def METHOD_NAME():
    op.execute(
        """
        update data_sources set name = concat('data entered by user ', bvp_users.username) from bvp_users where data_sources.user_id = bvp_users.id;
        update data_sources set name = 'forecast by DarkSky for the Jeju region' where name = 'DarkSky' and type = 'forecasting script';
        update data_sources set name = 'forecast by Seita (naive model (v1))' where name = 'Seita (naive model v1)' and type = 'forecasting script';
        update data_sources set name = 'forecast by Seita (linear-OLS model (v2))' where name = 'Seita (linear-OLS model v2)' and type = 'forecasting script';
        update data_sources set name = 'forecast by Seita (generic model_a (v1))' where name = 'Seita (generic model_a v1)' and type = 'forecasting script';
        update data_sources set name = 'forecast by Seita (generic model_a (v2))' where name = 'Seita (generic model_a v2)' and type = 'forecasting script';
        update data_sources set name = 'forecast by Seita (generic model_a (v3))' where name = 'Seita (generic model_a v3)' and type = 'forecasting script';
        update data_sources set name = 'schedule by Seita' where name = 'Seita' and type = 'scheduling script';
        update data_sources set name = 'data entered for demonstration purposes' where name = 'Seita' and type = 'demo script';
        update data_sources set type = 'script' where name = 'data entered for demonstration purposes';
        update data_sources set name = 'data retrieved from KEPCO' where name = 'KEPCO';
        update data_sources set type = 'script' where name = 'data retrieved from KEPCO';
        """
    )
    op.alter_column("data_sources", "name", new_column_name="label", nullable=True)