public function find_one($id = null)
{
$result = $this->_create_model_instance(parent::find_one($id));
if ($result) {
// set result on an result set for the eager load to work
$key = isset($result->{$this->_instance_id_column}) && $this->_associative_results ? $result->id() : 0;
$results = array($key => $result);
Eager::hydrate($this, $results, self::$_config[$this->_connection_name]['return_result_sets']);
// return the result as element, not result set
$result = $results[$key];
}
return $result;
}