def __init__(self, destination, date_column, window=0, **kwargs):
        dest = Table(SqlScript(filename=parse_path(destination)))
        delta_clause = """
            WHERE {date_column} >=
                COALESCE(
                    (SELECT MAX({date_column}) FROM {destination}),
                    '1800-01-01'::DATE
                ) - {window}
        """.format(date_column=date_column,
                   destination=dest.full_name,
                   window=window)
        super(DeltaLoadStep, self).__init__(destination=destination,
                                            filter_clause=delta_clause,
                                            **kwargs)
Change the user's Full Name
dataset/ETHPy150Open coursera/dataduct/dataduct/steps/delta_load.py/DeltaLoadStep.__init__--crossover with--dataset/ETHPy150Open saltstack/salt/salt/modules/pw_user.py/chfullname