I like to check if there is any result for my datastore query in the Google App Engine Datastore. This is my query:
I have around 4000 entities that I need to insert into a Java App Engine datastore.As I understand it, only the Python version of App Engine currently has tools to upload data from a CSV file to a dat
I am very new to python and after a brief intro on to python + Google app engine, I\'ve started to work on a pilot project. I have bulkloaded 2 entities UserDetails and PhoneBook with data onto the ap
This question already has answers here: Delete all data for a kind in Google App Engine (19 answers) Closed 3 years ago.
I have model class info(db.Model): user = db.UserProperty() last_update_date = db.DateTimeProperty() I need to retrieve last_update_date for specific user. It is working good, i can retrieve this v
I have a few hundred keys, all of the same Model, which I have pre-computed: candidate_keys = [db.Key(...), db.Key(...), db.Key(...), ...]
I am very new to sql and more over GQL used in Google app engine. I have managed to push my data to the Google servers but I am not able to figure out a way to query from the entities I\'ve loaded to
I\'ve watched this video from Google I/O 2009: http://www.youtube.com/watch?v=AgaL6NGpkB8 where Brett shows microblogging example. He describes two dat开发者_运维百科astore schemas:
I\'ve run into a strange problem that I haven\'t seen before making a get_by_key_name call using the App Engine ORM.
The objective is to reduce the CPU cost and response time for a piece of code that runs very often and must db.get() several hundred keys each time.
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