/**
* group.
*/
public function group($keys, $initial, $reduce, array $options = array())
{
$this->time->start();
$return = parent::group($keys, $initial, $reduce, $options);
$time = $this->time->stop();
$this->log(array('type' => 'group', 'keys' => $keys, 'initial' => $initial, 'reduce' => $reduce, 'options' => $options, 'time' => $time));
return $return;
}
