Module: ActiveRecord

Relationships & Source Files
Namespace Children
Modules: `Aggregations`, `Associations`, `AttributeAssignment`, `AttributeMethods`, `Attributes`, `AutosaveAssociation`, `Batches`, `Calculations`, `Callbacks`, `Coders`, `CollectionCacheKey`, `ConnectionAdapters`, `ConnectionHandling`, `Core`, `CounterCache`, `DefineCallbacks`, `DynamicMatchers`, `Enum`, `Explain`, `FinderMethods`, `Generators`, `Inheritance`, `Integration`, `LegacyYamlAdapter`, `Locking`, `ModelSchema`, `NestedAttributes`, `NoTouching`, `Persistence`, `QueryMethods`, `Querying`, `ReadonlyAttributes`, `Reflection`, `Sanitization`, `Scoping`, `SecureToken`, `Serialization`, `SpawnMethods`, `Store`, `Suppressor`, `Tasks`, `TestFixtures`, `Timestamp`, `TouchLater`, `Transactions`, `Translation`, `Type`, `TypeCaster`, `VERSION`, `Validations`
Classes: `AssociationRelation`, `Base`, `FixtureSet`, `LogSubscriber`, `Migration`, `MigrationProxy`, `Point`, `PredicateBuilder`, `QueryCache`, `Relation`, `Result`, `Schema`
Exceptions: `ActiveRecordError`, `AdapterNotFound`, `AdapterNotSpecified`, `AssociationTypeMismatch`, `AttributeAssignmentError`, `ConfigurationError`, `ConnectionNotEstablished`, `ConnectionTimeoutError`, `DangerousAttributeError`, `Deadlocked`, `EagerLoadPolymorphicError`, `EnvironmentMismatchError`, `ExclusiveConnectionTimeoutError`, `ImmutableRelation`, `InvalidForeignKey`, `IrreversibleMigration`, `IrreversibleOrderError`, `LockWaitTimeout`, `MismatchedForeignKey`, `MultiparameterAssignmentErrors`, `NoDatabaseError`, `NotNullViolation`, `PreparedStatementCacheExpired`, `PreparedStatementInvalid`, `QueryCanceled`, `RangeError`, `ReadOnlyRecord`, `RecordInvalid`, `RecordNotDestroyed`, `RecordNotFound`, `RecordNotSaved`, `RecordNotUnique`, `Rollback`, `SerializationFailure`, `SerializationTypeMismatch`, `StaleObjectError`, `StatementInvalid`, `StatementTimeout`, `SubclassNotFound`, `TransactionIsolationError`, `TransactionRollbackError`, `TypeConflictError`, `UnknownAttributeReference`, `UnknownPrimaryKey`, `ValueTooLong`, `WrappedDatabaseException`
Super Chains via Extension / Inclusion / Inheritance
Class Chain: self, `::ActiveSupport::Autoload`
Defined in:	activerecord/lib/active_record.rb, activerecord/lib/active_record/aggregations.rb, activerecord/lib/active_record/association_relation.rb, activerecord/lib/active_record/associations.rb, activerecord/lib/active_record/attribute_assignment.rb, activerecord/lib/active_record/attribute_decorators.rb, activerecord/lib/active_record/attribute_methods.rb, activerecord/lib/active_record/attributes.rb, activerecord/lib/active_record/autosave_association.rb, activerecord/lib/active_record/base.rb, activerecord/lib/active_record/callbacks.rb, activerecord/lib/active_record/collection_cache_key.rb, activerecord/lib/active_record/connection_handling.rb, activerecord/lib/active_record/core.rb, activerecord/lib/active_record/counter_cache.rb, activerecord/lib/active_record/define_callbacks.rb, activerecord/lib/active_record/dynamic_matchers.rb, activerecord/lib/active_record/enum.rb, activerecord/lib/active_record/errors.rb, activerecord/lib/active_record/explain.rb, activerecord/lib/active_record/explain_registry.rb, activerecord/lib/active_record/explain_subscriber.rb, activerecord/lib/active_record/fixtures.rb, activerecord/lib/active_record/fixtures.rb, activerecord/lib/active_record/gem_version.rb, activerecord/lib/active_record/inheritance.rb, activerecord/lib/active_record/integration.rb, activerecord/lib/active_record/internal_metadata.rb, activerecord/lib/active_record/legacy_yaml_adapter.rb, activerecord/lib/active_record/log_subscriber.rb, activerecord/lib/active_record/migration.rb, activerecord/lib/active_record/model_schema.rb, activerecord/lib/active_record/nested_attributes.rb, activerecord/lib/active_record/no_touching.rb, activerecord/lib/active_record/null_relation.rb, activerecord/lib/active_record/persistence.rb, activerecord/lib/active_record/query_cache.rb, activerecord/lib/active_record/querying.rb, activerecord/lib/active_record/railtie.rb, activerecord/lib/active_record/readonly_attributes.rb, activerecord/lib/active_record/reflection.rb, activerecord/lib/active_record/relation.rb, activerecord/lib/active_record/result.rb, activerecord/lib/active_record/runtime_registry.rb, activerecord/lib/active_record/sanitization.rb, activerecord/lib/active_record/schema.rb, activerecord/lib/active_record/schema_dumper.rb, activerecord/lib/active_record/schema_migration.rb, activerecord/lib/active_record/scoping.rb, activerecord/lib/active_record/secure_token.rb, activerecord/lib/active_record/serialization.rb, activerecord/lib/active_record/statement_cache.rb, activerecord/lib/active_record/store.rb, activerecord/lib/active_record/suppressor.rb, activerecord/lib/active_record/table_metadata.rb, activerecord/lib/active_record/timestamp.rb, activerecord/lib/active_record/touch_later.rb, activerecord/lib/active_record/transactions.rb, activerecord/lib/active_record/translation.rb, activerecord/lib/active_record/type.rb, activerecord/lib/active_record/type_caster.rb, activerecord/lib/active_record/validations.rb, activerecord/lib/active_record/version.rb, activerecord/lib/active_record/associations/alias_tracker.rb, activerecord/lib/active_record/associations/association.rb, activerecord/lib