- attr = query.model._meta.get_field(field).db_column
- attr_x = x[1].get(attr, '').lower()
- attr_y = y[1].get(attr, '').lower()
+ field = query.model._meta.get_field(fieldname)
+ attr_x = field.from_ldap(x[1].get(field.db_column, []), connection=self.connection).lower()
+ attr_y = field.from_ldap(y[1].get(field.db_column, []), connection=self.connection).lower()