Alias names to with rollup in SQL queries?

Question

I am using with rollup in my sql query. I am not getting alias name for rollup.

My SQL is

SELECT [Column1],
       sum([Column2])
FROM           


        

Answer 1

select 
isnull([column1],'rollup'), 
sum([column2] )
from tableA
group by [column1] 
WITH ROLLUP