Method test_expr_default_value

test/orm/test_deferred.py:2265–2284

(self)

        eq_(a1.all(), [A(my_expr=5), A(my_expr=15), A(my_expr=12)])

    def test_expr_default_value(self):
        A = self.classes.A
        C = self.classes.C
        s = fixture_session()

        a1 = s.query(A).order_by(A.id).filter(A.x > 1)
        eq_(a1.all(), [A(my_expr=None), A(my_expr=None), A(my_expr=None)])

        c1 = s.query(C).order_by(C.id)
        eq_(c1.all(), [C(c_expr=1), C(c_expr=1)])

        s.expunge_all()

        c2 = (
            s.query(C)
            .options(with_expression(C.c_expr, C.x * 2))
            .filter(C.x > 1)
            .order_by(C.id)
        )
        eq_(c2.all(), [C(c_expr=4)])

    def test_non_cacheable_expr(self):
        """test #10990"""