def _make_start_query(self):
    self.__check_state_base('start')
    if (self._state is TransactionState.STARTED):
        raise errors.InterfaceError('cannot start; the transaction is already started')
    return self._options.start_transaction_query()
def _make_start_query(self):
    self.__check_state_base('start')
    if (self._state is TransactionState.STARTED):
        raise errors.InterfaceError('cannot start; the transaction is already started')
    return self._options.start_transaction_query()