• MODULE ActiveRecord
• CLASS ActiveRecord::ActiveJobRequiredError
• CLASS ActiveRecord::ActiveRecordError
• CLASS ActiveRecord::AdapterNotFound
• CLASS ActiveRecord::AdapterNotSpecified
• CLASS ActiveRecord::AdapterTimeout
• CLASS ActiveRecord::AssociationTypeMismatch
• CLASS ActiveRecord::AttributeAssignmentError
• CLASS ActiveRecord::ConfigurationError
• CLASS ActiveRecord::ConnectionNotEstablished
• CLASS ActiveRecord::ConnectionTimeoutError
• CLASS ActiveRecord::DangerousAttributeError
• CLASS ActiveRecord::DatabaseAlreadyExists
• CLASS ActiveRecord::Deadlocked
• CLASS ActiveRecord::ExclusiveConnectionTimeoutError
• CLASS ActiveRecord::ImmutableRelation
• CLASS ActiveRecord::InvalidForeignKey
• CLASS ActiveRecord::IrreversibleOrderError
• CLASS ActiveRecord::LockWaitTimeout
• CLASS ActiveRecord::MismatchedForeignKey
• CLASS ActiveRecord::MultiparameterAssignmentErrors
• CLASS ActiveRecord::NoDatabaseError
• CLASS ActiveRecord::NotNullViolation
• CLASS ActiveRecord::PreparedStatementCacheExpired
• CLASS ActiveRecord::PreparedStatementInvalid
• CLASS ActiveRecord::QueryAborted
• CLASS ActiveRecord::QueryCanceled
• CLASS ActiveRecord::RangeError
• CLASS ActiveRecord::ReadOnlyError
• CLASS ActiveRecord::ReadOnlyRecord
• CLASS ActiveRecord::RecordNotDestroyed
• CLASS ActiveRecord::RecordNotFound
• CLASS ActiveRecord::RecordNotSaved
• CLASS ActiveRecord::RecordNotUnique
• CLASS ActiveRecord::Rollback
• CLASS ActiveRecord::SerializationFailure
• CLASS ActiveRecord::SerializationTypeMismatch
• CLASS ActiveRecord::StaleObjectError
• CLASS ActiveRecord::StatementInvalid
• CLASS ActiveRecord::StatementTimeout
• CLASS ActiveRecord::StrictLoadingViolationError
• CLASS ActiveRecord::SubclassNotFound
• CLASS ActiveRecord::TableNotSpecified
• CLASS ActiveRecord::TransactionIsolationError
• CLASS ActiveRecord::TransactionRollbackError
• CLASS ActiveRecord::UnknownAttributeReference
• CLASS ActiveRecord::UnknownPrimaryKey
• CLASS ActiveRecord::ValueTooLong
• CLASS ActiveRecord::WrappedDatabaseException