title: Hibernate/JPA: Unexpected cascade on merge
body: <p>Hibernate Version: 4.0.1.Final / JPA</p>
  
  <p>Hello, </p>
  
  <p>i want to merge a detached table. After executing entityManager.merge() all child tables are selected from the database.</p>
  
  <p>The child tables are annotated in the parentTable with:</p>
  
  <pre><code>@OneToMany(fetch = FetchType.LAZY, mappedBy = "parentTable")
  </code></pre>
  
  <p>There is no cascade annotation. I do not want to cascade the child tables on merge.
  How can i disable the cascading on merge?</p>
  
  <pre><code>@Transactional
  public void save() {
      entityManager.merge(parentTable); //cascades child´s here
  }
  </code></pre>
  
  <p>Only the child tables are re-selected that have been fetched previously.</p>
  
  <p>Thanks
  tak3shi</p>