title: Flask SqlAlchemy 2 table join : how to retrieve rows with both objects
body: <p>I have the following join :</p>
  
  <pre><code>user = User.query.join(UserEmail).filter_by(address = js['email'].lower()).first()
  </code></pre>
  
  <p>It works, but I also want the UserEmail in the result row</p>
  
  <p>How would I achieve this ?</p>