update database from js 2.2.0 to 2.2.2

Hi,

I want update my portal database from jetspeed 2.2.0 to 2.2.2. there is 
one new column portlet_definition.clone_parent.

Is it possible to automatically add the column  on first start of 
jetspeed 2.2.2 on a jetspeed 2.2.0 database? It should check that the 
columns exists and if not, the column will be added.


kind regards,

Frank