Method test_reuse_expr

test/orm/test_deferred.py:2310–2326

(self)

            )

    def test_reuse_expr(self):
        A = self.classes.A

        s = fixture_session()

        # so people will obv. want to say, "filter(A.my_expr > 10)".
        # but that means Query or Core has to post-modify the statement
        # after construction.
        expr = A.x + A.y
        a1 = (
            s.query(A)
            .options(with_expression(A.my_expr, expr))
            .filter(expr > 10)
            .order_by(expr)
        )

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

    def test_in_joinedload(self):
        A, B = self.classes("A", "B")