总的来说超过部分无法正常工作

Question

获取错误

  

查看与您的MySQL服务器版本相对应的手册，   在'（PARTITION BY th_class_4，th_class_3，   th_class_2，th_class_1），t2.QTY AS QTY f'在第2行

select t1.PROD_NM as PROD_NM,t1.TherapeuticClass as TherapeuticClass,
         t1.MFG as MFG,round(t2.TOTAL,2),SUM(t2.TOTAL)OVER(PARTITION BY th_class_4, th_class_3, th_class_2, th_class_1 )
         ,t2.QTY AS QTY from
         (select PROD_NM,concat(TH_CLASS_1,",",TH_CLASS_2,",",TH_CLASS_3,",",TH_CLASS_4)
         as TherapeuticClass,MFG from RETAIL_STORE_PROD
         where TH_CLASS_1!='NULL' and TH_CLASS_2!='NULL' and TH_CLASS_3!='NULL'
         and TH_CLASS_4!='NULL')t1

join

    (select PROD_NM,sum(TOTAL) AS TOTAL,sum(QTY) AS QTY from RETAIL_STR_SALES_DETAIL
    group by PROD_NM)t2 on t1.PROD_NM=t2.PROD_NM