query.setOptionalId( id );
query.setOptionalEntityName( persister.getEntityName() );
query.setOptionalObject( optionalObject );
query.setFlushMode( FlushMode.MANUAL );
query.list();
// now look up the object we are really interested in!
// (this lets us correctly handle proxies and multi-row or multi-column queries)
return session.getPersistenceContext().getEntity( session.generateEntityKey( id, persister ) );