def test_limit_offset_selectable_in_unions(self):
        table = self.tables.some_table
        s1 = (
            select([table])
            .where(table.c.id == 2)
            .limit(1)
            .order_by(table.c.id)
        )
        s2 = (
            select([table])
            .where(table.c.id == 3)
            .limit(1)
            .order_by(table.c.id)
        )

        u1 = union(s1, s2).limit(2)
        self._assert_result(u1.order_by(u1.c.id), [(2, 2, 3), (3, 3, 4)])