/active_record/associations/association_scope.rb, activerecord/lib/active_record/associations/belongs_to_association.rb, activerecord/lib/active_record/associations/belongs_to_polymorphic_association.rb, activerecord/lib/active_record/associations/collection_association.rb, activerecord/lib/active_record/associations/collection_proxy.rb, activerecord/lib/active_record/associations/has_many_association.rb, activerecord/lib/active_record/associations/has_many_through_association.rb, activerecord/lib/active_record/associations/has_one_association.rb, activerecord/lib/active_record/associations/has_one_through_association.rb, activerecord/lib/active_record/associations/join_dependency.rb, activerecord/lib/active_record/associations/preloader.rb, activerecord/lib/active_record/associations/singular_association.rb, activerecord/lib/active_record/associations/through_association.rb, activerecord/lib/active_record/associations/join_dependency/join_association.rb, activerecord/lib/active_record/associations/join_dependency/join_base.rb, activerecord/lib/active_record/associations/join_dependency/join_part.rb, activerecord/lib/active_record/associations/preloader/association.rb, activerecord/lib/active_record/associations/preloader/through_association.rb, activerecord/lib/active_record/attribute_methods/before_type_cast.rb, activerecord/lib/active_record/attribute_methods/dirty.rb, activerecord/lib/active_record/attribute_methods/primary_key.rb, activerecord/lib/active_record/attribute_methods/query.rb, activerecord/lib/active_record/attribute_methods/read.rb, activerecord/lib/active_record/attribute_methods/serialization.rb, activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb, activerecord/lib/active_record/attribute_methods/write.rb, activerecord/lib/active_record/coders/json.rb, activerecord/lib/active_record/coders/yaml_column.rb, activerecord/lib/active_record/connection_adapters/abstract_adapter.rb, activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, activerecord/lib/active_record/connection_adapters/column.rb, activerecord/lib/active_record/connection_adapters/connection_specification.rb, activerecord/lib/active_record/connection_adapters/determine_if_preparable_visitor.rb, activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb, activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb, activerecord/lib/active_record/connection_adapters/schema_cache.rb, activerecord/lib/active_record/connection_adapters/sql_type_metadata.rb, activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb, activerecord/lib/active_record/connection_adapters/statement_pool.rb, activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb, activerecord/lib/active_record/connection_adapters/abstract/database_limits.rb, activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb, activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb, activerecord/lib/active_record/connection_adapters/abstract/quoting.rb, activerecord/lib/active_record/connection_adapters/abstract/savepoints.rb, activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb, activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, activerecord/lib/active_record/connection_adapters/abstract/schema_dumper.rb, activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb, activerecord/lib/active_record/connection_adapters/abstract/transaction.rb, activerecord/lib/active_record/connection_adapters/mysql/column.rb, activerecord/lib/active_record/connection_adapters/mysql/database_statements.rb, activerecord/lib/active_record/connection_adapters/mysql/explain_pretty_printer.rb, activerecord/lib/active_record/connection_adapters/mysql/quoting.rb, activerecord/lib/active_record/connection_adapters/mysql/schema_creation.rb, activerecord/lib/active_record/connection_adapters/mysql/schema_definitions.rb, activerecord/lib/active_record/connection_adapters/mysql/schema_dumper.rb, activerecord/lib/active_record/connection_adapters/mysql/schema_statements.rb, activerecord/lib/active_record/connection_adapters/mysql/type_metadata.rb, activerecord/lib/active_record/connection_adapters/postgresql/column.rb, activerecord/lib/active_record/connection_adapters/postgresql/database_statements.rb, activerecord/lib/active_record/connection_adapters/postgresql/explain_pretty_printer.rb, activerecord/lib/active_record/connection_adapters/postgresql/oid.rb, activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb, activerecord/lib/active_record/connection_adapters/postgresql/referential_integrity.rb, activerecord/lib/active_record/connection_adapters/postgresql/schema_creation.rb, activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb, activerecord/lib/active_record/connection_adapters/postgresql/schema_dumper.rb, activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb, activerecord/lib/active_record/connection_adapters/postgresql/type_metadata.rb, activerecord/lib/active_record/connection_adapters/postgresql/utils.rb, activerecord/lib/active_record/connection_adapters/postgresql/oid/array.rb, activerecord/lib/active_record/connection_adapters/postgresql/oid/bit.rb, activerecord/lib/active_record/connection_adapters/postgresql/oid/bit_varying.rb, activerecord/lib/active_record/connection_adapters/postgresql/oid/bytea.rb, activerecord/lib/active_record/connection_adapters/postgresql/oid/cidr