def can_filter(self):
        return not self.low_mark and self.high_mark is None
Parsed jid-single field values should be of type C{unicode}.
dataset/ETHPy150Open django/django/django/db/models/sql/query.py/Query.can_filter--crossover with--dataset/ETHPy150Open ralphm/wokkel/wokkel/test/test_data_form.py/FieldTest.test_fromElementValueJID