title: Yii updateAll() add 1 to current value of row
body: <p>Simply said, I am trying to do this:</p>
  
  <pre><code>$widgetsUsed-&gt;updateAll(array(
                  'position'=&gt;'- 1'
              ),
              "position &gt; {$position} AND sidebar_id = {$sidebar_id}"
           );
  </code></pre>
  
  <p>Does anyone have a clue if this works, or give some other suggestions how to achieve this?</p>
  
  <p>Having a hard time to debug this since I can't exactly make up what values are chaning when in my database. So I was hoping anyone here would directly know how to do this.</p>
  
  <p>Thanks in advance</p>