select case when grouping(groupuid) = 1 and grouping(memberuid) = 1  
		then ''
	    when grouping(groupuid) = 0 and grouping(memberuid) = 1  
		then cast(user_name(groupuid) as varchar(20))
	    when grouping(groupuid) = 0 and grouping(memberuid) = 0				
		then ''
		end as role,
	case when grouping(groupuid) = 1 and grouping(memberuid) = 1  
		then ''
	     when grouping(groupuid) = 0 and grouping(memberuid) = 1  
		then ''
	     when grouping(groupuid) = 0 and grouping(memberuid) = 0  	
		then cast(user_name(memberuid) as varchar(30)) 
		end as members
from sysmembers
group by groupuid, memberuid
with rollup
order by cast(user_name(groupuid) as varchar(20)), cast(user_name(memberuid) as varchar(30))