public function execute($request)
 {
     $startIncrementer = $this->getUser()->getAttribute('upgrade.startIncNumber');
     $endIncrementer = $this->getUser()->getAttribute('upgrade.endIncNumber');
     UpgradeLogger::clearErrorLog();
     $this->form = new DatabaseChange();
     $schemaIncremantArray;
     for ($i = $startIncrementer; $i <= $endIncrementer; $i++) {
         $schemaIncremantArray[] = $i;
     }
     $this->schemaIncremantArray = $schemaIncremantArray;
     if ($request->isMethod('post')) {
         $this->form->bind($request->getParameter('databaseChange'));
         if ($this->form->isValid()) {
             $this->getRequest()->setParameter('submitBy', 'dbChange');
             $this->forward('upgrade', 'index');
         }
     }
 }