def prepare_parameters(self, multi_row_parameters):
        """ Attribute sql parameters with meta data for a prepared statement.
        Make some basic checks that at least the number of parameters is correct.
        :param multi_row_parameters: A list/tuple containing list/tuples of parameters (for multiple rows)
        :returns: A generator producing parameters attributed with meta data for one sql statement (a row) at a time
        """
        self._multi_row_parameters = multi_row_parameters
        self._num_rows = len(multi_row_parameters)
        self._iter_row_count = 0
        return self
Attribute sql parameters with meta data for a prepared statement.
        Make some basic checks that at least the number of parameters is correct.
        :param multi_row_parameters: A list/tuple containing list/tuples of parameters (for multiple rows)
        :returns: A generator producing parameters attributed with meta data for one sql statement (a row) at a time