I’m looking to use the GAE Datastore directly, without using JDO/JPA.I have a quick question: Suppose I have this code:
I need to have a Java instance fetching data directly from the Python\'s instance datastore. I don\'t know if that\'s possible at all. Is the datastore transparent/unique, or each instance (if they ca
Hi I have some images stored as BlobProperty in Goo开发者_JAVA技巧gle Cloud Datastore. I am trying to load these images via ajax into my template. For eg:- a user has an image and a name. Now the imag
I have a profile class: class profile(db.Model): user = db.stringProperty() # Other properties ... access = db.ListProperty(db.keys)
Let\'s say I want to display a list of books and their authors.In traditional database design, I would issue a single query to retrieve rows from the Book table as well as the related Author table, a
I’m building an AppEngine app in Python. For the sake of discussion, imagine I’m building a Gmail clone. Except with a million short emails per user.
My mind is still impregnated with SQL thoughts... i\'m used to retrieve from the database using the id as the main key, but in App Engine i\'m unsure whether i should favor one over the othe开发者_JAV
Appengine docs mention a 1Mb limit on both entity size and batch get requests (db.get()): http://code.google.com/appengine/docs/python/datastore/overview.html
Say I have a million records in a model in the appengine datstore. Will I pay a performance penalty with the following query.
I have an entity which has property Person person(user defined object) so I wanted to setProperty(\"person\", new Person()) however got an IllegalArgumentException \"....Person is not a supported prop
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