maybe a good place to start is sourcecode of lowlevel-based frameworks like slim3 or objectify -- Roberto
On Nov 20, 8:13 am, Tom <[email protected]> wrote: > Hi there, > > I'm searching for information of entity relation ships in appengine. > JPA for example supports relations between entites (one-to-one, > ont-to-many, many-to-many). As far as I know by know the underlying > datastore doesn't direktly support this and not join queries (different > entities). > > How do you store Customer -> Orders in the datastore? Is there low > level API example code? > Would I store an entity "Customer" with attributes and a list of order > ids? > > Any help highly appreciated. > Thanks > Tom -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
