title: Zend_Db_Table fetchAll and column names
body: <p>I'm testing Zen_DB and Zend_DB_Table and I'm facing a problem:</p>
  
  <p>Let's say I've got two tables<br>
  table A(id, title)<br>
  table B(id, title)  </p>
  
  <p>If I write something like  </p>
  
  <pre><code>$db = $this-&gt;getDbTable()-&gt;getAdapter();  
  $query = "SELECT A.*, B.* FROM A INNER JOIN B on A.id = B.id"  
  $stmt = $db-&gt;query($query);  
  $rows = $stmt-&gt;fetchAll();  
  </code></pre>
  
  <p>each resulting row is like ['id' => value, 'title' => value]</p>
  
  <p><strong>Question:</strong> How can the fetched rows be like ['A.id' => value, 'A.title' => value', 'B.id' => value, 'B.title' => value'] ?</p>
  
  <p><strong>Important</strong>: I don't want to modify the database schema</p>