.rb, activerecord/lib/active_record/connection_adapters/postgresql/oid/date.rb, activerecord/lib/active_record/connection_adapters/postgresql/oid/date_time.rb, activerecord/lib/active_record/connection_adapters/postgresql/oid/decimal.rb, activerecord/lib/active_record/connection_adapters/postgresql/oid/enum.rb, activerecord/lib/active_record/connection_adapters/postgresql/oid/hstore.rb, activerecord/lib/active_record/connection_adapters/postgresql/oid/inet.rb, activerecord/lib/active_record/connection_adapters/postgresql/oid/jsonb.rb, activerecord/lib/active_record/connection_adapters/postgresql/oid/legacy_point.rb, activerecord/lib/active_record/connection_adapters/postgresql/oid/money.rb, activerecord/lib/active_record/connection_adapters/postgresql/oid/oid.rb, activerecord/lib/active_record/connection_adapters/postgresql/oid/point.rb, activerecord/lib/active_record/connection_adapters/postgresql/oid/range.rb, activerecord/lib/active_record/connection_adapters/postgresql/oid/specialized_string.rb, activerecord/lib/active_record/connection_adapters/postgresql/oid/type_map_initializer.rb, activerecord/lib/active_record/connection_adapters/postgresql/oid/uuid.rb, activerecord/lib/active_record/connection_adapters/postgresql/oid/vector.rb, activerecord/lib/active_record/connection_adapters/postgresql/oid/xml.rb, activerecord/lib/active_record/connection_adapters/sqlite3/explain_pretty_printer.rb, activerecord/lib/active_record/connection_adapters/sqlite3/quoting.rb, activerecord/lib/active_record/connection_adapters/sqlite3/schema_creation.rb, activerecord/lib/active_record/connection_adapters/sqlite3/schema_definitions.rb, activerecord/lib/active_record/connection_adapters/sqlite3/schema_dumper.rb, activerecord/lib/active_record/connection_adapters/sqlite3/schema_statements.rb, activerecord/lib/active_record/fixture_set/file.rb, activerecord/lib/active_record/locking/optimistic.rb, activerecord/lib/active_record/locking/pessimistic.rb, activerecord/lib/active_record/migration/command_recorder.rb, activerecord/lib/active_record/migration/compatibility.rb, activerecord/lib/active_record/migration/join_table.rb, activerecord/lib/active_record/railties/controller_runtime.rb, activerecord/lib/active_record/relation/batches.rb, activerecord/lib/active_record/relation/calculations.rb, activerecord/lib/active_record/relation/delegation.rb, activerecord/lib/active_record/relation/finder_methods.rb, activerecord/lib/active_record/relation/from_clause.rb, activerecord/lib/active_record/relation/merger.rb, activerecord/lib/active_record/relation/predicate_builder.rb, activerecord/lib/active_record/relation/query_attribute.rb, activerecord/lib/active_record/relation/query_methods.rb, activerecord/lib/active_record/relation/record_fetch_warning.rb, activerecord/lib/active_record/relation/spawn_methods.rb, activerecord/lib/active_record/relation/where_clause.rb, activerecord/lib/active_record/relation/where_clause_factory.rb, activerecord/lib/active_record/relation/batches/batch_enumerator.rb, activerecord/lib/active_record/relation/predicate_builder/array_handler.rb, activerecord/lib/active_record/relation/predicate_builder/association_query_value.rb, activerecord/lib/active_record/relation/predicate_builder/base_handler.rb, activerecord/lib/active_record/relation/predicate_builder/basic_object_handler.rb, activerecord/lib/active_record/relation/predicate_builder/polymorphic_array_value.rb, activerecord/lib/active_record/relation/predicate_builder/range_handler.rb, activerecord/lib/active_record/relation/predicate_builder/relation_handler.rb, activerecord/lib/active_record/scoping/default.rb, activerecord/lib/active_record/scoping/named.rb, activerecord/lib/active_record/tasks/database_tasks.rb, activerecord/lib/active_record/tasks/mysql_database_tasks.rb, activerecord/lib/active_record/tasks/postgresql_database_tasks.rb, activerecord/lib/active_record/tasks/sqlite_database_tasks.rb, activerecord/lib/active_record/type/adapter_specific_registry.rb, activerecord/lib/active_record/type/date.rb, activerecord/lib/active_record/type/date_time.rb, activerecord/lib/active_record/type/decimal_without_scale.rb, activerecord/lib/active_record/type/hash_lookup_type_map.rb, activerecord/lib/active_record/type/json.rb, activerecord/lib/active_record/type/serialized.rb, activerecord/lib/active_record/type/text.rb, activerecord/lib/active_record/type/time.rb, activerecord/lib/active_record/type/type_map.rb, activerecord/lib/active_record/type/unsigned_integer.rb, activerecord/lib/active_record/type/internal/timezone.rb, activerecord/lib/active_record/type_caster/connection.rb, activerecord/lib/active_record/type_caster/map.rb, activerecord/lib/active_record/validations/absence.rb, activerecord/lib/active_record/validations/associated.rb, activerecord/lib/active_record/validations/length.rb, activerecord/lib/active_record/validations/presence.rb, activerecord/lib/active_record/validations/uniqueness.rb, activerecord/lib/rails/generators/active_record.rb, activerecord/lib/rails/generators/active_record/migration.rb, activerecord/lib/rails/generators/active_record/application_record/application_record_generator.rb, activerecord/lib/rails/generators/active_record/migration/migration_generator.rb, activerecord/lib/rails/generators/active_record/model/model_generator.rb

