map_sql_type_to_xml_name(), nextval_internal(), op_hashjoinable(), op_input_types(), op_mergejoinable(), OpClassCacheLookup(), OpclassIsVisible(), oper(), OperatorIsVisible(), OpFamilyCacheLookup(), OpfamilyIsVisible(), ParseFuncOrColumn(), pg_attribute_aclcheck_all(), pg_attribute_aclmask_ext(), pg_class_aclmask_ext(), pg_class_ownercheck(), pg_collation_actual_version(), pg_collation_ownercheck(), pg_conversion_ownercheck(), pg_database_aclmask(), pg_database_collation_actual_version(), 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_arg_default(), pg_get_function_arguments(), pg_get_function_identity_arguments(), pg_get_function_result(), pg_get_function_sqlbody(), pg_get_functiondef(), pg_get_indexdef_worker(), pg_get_partkeydef_worker(), pg_get_statisticsobj_worker(), pg_get_statisticsobjdef_expressions(), 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_parameter_acl_aclmask(), pg_parameter_aclmask(), pg_proc_aclmask(), pg_proc_ownercheck(), pg_publication_ownercheck(), pg_relation_filenode(), pg_relation_filepath(), pg_relation_is_publishable(), pg_sequence_parameters(), pg_statistics_object_ownercheck(), pg_subscription_ownercheck(), 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_validator(), plpython3_validator(), plsample_func_handler(), plsample_trigger_handler(), PLy_procedure_create(), PLy_procedure_get(), prepare_column_cache(), preprocess_aggref(), print_function_arguments(), RangeVarCallbackForAlterRelation(), RangeVarCallbackForAttachIndex(), RangeVarCallbackForDropRelation(), RangeVarCallbackForPolicy(), RangeVarCallbackForRenameAttribute(), RangeVarCallbackForRenameRule(), RangeVarCallbackForRenameTrigger(), RangeVarCallbackForTruncate(), RangeVarCallbackOwnsRelation(), recomputeNamespacePath(), recordExtObjInitPriv(), refresh_by_match_merge(), regclassout(), regcollationout(), regconfigout(), regdictionaryout(), regoperout(), regprocout(), regtypeout(), relation_mark_replica_identity(), RelationBuildPartitionDesc(), RelationBuildPartitionKey(), RelationBuildPublicationDesc(), RelationCacheInitializePhase3(), relationHasPrimaryKey(), RelationInitIndexAccessInfo(), RelationInitTableAccessMethod(), RelationIsVisible(), RelationReloadIndexInfo(), RemoveConstraintById(), removeExtObjInitPriv(), RemoveFunctionById(), RemoveOperatorById(), RemovePartitionKeyByRelId(), RemovePublicationById(), RemovePublicationRelById(), RemovePublicationSchemaById(), RemoveRoleFromObjectPolicy(), RemoveStatisticsById(), RemoveTSConfigurationById(), RemoveTypeById(), rename_constraint_internal(), RenameConstraint(), RenameRole(), replorigin_by_name(), replorigin_by_oid(), replorigin_drop_guts(), ResetSequence(), ResolveOpClass(), ri_GenerateQualCollation(), ri_LoadConstraintInfo(), roles_is_member_of(), sepgsql_proc_setattr(), sepgsql_relation_setattr(), sequence_options(), simplify_function(), spgvalidate(), SPI_gettype(), StatisticsGetRelation(), StatisticsObjIsVisible(), superuser_arg(), transformCallStmt(), transformFkeyCheckAttrs(), transformFkeyGetPrimaryKey(), triggered_change_notification(), tryAttachPartitionForeignKey(), TryReuseForeignKey(), TSConfigIsVisible(), TSDictionaryIsVisible(), TSParserIsVisible(), TSTemplateIsVisible(), TupleDescInitEntry(), typeidType(), typeidTypeRelid(), typeIsOfTypedTable(), TypeIsVisible(), typeOrDomainTypeRelid(), validatePartitionedIndex(), and verify_dictoptions().

SearchSysCache2()

HeapTuple SearchSysCache2	(	int	cacheId,
		Datum	key1,
		Datum	key2
	)

Definition at line 1184 of file syscache.c.

