Method replace

test/sql/test_selectable.py:736–738

(elem)

        replace_from = basefrom.join(joinfrom, basefrom.c.a == joinfrom.c.a)

        def replace(elem):
            if elem is basefrom:
                return replace_from

        replaced = visitors.replacement_traverse(sel, {}, replace)
        self.assert_compile(