Tuesday, May 11, 2010

access the Google App Engine datastore from Clojure


This is all you need to know to write code to access the datastore. If you are new to Clojure (and any other Lisp language), than you might get a feeling why Paul Graham once said: "Lisp's power is multiplied by the fact that your competitors don't get it." Use simple data structures. Create powerful functional abstractions. Write less code. If you want to give our mini-languages a try, you can find the code here. You will find features for :pre-save and :post-load functions on entity level, transactions with automatic retries, query by key, return only keys from a query, automatically resolving parent/child relationships between entities and automatically resolving entities from attributes that contain keys.

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