Method _on_table_attach

lib/sqlalchemy/sql/schema.py:2723–2727

(self, fn: Callable[..., Any])

                        fn(fk)

    def _on_table_attach(self, fn: Callable[..., Any]) -> None:
        if self.table is not None:
            fn(self, self.table)
        else:
            event.listen(self, "after_parent_attach", fn)

    @util.deprecated(
        "1.4",