title: Magento Collection - setOrder and getFirstItem
body: <p>I am writing a Plugin and added a own db table to the magento database. </p>
  
  <p>Now i want to get some data in sorted order from the table and i added the code bellow. </p>
  
  <p>But everytime i dump the result of the last line i get the data in the order they are in the table not sorted by the given parameter. Can anyone help me with this?</p>
  
  <pre><code>$collection = $this-&gt;getCollection();
  $collection-&gt;setOrder(array('fieldname' =&gt;  'asc', 'fieldname' =&gt;  'desc'));
  $collection-&gt;getFirstItem()-&gt;getData(); 
  </code></pre>