{
    Assert(cacheId >= 0 && cacheId < SysCacheSize &&
           PointerIsValid(SysCache[cacheId]));
    Assert(SysCache[cacheId]->cc_nkeys == 2);
 
    return SearchCatCache2(SysCache[cacheId], key1, key2);
}

References Assert(), PointerIsValid, SearchCatCache2(), SysCache, and SysCacheSize.

Referenced by AddEnumLabel(), AddRoleMems(), AlterPublicationOptions(), AlterPublicationTables(), CastCreate(), check_for_column_name_collision(), convert_column_name(), CreateTransform(), DelRoleMems(), DropSubscription(), enum_in(), enum_recv(), ExecGrant_Attribute(), expand_all_col_privileges(), find_coercion_pathway(), find_typmod_coercion_function(), fixup_whole_row_references(), get_attgenerated(), get_attname(), get_attoptions(), get_attribute_options(), get_attstattarget(), get_atttype(), get_atttypetypmodcoll(), get_object_address_usermapping(), get_relation_statistics_worker(), get_rewrite_oid(), get_rte_attribute_is_dropped(), get_transform_fromsql(), get_transform_tosql(), GetForeignColumnOptions(), GetSubscriptionRelState(), GetUserMapping(), index_check_primary_key(), InsertRule(), IsBinaryCoercible(), pg_attribute_aclcheck_all(), pg_attribute_aclmask_ext(), pgoutput_column_list_init(), pgoutput_row_filter_init(), pub_collist_contains_invalid_column(), pub_rf_contains_invalid_column(), recordExtObjInitPriv(), RelationClearMissing(), removeExtObjInitPriv(), RemoveStatisticsDataById(), SearchSysCacheAttName(), SearchSysCacheAttNum(), statext_dependencies_load(), statext_expressions_load(), statext_mcv_load(), and statext_ndistinct_load().

SearchSysCache3()

HeapTuple SearchSysCache3	(	int	cacheId,
		Datum	key1,
		Datum	key2,
		Datum	key3
	)

Definition at line 1195 of file syscache.c.

{
    Assert(cacheId >= 0 && cacheId < SysCacheSize &&
           PointerIsValid(SysCache[cacheId]));
    Assert(SysCache[cacheId]->cc_nkeys == 3);
 
    return SearchCatCache3(SysCache[cacheId], key1, key2, key3);
}

References Assert(), PointerIsValid, SearchCatCache3(), SysCache, and SysCacheSize.

Referenced by brincostestimate(), btcostestimate(), DefineOpClass(), examine_simple_variable(), examine_variable(), ExecHashBuildSkewHash(), get_attavgwidth(), get_default_acl_internal(), get_object_address_defacl(), get_op_opfamily_properties(), get_op_opfamily_sortfamily(), get_op_opfamily_strategy(), lookup_collation(), OpClassCacheLookup(), OpFamilyCacheLookup(), ProcedureCreate(), ResolveOpClass(), SetDefaultACL(), and update_attstats().

SearchSysCache4()

HeapTuple SearchSysCache4	(	int	cacheId,
		Datum	key1,
		Datum	key2,
		Datum	key3,
		Datum	key4
	)

Definition at line 1206 of file syscache.c.

{
    Assert(cacheId >= 0 && cacheId < SysCacheSize &&
           PointerIsValid(SysCache[cacheId]));
    Assert(SysCache[cacheId]->cc_nkeys == 4);
 
    return SearchCatCache4(SysCache[cacheId], key1, key2, key3, key4);
}

References Assert(), PointerIsValid, SearchCatCache4(), SysCache, and SysCacheSize.

Referenced by get_object_address_opf_member(), get_opfamily_member(), get_opfamily_proc(), inclusion_get_strategy_procinfo(), minmax_get_strategy_procinfo(), minmax_multi_get_strategy_procinfo(), OperatorGet(), and OpernameGetOprid().

SearchSysCacheAttName()

HeapTuple SearchSysCacheAttName	(	Oid	relid,
		const char *	attname
	)

Definition at line 1314 of file syscache.c.

{
    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;
}

References attname, ATTNAME, CStringGetDatum, GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum, ReleaseSysCache(), and SearchSysCache2().

