我有以下代码，除了可能的拼写错误外，应该选择3列，第一列是排名、反对和损失百分比。SELECTCOUNT(B.F_FACTOR)ASRANK,A.F_OPPOSITION,A.F_FACTORFROM(SELECTF_OPPOSITION,IF(SUM(F_RESULT='L',=1,1,0)ASF_NUM,IF(SUM(F_RESULTIN('W','D','L'),=1,1,0)ASF_DENOM,ROUND(SUM(F_NUM/F_DENOM),2)ASF_FACTORFROM$tableGROUPBYF_OPPOSITION)A,(SELECTF_OPPOSITION,IF(S