Hibernate - clearing a collection with all-delete-orphan and then adding to it causes ConstraintViolationException

Question

I have these entities

class Foo{
    Set bars;
}

class Bar{
    Foo parent;
    String localIdentifier;
}

With this mapping (sorry,

Answer 1

If you are using oracle, you could also use deferrable constraints to postpone the checking of the constraints until the transaction is committed. Not sure if/how this is supported by other databases.