Referenced by ATExecAlterColumnGenericOptions(), ATExecCheckNotNull(), ATExecDropColumn(), ATExecSetOptions(), ATPrepAlterColumnType(), ATPrepSetNotNull(), ComputeIndexAttrs(), ComputePartitionAttrs(), CreateStatistics(), get_attnum(), make_inh_translation_list(), pg_nextoid(), plpgsql_parse_cwordtype(), SearchSysCacheCopyAttName(), SearchSysCacheExistsAttName(), SetAttrMissing(), and transformColumnNameList().

SearchSysCacheAttNum()

HeapTuple SearchSysCacheAttNum	(	Oid	relid,
		int16	attnum
	)

Definition at line 1377 of file syscache.c.

{
    HeapTuple   tuple;
 
    tuple = SearchSysCache2(ATTNUM,
                            ObjectIdGetDatum(relid),
                            Int16GetDatum(attnum));
    if (!HeapTupleIsValid(tuple))
        return NULL;
    if (((Form_pg_attribute) GETSTRUCT(tuple))->attisdropped)
    {
        ReleaseSysCache(tuple);
        return NULL;
    }
    return tuple;
}

References attnum, ATTNUM, GETSTRUCT, HeapTupleIsValid, Int16GetDatum, ObjectIdGetDatum, ReleaseSysCache(), and SearchSysCache2().

Referenced by SearchSysCacheCopyAttNum().

SearchSysCacheCopy()

HeapTuple SearchSysCacheCopy	(	int	cacheId,
		Datum	key1,
		Datum	key2,
		Datum	key3,
		Datum	key4
	)

Definition at line 1235 of file syscache.c.

{
    HeapTuple   tuple,
                newtuple;
 
    tuple = SearchSysCache(cacheId, key1, key2, key3, key4);
    if (!HeapTupleIsValid(tuple))
        return tuple;
    newtuple = heap_copytuple(tuple);
    ReleaseSysCache(tuple);
    return newtuple;
}

References heap_copytuple(), HeapTupleIsValid, ReleaseSysCache(), and SearchSysCache().

SearchSysCacheCopyAttName()

HeapTuple SearchSysCacheCopyAttName	(	Oid	relid,
		const char *	attname
	)

Definition at line 1337 of file syscache.c.

{
    HeapTuple   tuple,
                newtuple;
 
    tuple = SearchSysCacheAttName(relid, attname);
    if (!HeapTupleIsValid(tuple))
        return tuple;
    newtuple = heap_copytuple(tuple);
    ReleaseSysCache(tuple);
    return newtuple;
}

References attname, heap_copytuple(), HeapTupleIsValid, ReleaseSysCache(), and SearchSysCacheAttName().

Referenced by ATExecAddColumn(), ATExecAddIdentity(), ATExecAlterColumnType(), ATExecDropColumn(), ATExecDropExpression(), ATExecDropIdentity(), ATExecDropNotNull(), ATExecSetCompression(), ATExecSetIdentity(), ATExecSetNotNull(), ATExecSetStatistics(), ATExecSetStorage(), ATPrepDropExpression(), MergeAttributesIntoExisting(), and renameatt_internal().

SearchSysCacheCopyAttNum()

HeapTuple SearchSysCacheCopyAttNum	(	Oid	relid,
		int16	attnum
	)

Definition at line 1400 of file syscache.c.

{
    HeapTuple   tuple,
                newtuple;
 
    tuple = SearchSysCacheAttNum(relid, attnum);
    if (!HeapTupleIsValid(tuple))
        return NULL;
    newtuple = heap_copytuple(tuple);
    ReleaseSysCache(tuple);
    return newtuple;
}

References attnum, heap_copytuple(), HeapTupleIsValid, ReleaseSysCache(), and SearchSysCacheAttNum().

Referenced by ATExecSetStatistics(), and SetIndexStorageProperties().

SearchSysCacheExists()

bool SearchSysCacheExists	(	int	cacheId,
		Datum	key1,
		Datum	key2,
		Datum	key3,
		Datum	key4
	)

Definition at line 1259 of file syscache.c.

