def test_update_against_table_col(self):
        User, users = self.classes.User, self.tables.users

        sess = Session()
        john, jack, jill, jane = sess.query(User).order_by(User.id).all()
        eq_([john.age, jack.age, jill.age, jane.age], [25, 47, 29, 37])
        sess.query(User).filter(User.age > 27).\
            update(
                {users.c.age_int: 10 - User.age},
                synchronize_session='evaluate')
        eq_([john.age, jack.age, jill.age, jane.age], [25, 37, 19, 27])
dataset/ETHPy150Open zzzeek/sqlalchemy/test/orm/test_update_delete.py/UpdateDeleteTest.test_update_against_table_col/swapped operands of `-`