django多数据库事务处理

@transaction.commit_manually(using='other_db')
@transaction.commit_manually
def test(request):    
    t3 = model.Test3()
    t1 = model.Test1()
    try:
        sid = transaction.savepoint(using='other_db')
        t3.save(using='other_db')        
        sid1 = transaction.savepoint()
        t1.save()
        transaction.savepoint_commit(sid,using='other_db')        
        transaction.commit(using='other_db')
        transaction.savepoint_commit(sid1)
        transaction.commit()
        return rest.response("success")
    except:
        transaction.savepoint_rollback(sid,using='other_db')
        transaction.savepoint_rollback(sid1)
        transaction.rollback(using='other_db')  
        transaction.rollback()
        return rest.error_response(400, "fail")

test1表的表结构：

delimiter $$

CREATE TABLE `test1` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `a` varchar(45) NOT NULL,
  `b` varchar(45) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `a_UNIQUE` (`a`)
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8$$

test3表的表结构：

delimiter $$

CREATE TABLE `test3` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `a` varchar(45) NOT NULL,
  `b` varchar(45) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8$$