Method _factory

lib/sqlalchemy/sql/selectable.py:3050–3057

Return a :class:`.Subquery` object.

(
        cls, selectable: SelectBase, name: Optional[str] = None
    )

    @classmethod
    def _factory(
        cls, selectable: SelectBase, name: Optional[str] = None
    ) -> Subquery:
        """Return a :class:`.Subquery` object."""

        return coercions.expect(
            roles.SelectStatementRole, selectable
        ).subquery(name=name)

    @util.deprecated(
        "1.4",