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we're trying to heavily use MapReduce in our project. Now we have this problem, there is a lot… Read more Appengine Mapreduce Ndb, Deadlineexceedederror

I currently have a model in NDB and I'd like to change the property name without necessarily to… Read more Proper Way To Migrate Ndb Model Property

I am trying to setup an application based on the Google App Engine using the Managed VM feature. I … Read more Putting Models In A Callback Function From Ctypes Library

class Entries(ndb.Model): description = ndb.StringProperty() seqid = ndb.IntegerProperty() li… Read more Ever See Duplicate Ids When Using Google App Engine And Ndb?

I'm working on a lightweight app, and I have quite a few situations where the user submits a fo… Read more Wait For Datastore Update Before Proceeding

I'm trying to do a query into a range of valid dates q = Licence.query(Licence.valid_from = tod… Read more Optimizing A Inequality Query In Ndb Over Two Properties

I have a model class like: class Book(ndb.Model): title = ndb.StringProperty(required=True) … Read more How To Check If Ndb Model Is Valid

I have the following query in my application query = cls.query().filter(cls.taskgroup_id == taskgro… Read more Ndb Query Builder Doesn't Work As Expected