Primary key of owning side as a join column

Question

NOTE: Topic is lengthy but detailed and may come in handy if you use Doctrine2 and oneToOne relationships.

Recently I came across a problem in Doctrine:

Answer 1

You could also force partial objects, to get rid off lazy-loading:

use Doctrine\ORM\Query;

//...
$query->setHint(Query::HINT_FORCE_PARTIAL_LOAD, true);