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Dan Hooper: Updating schemas in App Engine [post price increase]

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13 December, 2011 | GAE Cupboard Permalink

Articles  python migration schema

http://danhooper.blogspot.com/2011/12/updating-schemas-in-app-engine-post.html

Under the new pricing, schema migration using mapreduce could be really expensive; adding a property to track the model's version sounds like a good idea.


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