def _delete_from_prop_map(self, bch, obj_uuid, prop_name, prop_elem_position):
    self._cassandra_driver.remove(obj_uuid, columns=[('propm:%s:%s' % (prop_name, prop_elem_position))], batch=bch)
def _delete_from_prop_map(self, bch, obj_uuid, prop_name, prop_elem_position):
    self._cassandra_driver.remove(obj_uuid, columns=[('propm:%s:%s' % (prop_name, prop_elem_position))], batch=bch)