sql server分组逗号隔开字段

   

select
SUBSTRING(a.RetRCode,number,CHARINDEX(',',a.RetRCode+',',number)-number) as name
from
InRetMatAppH a,master..spt_values
where
number >=1 and number<len(a.RetRCode)
and type='p'
and substring(','+a.RetRCode,number,1)=','