DetachEntity.java

PersonEntity p = em.find(PersonEntity.class, 1L);

log.info("Detach PersonEntity");
em.flush();
em.detach(p);

em.createNativeQuery("UPDATE person p SET firstname = firstname || '-changed'").executeUpdate();

p = em.find(PersonEntity.class, 1L);

NativeUpdate.java

em.createNativeQuery("UPDATE person p SET firstname = firstname || '-changed'").executeUpdate();

OutdatedCache.java

PersonEntity p = em.find(PersonEntity.class, 1L);
	
em.createNativeQuery("UPDATE person p SET firstname = firstname || '-changed'").executeUpdate();
log.info("FirstName: "+p.getFirstName());

p = em.find(PersonEntity.class, 1L);
log.info("FirstName: "+p.getFirstName());