Method replace

lib/sqlalchemy/sql/selectable.py:1385–1392

(
            obj: Union[BinaryExpression[Any], ColumnClause[Any]],
            **kw: Any,
        )

        # ColumnClause with parent table referring to those
        # replaced FromClause objects
        def replace(
            obj: Union[BinaryExpression[Any], ColumnClause[Any]],
            **kw: Any,
        ) -> Optional[KeyedColumnElement[Any]]:
            if isinstance(obj, ColumnClause) and obj.table in new_froms:
                newelem = new_froms[obj.table].corresponding_column(obj)
                return newelem
            return None

        kw["replace"] = replace