$this->result = null;
$this->query = $query;
$this->notify();
$this->result = $this->getConnection()->execParams($query, $query->getParams(), $query->getTypes());
$this->notify();
$this->result = null;
$this->query = $query;
$this->notify();
$this->result = $this->getConnection()->execParams($query, $query->getParams(), $query->getTypes());
$this->notify();