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I have been working on an application using GAE in eclipse and I have a bunch of data objects. Sometimes I need to change their type, ie String -> Text so they can store more data.
What is the quickest easiest way to do a bulk update on the data/object store? I know I could probably write Java code to iterate over each object, but surely there is an easier way?
Normally there is no other way than iterating the store and changing the data by hand. The datastore is not otherwise accessible. However starting from version 1.3.3 of the SDK there is now the possibility to use SQLite as the datastore backend. To enable, set the flag –use_sqlite=true
You’ll need then to find the SQLite file and should be able to use any SQLite client to manipulate the data.
UPDATE: As Nick Johnson noted, SQLite support is only available for the Python SDK and the data is encoded, making the task of directly editing the tables content rather difficult depending on the change. This invalidates this answer given the poster is looking for an easy, Java based solution :/