Method _uncached_proxy_list

lib/sqlalchemy/sql/elements.py:1655–1665

An 'uncached' version of proxy set. This list includes annotated columns which perform very poorly in set operations.

(self)

        return frozenset(_expand_cloned(self.proxy_set))

    def _uncached_proxy_list(self) -> List[ColumnElement[Any]]:
        """An 'uncached' version of proxy set.

        This list includes annotated columns which perform very poorly in
        set operations.

        """

        return [self] + list(
            itertools.chain(*[c._uncached_proxy_list() for c in self._proxies])
        )

    def shares_lineage(self, othercolumn: ColumnElement[Any]) -> bool:
        """Return True if the given :class:`_expression.ColumnElement`