Method test_with_only_generative

test/sql/test_selectable.py:791–797

(self)

        assert sel3.corresponding_column(col) is sel3.c.foo

    def test_with_only_generative(self):
        s1 = table1.select().scalar_subquery()
        self.assert_compile(
            s1.with_only_columns(s1),
            "SELECT (SELECT table1.col1, table1.col2, "
            "table1.col3, table1.colx FROM table1) AS anon_1",
        )

    def test_reduce_cols_odd_expressions(self):
        """test util.reduce_columns() works with text, non-col expressions