☕

영속성의 범위

환경

•

OneToMany 단방향

•

cascade persist

•

orphan removal = true

entityManager.getTransaction().begin();
        entityManager.persist(morak);
        entityManager.flush();
        entityManager.getTransaction().commit();
        EntityManager entityManager2 = entityManagerFactory.createEntityManager();
        entityManager2.getTransaction().begin();
        morak.removeMember(0);
        entityManager2.flush();
        entityManager2.getTransaction().commit();
        entityManager.persist(eden);
Java
복사

→ delete not working

entityManager2 관련 모두 걷어내면

entityManager.getTransaction().begin();
        entityManager.persist(morak);
        entityManager.flush();
        entityManager.getTransaction().commit();
//        EntityManager entityManager2 = entityManagerFactory.createEntityManager();
//        entityManager2.getTransaction().begin();
        morak.removeMember(0);
//        entityManager2.flush();
//        entityManager2.getTransaction().commit();
//        entityManager.persist(eden);
Markdown
복사

entityManager 의 commit 이후이다.