$product = Doctrine_Query::create() -> from("Product p")
                                        -> leftJoin("Category cat")
                                        -> leftJoin("Company c")
                                        -> where("p.id = ?")
                                        -> fetchOne(array($rd -> getParameter("id")));


/*

Notice: Undefined index: parent in C:\Server\www\tts\app\lib\model\doctrine\Doctrine\Hydrator.php on line 173

Notice: Undefined index: relation in C:\Server\www\tts\app\lib\model\doctrine\Doctrine\Hydrator.php on line 174

Notice: Undefined index: relation in C:\Server\www\tts\app\lib\model\doctrine\Doctrine\Hydrator.php on line 175

Fatal error: Call to a member function getAlias() on a non-object in C:\Server\www\tts\app\lib\model\doctrine\Doctrine\Hydrator.php on line 175

*/