On Fri, Apr 27, 2012 at 5:26 PM, 马超 <hossc...@gmail.com> wrote: > Hi all, > > I want to change one of my column type from IntegerType to Int32Type > dynamically. I'm sure all datas in that column are int32 type indeed. So I > want changing the column type by: > > update column family XXX with column_metadata = [{column_name : 'xxx', > validation_class : Int32Type}]; > > Is there any harm to do this?
There isn't (as long as you're right to be sure of course). -- Sylvain