/**
* Update this row in the database
* @return \pq\Gateway\Row
*/
function update()
{
$where = $this->criteria();
$this->table->notify($this, "update", $where);
$rowset = $this->table->update($where, $this->changes());
if (!count($rowset)) {
throw new \UnexpectedValueException("No row updated");
}
$this->data = $rowset->current()->data;
$this->cell = array();
return $this;
}
