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