Filter example - Datastore

Filter example in Datastore

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For detailed documentation that includes this code sample, see the following:

• Local Unit Testing for Python 2

Code sample

Python

To learn how to install and use the client library for Datastore mode, see Datastore mode client libraries. For more information, see the Datastore mode Python API reference documentation.

To authenticate to Datastore mode, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.

def testFilterByNumber(self):
    root = TestEntityGroupRoot(id="root")
    TestModel(parent=root.key).put()
    TestModel(number=17, parent=root.key).put()
    query = TestModel.query(ancestor=root.key).filter(TestModel.number == 42)
    results = query.fetch(2)
    self.assertEqual(1, len(results))
    self.assertEqual(42, results[0].number)

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