Hi John, You just need to read the entity group references above and
it will be clearer.
Appengine is a distributed datastore in which the files and entities
within are not
necessarily co-located. If you need to retrieve more than one type of
entity
within a transaction, those entities need to h
NIchole,
Thank you for your feedback, but how do I change my code so that I have
this entity group you are mentioning? I am using the HR datastore. And
how did you get to this conclusion?
I am fetching every store from the datastore, detaching everything after
making it persistent, and always tou
you need an entity group
http://code.google.com/appengine/docs/java/datastore/jdo/relationships.html
or cross group transactions if you are using the HR datastore:
http://code.google.com/appengine/docs/python/datastore/transactions.html
or If you are not on the HR datastore and need
Hi,
I've raised the issue with a test case in google's issue tracker:
http://code.google.com/p/datanucleus-appengine/issues/detail?id=259
I am hoping someone can kindly have a look at it and get back to me
as I cannot see how I can make use of JDO on app engine without this fixed.
In the meant
So it can't find a related Entity. You could obviously use the DB
viewer (or a low level API call) to check whether it is present (with
that Key), and look in the log for whether it was PUT.
Can't speak for Google but I'm sure nobody has interest in private
code, though I'm sure that it ought to b
