Change IntegerProperty to FloatProperty of existing AppEngine DataStore

Question

I built an appengine application (python) which need to convert existing datastore entities in integer value (100) to float value (100.00) for currency conversion issue. How

Answer 1

From the Edit Entity page in the data store admin interface:

Enter information for the entity below. If you'd like to change a property's type, set it to Null, save the entity, edit the entity again, and change the type