{
    HeapTuple   tuple;
 
    tuple = SearchSysCache(cacheId, key1, key2, key3, key4);
    if (!HeapTupleIsValid(tuple))
        return false;
    ReleaseSysCache(tuple);
    return true;
}

References HeapTupleIsValid, ReleaseSysCache(), and SearchSysCache().

SearchSysCacheExistsAttName()

bool SearchSysCacheExistsAttName	(	Oid	relid,
		const char *	attname
	)

Definition at line 1356 of file syscache.c.

{
    HeapTuple   tuple;
 
    tuple = SearchSysCacheAttName(relid, attname);
    if (!HeapTupleIsValid(tuple))
        return false;
    ReleaseSysCache(tuple);
    return true;
}

References attname, HeapTupleIsValid, ReleaseSysCache(), and SearchSysCacheAttName().

Referenced by RemoveInheritance().

SearchSysCacheList()

struct catclist* SearchSysCacheList	(	int	cacheId,
		int	nkeys,
		Datum	key1,
		Datum	key2,
		Datum	key3
	)

Definition at line 1486 of file syscache.c.

{
    if (cacheId < 0 || cacheId >= SysCacheSize ||
        !PointerIsValid(SysCache[cacheId]))
        elog(ERROR, "invalid cache ID: %d", cacheId);
 
    return SearchCatCacheList(SysCache[cacheId], nkeys,
                              key1, key2, key3);
}

References elog, ERROR, catclist::nkeys, PointerIsValid, SearchCatCacheList(), SysCache, and SysCacheSize.

SysCacheGetAttr()

Datum SysCacheGetAttr	(	int	cacheId,
		HeapTuple	tup,
		AttrNumber	attributeNumber,
		bool *	isNull
	)

Definition at line 1434 of file syscache.c.

{
    /*
     * 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);
}

References Assert(), elog, ERROR, heap_getattr(), InitCatCachePhase2(), PointerIsValid, SysCache, and SysCacheSize.

Referenced by AlterCollation(), AlterDomainValidateConstraint(), AlterForeignDataWrapper(), AlterForeignServer(), AlterFunction(), AlterPublicationTables(), AlterRole(), AlterSchemaOwner_internal(), AlterTSDictionary(), AlterUserMapping(), ATExecAlterColumnGenericOptions(), ATExecChangeOwner(), ATExecGenericOptions(), ATExecSetOptions(), ATExecSetRelOptions(), ATExecValidateConstraint(), build_function_result_tupdesc_t(), build_replindex_scan_key(), CheckIndexCompatible(), CheckMyDatabase(), compile_plperl_function(), compile_pltcl_function(), DeconstructFkConstraintRow(), DefineCollation(), DefineDomain(), do_compile(), DropSubscription(), ExecGrant_Attribute(), ExecGrant_Fdw(), ExecGrant_ForeignServer(), ExecGrant_Function(), ExecGrant_Language(), ExecGrant_Namespace(), ExecGrant_Parameter(), ExecGrant_Relation(), ExecInitAgg(), expand_function_arguments(), fetch_function_defaults(), fetch_statentries_for_relation(), flatten_reloptions(), fmgr_c_validator(), fmgr_info_C_lang(), fmgr_info_cxt_security(), fmgr_internal_validator(), fmgr_security_definer(), fmgr_sql_validator(), fmgr_symbol(), func_get_detail(), FuncnameGetCandidates(), generate_partition_qual(), generateClonedExtStatsStmt(), generateClonedIndexStmt(), get_attoptions(), get_attribute_options(), get_attstatsslot(), get_db_info(), get_default_acl_internal(), get_func_arg_info(), get_func_result_name(), get_func_trftypes(), get_index_column_opclass(), get_object_namespace(), get_qual_for_range(), get_relation_statistics(), get_role_password(), get_tablespace(), get_typdefault(), GetForeignColumnOptions(), GetForeignDataWrapperExtended(), GetForeignServerExtended(), GetForeignTable(), getObjectDescription(), getObjectIdentityParts(), GetSubscription(), GetSubscriptionNotReadyRelations(), GetSubscriptionRelations(), GetSubscriptionRelState(), GetUserMapping(), inclusion_get_strategy_procinfo(), index_concurrently_create_copy(), index_opclass_options(), init_sql_fcache(), initialize_peragg(), inline_function(), inline_set_returning_function(), lookup_collation_cache(), lookup_ts_dictionary_cache(), make_new_heap(), MatchNamedCall(), minmax_get_strategy_procinfo(), minmax_multi_get_strategy_procinfo(), pg_attribute_aclmask_ext(), pg_class_aclmask_ext(), pg_collation_actual_version(), pg_database_aclmask(), pg_database_collation_actual_version(), pg_foreign_data_wrapper_aclmask(), pg_foreign_server_aclmask(), pg_get_constraintdef_worker(), pg_get_function_arg_default(), pg_get_function_sqlbody(), pg_get_functiondef(), pg_get_indexdef_worker(), pg_get_partkeydef_worker(), pg_get_publication_tables(), pg_get_statisticsobj_worker(), pg_get_statisticsobjdef_expressions(), pg_language_aclmask(), pg_namespace_aclmask(), pg_newlocale_from_collation(), pg_parameter_acl_aclmask(), pg_parameter_aclmask(), pg_proc_aclmask(), pg_tablespace_aclmask(), pg_type_aclmask(), pgoutput_column_list_init(), pgoutput_row_filter_init(), plsample_func_handler(), plsample_trigger_handler(), PLy_procedure_create(), prepare_sql_fn_parse_info(), preprocess_aggref(), print_function_arguments(), print_function_sqlbody(), ProcedureCreate(), pub_collist_contains_invalid_column(), pub_rf_contains_invalid_column(), recordExtObjInitPriv(), refresh_by_match_merge(), RelationBuildPartitionDesc(), RelationBuildPartitionKey(), SetDefaultACL(), statext_dependencies_load(), statext_expressions_load(), statext_mcv_load(), statext_ndistinct_load(), StorePartitionBound(), test_indoption(), transformCallStmt(), transformFkeyCheckAttrs(), transformFkeyGetPrimaryKey(), transformIndexConstraint(), and TryReuseForeignKey().

