/**
  * @see sfTask
  */
 protected function execute($arguments = array(), $options = array())
 {
     $task = new sfPropelInsertSqlDiffTask($this->dispatcher, $this->formatter);
     $task->setCommandApplication($this->commandApplication);
     $task->execute($arguments, $options);
     $task = new sfPropelBuildModelTask($this->dispatcher, $this->formatter);
     $task->setCommandApplication($this->commandApplication);
     $task->execute();
 }