title: Understanding OpenERP Domain Filter?
body: <p>I would like to ask you if you could please explain the anatomy of the Openerp domain filters. I have to use it my project.
  Please explain the description of the following domain filter.</p>
  
  <pre><code>['|',('order_id.user_id','=',user.id),('order_id.user_id','=',False)]
  </code></pre>
  
  <p>I want to know the exact meaning of <code>(order_id.user_id','=',user.id)</code>, what is <code>order_id</code>, <code>user_id</code>, and <code>user.id</code>. Are they referencing any table. If yes then how am I supposed to know which one...</p>
  
  <p>Basically I want to know decipher the notation from bottom up so that can use it as per my requirement.</p>