I\'m developing an application for GAE that has a fairly complex data model. Based on my understanding, a good way to handle a complex data model using a noSQL database, especially GAE, is touse de-n
How do I perform setup() automatically when a new model instance has been created? class MyModel(bd.Model):
I wa开发者_开发百科nt to populate my datastore with some values. What is the best way to do this ?
I have this model class Item(db.Model): ... glam = db.StringProperty() casual = db.StringProperty() speaking = db.StringProperty()
anybody knows how to track httpsession destroy with GAE? I\'ve found that HttpSessionListener doesn\'t work properly in GAE and sessionDestroyed method never calls.
I\'d like to make a query to return all the entities of a given type where one property is greater than anot开发者_如何转开发her.For example, return all Widgets where selling price is greater than buy
What will actually happen if I provide a full set of annotations for JPA and JDO on data objects? Can I then switch between them without touching the code? how can I switch what to aplay external con
I want to model a hierarchical data in Hibernate (and also in GAE). The entity structure is similar to as below:
Tinkering a little with GAE\'s da开发者_JS百科tastore i\'ve found that i can\'t think a proper way to filter out results using the inequality filter \'!=\' on a multivalued property:
I have db.Model which has several properties as described below: class Doc(db.Model): docTitle = db.StringProperty(required=True)
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