Function _column_as_key

lib/sqlalchemy/sql/crud.py:540–547

(
            key: Union[ColumnClause[Any], str],
        )

        )

        def _column_as_key(
            key: Union[ColumnClause[Any], str],
        ) -> Union[str, Tuple[str, str]]:
            str_key = c_key_role(key)
            if hasattr(key, "table") and key.table in _et:
                return (key.table.name, str_key)  # type: ignore
            else:
                return str_key

        def _getattr_col_key(
            col: ColumnClause[Any],