I was able to successfully added a field, filled with content and also renamed a field (add a filed, copy and then delete). If it would be of some use for others, here is how I did:
Ref the below stackflow thread. Alex offers a simple solution. http://stackoverflow.com/questions/2906746/updating-model-schema-in-google-app-engine You write this code in migrate.py Then in app.yaml have a url like below: - url: /admin/migrate script: migrate.py You can choose the url (I choose /admin). Then launch the app & call this url. Voila GAE DB modified. My modified app now lives on http://123-check.appspot.com/ Regards, Joseph
