Any function like WM_CONCATE in webi 4.0?

Hi ,

I am trying to have different values coming from the same column in DB , to accumulate in one cell and also wanna concatenate it

For Example ,

want to show the above as in one cell

USA          111,1222,3333

I know it can be done at DB level by WM_CONCATE but how to do it in Webi 4.0?