[Err] [Dtf] 1293 - Incorrect table definition; there can be only one TIMESTAMP column with CURRENT_T

***今天在用Navicat运行数据库时出错了，主要原因是MySql 5.5和MySql 5.7（我用的5.7）之后版本的区别：5.5 只能有一个Timestamp,将其中一列类型改为datetime类型就可以解决。

代码如下：

DROP TABLE IF EXISTS `Order_`;
/*!40101 SET @saved_cs_client     = @@character_set_client */;
/*!40101 SET character_set_client = utf8 */;
CREATE TABLE `Order_` (`id` int(11) NOT NULL AUTO_INCREMENT,`orderCode` varchar(255) DEFAULT NULL,`address` varchar(255) DEFAULT NULL,`post` varchar(255) DEFAULT NULL,`receiver` varchar(255) DEFAULT NULL,`mobile` varchar(255) DEFAULT NULL,`userMessage` varchar(255) DEFAULT NULL,`createDate` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,`payDate` timestamp NOT NULL ***DEFAULT CURRENT_TIMESTAMP***,`deliveryDate` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,`confirmDate` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,`uid` int(11) NOT NULL,`status` varchar(255) DEFAULT 'waitConfirm',`total` float DEFAULT NULL,PRIMARY KEY (`id`),KEY `fk_order_user` (`uid`),CONSTRAINT `fk_order_user` FOREIGN KEY (`uid`) REFERENCES `User` (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=2017151091 DEFAULT CHARSET=utf8;

解决办法：将我这里的四个DEFAULT CURRENT_TIMESTAMP删除掉三个。留一个就行，然后mysql5.7会默认类型为datetime。还有在运行数据库时候，要记得有外键关联的表看一下关联了什么表，首先建立，不然报错[Err] 1005 - Can’t create table ‘minsu.orderitem’ (errno: 150)。

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