With the low-level API, you would just set the Key of the old object to the
one one and persist it. With managed persistence via PersistenceManager or
EntityManager, I believe you can set a key and merge (but I'm not sure off
the top of my head).
On Wed, Sep 8, 2010 at 12:43 PM, Shaun
This might be very obvious, but imagine you have an object in the
datastore that you simply want to to replace with another, i.e. keep
the same key, just replace all the field values. Is there any easy way
to do this without setting each field value of the datastore object
with field values of the
