/**
* Get detailed foreign keys
*
* @return array
*/
protected function getDetailedForeignKeys()
{
$list = parent::getDetailedForeignKeys();
$list[] = array('fields' => array('parent_id'), 'referenceRepo' => 'XLite\\Model\\Category', 'referenceFields' => array('category_id'), 'delete' => 'SET NULL');
return $list;
}
