text: CREATE TABLE `t_order_1` (
  	`order_id` BIGINT(20) NOT NULL AUTO_INCREMENT COMMENT '主键',
  	`user_id` BIGINT(20) NOT NULL DEFAULT '0' COMMENT '用户 id',
  	`total_price` DECIMAL(10,2) NOT NULL DEFAULT '0.00' COMMENT '订单价格',
  	`state` TINYINT(4) NOT NULL DEFAULT '0' COMMENT '订单状态',
  	`create_time` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
  	`update_time` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '修改时间',
  	PRIMARY KEY (`order_id`),
  	INDEX `user_id` (`user_id`)
  )
  COLLATE='utf8_general_ci'
  ENGINE=InnoDB
  ;
  
  CREATE TABLE `t_order_2` (
  	`order_id` BIGINT(20) NOT NULL AUTO_INCREMENT COMMENT '主键',
  	`user_id` BIGINT(20) NOT NULL DEFAULT '0' COMMENT '用户 id',
  	`total_price` DECIMAL(10,2) NOT NULL DEFAULT '0.00' COMMENT '订单价格',
  	`state` TINYINT(4) NOT NULL DEFAULT '0' COMMENT '订单状态',
  	`create_time` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
  	`update_time` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '修改时间',
  	PRIMARY KEY (`order_id`),
  	INDEX `user_id` (`user_id`)
  )
  COLLATE='utf8_general_ci'
  ENGINE=InnoDB
  ;
  