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是否有可能從對象的集合項?我嘗試做這種方式,但它不工作:刪除在Hibernate使用無狀態會話
StatelessSession sess = getSessionFactory().openStatelessSession();
sess.beginTransaction();
MessageDetails md = (MessageDetails) sess.get(MessageDetails.class,1189469L);
md.setCc(null);
sess.update(md);
sess.getTransaction().commit();
sess.close();
CC這樣定義:
@ManyToMany(fetch = FetchType.LAZY, cascade = CascadeType.ALL)
@JoinTable(name = "MessageEntryCc")
public Set<EmailAndName> getCc() {
return cc;
}
運行代碼後,MessageEntryCc還包含message_details_id = 1189469項...