protected function execute($arguments = array(), $options = array())
  {
    $databaseManager = new sfDatabaseManager($this->configuration);
    $this->conn = $databaseManager->getDatabase('doctrine')->getDoctrineConnection();

    $sql = 'SELECT id FROM member WHERE is_active != 0';
    $where = array();
    if ( $options['min'] && $options['max']  && $options['min'] <= $options['max'])
    {
        $sql .= ' AND id BETWEEN ? AND ?';
        $where = array(intval($options['min']),intval($options['max']));
    }
    $memberIds = $this->conn->fetchColumn($sql, $where);

    $this->setContents();
    foreach ($memberIds as $memberid)
    {
      $randomtime = $this->makeRandomTime($options['date'],$options['number']);
      for ($i=0; $i<$options['number']; ++$i)
      {
        $title=$this->makeRandomContents('title',$options['titlecount']);
        $body=$this->makeRandomContents('body',$options['bodycount']);
        $diary = new Diary();
        $diary->setMemberId($memberid);
        $diary->setTitle($title);
        $diary->setBody($body);
        $diary->setPublicFlag(1);
        $diary->setCreatedAt($randomtime[$i]);
        $diary->setUpdatedAt($randomtime[$i]);
        $diary->save();
        $diary->free();
        $this->logSection('posted a diary', sprintf('%s %s', $memberid, $randomtime[$i]));
      }
    }
  }
 protected function executeTransaction($conn, $arguments = array(), $options = array())
 {
     $members = Doctrine::getTable('Member')->findAll(Doctrine::HYDRATE_ARRAY);
     foreach ($members as $member) {
         for ($i = 0; $i < $options['number']; ++$i) {
             $diary = new Diary();
             $diary->setMemberId($member['id']);
             $diary->setTitle('title');
             $diary->setBody('body');
             $diary->setPublicFlag(1);
             $diary->save();
             $diary->free();
             $this->logSection('posted a diary', sprintf('%s', $member['id']));
         }
     }
 }