Oracle很好的自动拼接某个字段的函数listagg使用实例

 with  mes1 as 
 (
select c.cugrnname,cdd.cuassociatepackingname,c.cuReceiveTime,c.cuReceivePerson,
CASE WHEN c.custatus = 1 THEN N'已发送'  
ELSE N'已接收' END custatus
,c.cuSendTime, c.cuSendPerson,cdd.cupackingworkcenter,cdd.cuqty,pb.PRODUCTNAME,p.description,cdd.description as Reworks ,c.cuconfirmperson as CONFIRM 

 from cugrn c
inner join cuDetails cd on cd.cugrnid = c.cugrnid
inner join cuassociatepacking cdd on cdd.cuassociatepackingid = cd.cuassociatepackingid
inner join product p on p.productid = cdd.cuproductid
inner join productbase pb on pb.productbaseid = p.productbaseid
where c.cugrnname = N'M221124014'  or cdd.cuassociatepackingname = N'1'
 ),
 mes2 as 
 (
 
select th,max(gd) as gd  
from 
(
select 托号 as  th,  listagg(工单,',')  within group ( order by 托号) over (partition by 托号) gd 
  -----很好的自动拼接某个字段的函数
from 
( SELECT C1.CUASSOCIATEPACKINGNAME as 托号,  
MO.MFGORDERNAME as 工单
FROM cuAssociatePacking c1
inner join cuAssociateDetails c2 on c1.cuassociatepackingid = c2.cuassociatepackingid
left join cuAssociatePacking C5 on c5.cuassociatepackingname = C2.CUSONLOT
left join cuAssociateDetails c6 on c6.cuassociatepackingid = c5.cuassociatepackingid
left join container C7 on c7.containerid = c6.cufromlotid
LEFT join cucontainergraderrecord  ccd on ccd.containername=C7.containername
inner  join mfgorder mo on ccd.cuworkorder = mo.mfgordername
inner join  mes1 m1 on m1.cuassociatepackingname=c1.CUASSOCIATEPACKINGNAME
where c1.cupackingtype='Pallet' ---and c1.cupackingtime>sysdate-1
group by c1.CUASSOCIATEPACKINGNAME,mo.mfgordername
)t

)t1
group by t1.th  ----确保一条记录
 ) 
select m1.*,m2.gd  
from mes1 m1
left join mes2 m2 on m1.CUASSOCIATEPACKINGNAME=m2.th ；