* @param string $targetKey
* @param null $optionGroupName
*/
- public function __construct($refTable, $refKey, $targetTable = NULL, $targetKey = 'id', $optionGroupName) {
+ public function __construct($refTable, $refKey, $targetTable, $targetKey, $optionGroupName) {
parent::__construct($refTable, $refKey, $targetTable, $targetKey, NULL);
$this->targetOptionGroupName = $optionGroupName;
}