Constant Summary

UnknownAttributeError =

Raised when unknown attributes are supplied via mass assignment.

# File 'activerecord/lib/active_record/errors.rb', line 252
```
ActiveModel::UnknownAttributeError
```

Class Method Summary

.eager_load!
.gem_version

Returns the version of the currently loaded Active Record as a Gem::Version
.version

Returns the version of the currently loaded ActiveRecord as a Gem::Version

`::ActiveSupport::Autoload` - Extended

autoload, autoload_at, autoload_under, autoloads, eager_autoload, eager_load!

Class Method Details

.eager_load!

[ GitHub ]

# File 'activerecord/lib/active_record.rb', line 168


def self.eager_load!
  super
  ActiveRecord::Locking.eager_load!
  ActiveRecord::Scoping.eager_load!
  ActiveRecord::Associations.eager_load!
  ActiveRecord::AttributeMethods.eager_load!
  ActiveRecord::ConnectionAdapters.eager_load!
end

.gem_version

Returns the version of the currently loaded Active Record as a Gem::Version

[ GitHub ]

# File 'activerecord/lib/active_record/gem_version.rb', line 5


def self.gem_version
  Gem::Version.new VERSION::STRING
end

.version

Returns the version of the currently loaded ActiveRecord as a Gem::Version

[ GitHub ]

# File 'activerecord/lib/active_record/version.rb', line 7


def self.version
  gem_version
end

Module: ActiveRecord

Constant Summary

Class Method Summary

::ActiveSupport::Autoload - Extended

Class Method Details

.eager_load!

.gem_version

.version

`::ActiveSupport::Autoload` - Extended