We might just be being too clever here ... if a field is set, but
oldvalue==newvalue, then we don't mark it dirty. That obviously
breaks down for cases like this, where we can't perform dirty
tracking on the opaque blob.
You might need to resign yourself to either having an intermediate
I would think that this would have to be fixed in order to comply with JPA
spec.
The JPA spec section 3.2.3 says that updates to persistent entities are
written
back to the database during synchronization and An update to the state of
an entity includes both the assignment of a new value to a
