public function fetchAll()
 {
     $this->buildStart();
     $this->build();
     $this->buildStat();
     $results = array();
     while ($data = $this->stat->fetch()) {
         // TODO should be got from extensions properly!
         if ($data['type'] == 'PINGBACK') {
             $il = new PingBackIncomingLink();
         } else {
             $il = new WebMentionIncomingLink();
         }
         $il->setFromDataBaseRow($data);
         $results[] = $il;
     }
     return $results;
 }