Update an Entity with Unique Key - Insert instead of update

Question

I have this method in my service:

public function updateCountry($p_entity) {   


    var_dump($p_entity->getId());    //return 3 (as expected)
    var_du         


        

Answer 1

You shouldn't persist existing in DB entity, only new one. So if you get entity from DB and want to update it you should

1. $entity->setName()
2. $em->flush

Answer 2

Can you persist new entity at all?

If you can, try merging your object instead:

public function updateCountry($p_entity) {
    var_dump($p_entity->getId());    //return 3 (as expected)
    var_dump(get_class($p_entity) ); //return Country (as expected)

    $this->em->merge($p_entity); // MERGE not PERSIST
    $this->em->flush();
}

From official docs:

If X is a new entity instance, a new managed copy X’ will be created and the state of X is copied onto this managed instance.

So, basically, EntityManager::merge can be used to both persist newly created object and merge exsistent one...