SysCacheInvalidate()

void SysCacheInvalidate	(	int	cacheId,
		uint32	hashValue
	)

Definition at line 1506 of file syscache.c.

{
    if (cacheId < 0 || cacheId >= SysCacheSize)
        elog(ERROR, "invalid cache ID: %d", cacheId);
 
    /* if this cache isn't initialized yet, no need to do anything */
    if (!PointerIsValid(SysCache[cacheId]))
        return;
 
    CatCacheInvalidate(SysCache[cacheId], hashValue);
}

References CatCacheInvalidate(), elog, ERROR, PointerIsValid, SysCache, and SysCacheSize.

Referenced by LocalExecuteInvalidationMessage().

Variable Documentation

cacheinfo

const struct cachedesc cacheinfo[]

static

Definition at line 1 of file syscache.c.

Referenced by InitCatalogCache().

CacheInitialized

bool CacheInitialized = false

static

Definition at line 1045 of file syscache.c.

Referenced by InitCatalogCache(), and InitCatalogCachePhase2().

SysCache

CatCache* SysCache[SysCacheSize]

static

Definition at line 1043 of file syscache.c.

Referenced by GetSysCacheHashValue(), GetSysCacheOid(), InitCatalogCache(), InitCatalogCachePhase2(), SearchSysCache(), SearchSysCache1(), SearchSysCache2(), SearchSysCache3(), SearchSysCache4(), SearchSysCacheList(), SysCacheGetAttr(), and SysCacheInvalidate().

SysCacheRelationOid

Oid SysCacheRelationOid[SysCacheSize]

static

Definition at line 1048 of file syscache.c.

Referenced by InitCatalogCache(), and RelationHasSysCache().

SysCacheRelationOidSize

int SysCacheRelationOidSize

static

Definition at line 1049 of file syscache.c.

Referenced by InitCatalogCache(), and RelationHasSysCache().

SysCacheSupportingRelOid

Oid SysCacheSupportingRelOid[SysCacheSize *2]

static

Definition at line 1052 of file syscache.c.

Referenced by InitCatalogCache(), and RelationSupportsSysCache().

SysCacheSupportingRelOidSize

int SysCacheSupportingRelOidSize

static

Definition at line 1053 of file syscache.c.

Referenced by InitCatalogCache(), and RelationSupportsSysCache().