fromArray makes unnessesary cals to database

$message = new Message();
$message->Sender = new User(); // if i leave out this line sender will first get loaded from database and then overwritten with provided data
$message->Receiver = new User();   // if i leave out this line receiver will first get loaded from database and then overwritten with provided data
$message->fromArray($data);

if ($deep && $this->getTable()->hasRelation($key)) {
    if ( ! $this->$key) {                                           --> data gets loaded from db here, refreshRelated is not even executed.
        $this->refreshRelated($key);
    }
...
}