Storm\Core\Relational\Request::AddColumns PHP Method

    public final function AddColumns(array $Columns)
    {
        array_walk($Columns, [$this, 'AddColumn']);
    }

 public function AddParentPredicateToRequest(Relational\Request $Request, array $ParentRows)
 {
     if (count($ParentRows) > 1) {
         $Request->AddColumns($this->ParentForeignKey->GetParentColumns());
     }
     parent::AddParentPredicateToRequest($Request, $ParentRows);
 }