title: Ruby on Rails, Can i set the table alias when i join the other table?
body: <p>I want to make two table aliases in my query with left join like the below query.<br/></p>
  
  <pre><code>SELECT * FROM user AS u LEFT JOIN user_group AS ug
  </code></pre>
  
  <p><hr/>
  This is the current code which having any aliases.</p>
  
  <pre><code>@users = User.left_outer_joins(:user_group)
  </code></pre>