select n.stext_2,n.bh,m.zs from (select stext_2 count(distinct YG.PERNR) as bh from "KT_ANA"."T_HR_DT" group by stext_2) as nleft join(select stext_2 ,SUM(B.ZE) as zs from "KT_ANA"."T_HR_DT" as a left JOIN "EP1"."ZHR_XZLD_001" as b on a.PERNR=b.PERNRgroup by a.stext_2) as mon n.stext_2=m.stext_2该怎么修改呐,HANA数据库