airflow/contrib/operators/cassandra_to_gcs.py
def convert_tuple_type(cls, name, value):
        """
        Converts a tuple to RECORD that contains n fields, each will be converted
        to its corresponding data type in bq and will be named 'field_<index>', where
        index is determined by the order of the tuple elements defined in cassandra.
        """
        names = ['field_' + str(i) for i in range(len(value))]
        values = [cls.convert_value(name, value) for name, value in zip(names, value)]
        return cls.generate_data_dict(names, values)
def convert_tuple_type(cls, name, value):
        """
        Converts a tuple to RECORD that contains n fields, each will be converted
        to its corresponding data type in bq and will be named 'field_<index>', where
        index is determined by the order of the tuple elements defined in cassandra.
        """
        names = ['field_' + str(i) for i in range(len(value))]
        values = [cls.convert_value(name, value) for name, value in zip(names, value)]
        return cls.generate_data_dict(names, values)
Converts a tuple to RECORD that contains n fields, each will be converted
        to its corresponding data type in bq and will be named 'field_<index>', where
        index is determined by the order of the tuple elements defined in cassandra.