目前没有，这两种方式也可以实现效果

WITH A AS (SELECT ISNULL(QCJE,0)+ISNULL(QMYE,0)+ISNULL(SKJE,0)-ISNULL(FKJE,0) AS V_QMYE,ROWID FROM TEMP)
UPDATE TEMP,A SET TEMP.QMYE = A.V_QMYE WHERE TEMP.ROWID =A.ROWID ;

DECLARE
BEGIN
    for a in ( SELECT Isnull(qcje,0)+Isnull(qmye,0)+Isnull(skje,0)-Isnull(fkje,0) as v_qmye,rowid FROM temp )
    loop   UPDATE temp SET qmye = a.v_qmye where rowid =a.rowid ;
    end loop;
END;