In google app engine When i try to get开发者_如何学C propery value by ReferenceProperty element It return referenced entity value in different format Like:
I have a design question is BlobReferenceProperty basically ReferenceProperty? Should I do prefetch (suggested by Nick http://blog.notdot.net/2010/01/ReferenceProperty-prefetching-in-App-Engine) like
I\'m using the GAE database to store objects of type Supp, which are 开发者_如何学运维part of a SuppSet. A SuppSet can have many Supps in it. I\'m using the ReferenceProperty model to create the one-t
This is a follow up on my previous question. I set up the models with ReferenceProperty: class User(db.Model):
Say I have two classes: class A(db.Model): class B(db.Model): a_reference = ReferenceProperty(A) I can now do the following:
If I have two types of models that ea开发者_如何学编程ch reference each other, whichever one I try to define first says it does not recognize the referenced other type (because it is defined further d