sql实时提交事务

1 public void deleteByHbtlidAndDept(String class_id,String depart_id) {
2         Session session =  this.getHibernateTemplate().getSessionFactory().openSession();
3         Transaction tran = session.beginTransaction(); 
4         String sql = " delete DC_EQP_DPT_DEF m  where m.class_id = '"+class_id+"' and m.depart_id = '"+depart_id+"' ";
5         session.createSQLQuery(sql).executeUpdate();
6         tran.commit(); 
7     }

1 public NaviInfo saveNaviInfo(NaviInfo naviInfo) {
2         Session session =  hibernateTemplate.getSessionFactory().openSession();
3         Transaction tran = session.beginTransaction(); 
4         NaviInfo backEntity =(NaviInfo)session.merge(naviInfo);
5         tran.commit(); 
6         return backEntity;
7     }