def __init__(self, sql, params, output_field=None):
if output_field is None:
output_field = fields.Field()
self.sql, self.params = sql, params
super(RawSQL, self).__init__(output_field=output_field)
def __init__(self, *expressions, output_field=None, **extra):
if output_field is None:
output_field = fields.Field()
super().__init__(*expressions, output_field=output_field, **extra)
