Method shares_lineage

lib/sqlalchemy/sql/elements.py:1605–1609

Return True if the given :class:`_expression.ColumnElement` has a common ancestor to this :class:`_expression.ColumnElement`.

(self, othercolumn: ColumnElement[Any])

        )

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

        return bool(self.proxy_set.intersection(othercolumn.proxy_set))

    def _compare_name_for_result(self, other: ColumnElement[Any]) -> bool:
        """Return True if the given column element compares to this one