Method test_table_valued_advice

test/sql/test_roles.py:210–228

(self)

        )

    def test_table_valued_advice(self):
        msg = (
            r"SQL expression element expected, got %s. To create a "
            r"column expression from a FROM clause row as a whole, "
            r"use the .table_valued\(\) method."
        )
        assert_raises_message(
            exc.ArgumentError,
            msg % ("Table.*",),
            expect,
            roles.ExpressionElementRole,
            t,
        )

        # no table_valued() message here right now, it goes to scalar subquery
        with testing.expect_warnings(
            "implicitly coercing SELECT object to scalar subquery"
        ):
            expect(roles.ExpressionElementRole, t.select().alias())

    def test_raise_on_regular_python_obj_for_expr(self):
        """test #6350"""