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Showing posts with the label Google Cloud Datastore

Proper Way To Migrate Ndb Model Property

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

Re-using An Entity's Id For Other Entities Of Different Kinds - Sane Idea?

My (python) app is using several entities, many of them in a 1:1 relationship. For example: class M… Read more Re-using An Entity's Id For Other Entities Of Different Kinds - Sane Idea?

Ndb Query Builder Doesn't Work As Expected

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

Google App Engine Development Server Throws The Following Error Whenever I Try To Run It

I'm trying to create a webservice using webapp2 and datastore in python. But whenever i try to … Read more Google App Engine Development Server Throws The Following Error Whenever I Try To Run It

Workaround To Return A List From A Computedproperty Function In Ndb

I am converting my app to use NDB. I used to have something like this before: @db.ComputedProperty … Read more Workaround To Return A List From A Computedproperty Function In Ndb

Badfiltererror: Invalid Filter: Only One Property Per Query May Have Inequality Filters (<=, >=, <, >)

I am trying to apply filter on two diffrent properties but it GAE isn't allow me to do this wha… Read more Badfiltererror: Invalid Filter: Only One Property Per Query May Have Inequality Filters (<=, >=, <, >)

Google App Engine - Multiple Child/parent

I want to make friend system that have db model like this: class Users(ndb.Model): username = n… Read more Google App Engine - Multiple Child/parent

Change Integerproperty To Floatproperty Of Existing Appengine Datastore

I built an appengine application (python) which need to convert existing datastore entities in inte… Read more Change Integerproperty To Floatproperty Of Existing Appengine Datastore