多字段查詢優化 (like 放棄 or )

--方式1
AND CASE WHEN new_imei LIKE @imei
THEN 1
WHEN new_enterimei LIKE @imei
THEN 1
ELSE 0
END = 1

 --方式2
AND CASE WHEN SUBSTRING(new_imei,0,LEN(@imei)+1) =@imei
                                         THEN 1
                                         WHEN SUBSTRING(ISNULL(new_enterimei,''),0,LEN(@imei)+1) =@imei
                                         THEN 1
                                         ELSE 0
                                    END = 1