Thanks a lot!
I will go ahead~

2012/4/27 Sylvain Lebresne <sylvain@datastax.com>
On Fri, Apr 27, 2012 at 5:26 PM, <hosschao@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