mysql 批量更新临时表中的数据

CREATE

    PROCEDURE `301`.`useCursor`()

   

    BEGIN

 

DECLARE msg VARCHAR(255);  

DECLARE STOP INT DEFAULT 0;  

DECLARE cur CURSOR FOR ( SELECT  `诊断` AS msg FROM `生化信息表_copy`  WHERE `诊断` REGEXP '^肝占位');  

  

DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET STOP = NULL;   

OPEN cur;  

FETCH NEXT FROM cur INTO msg;  

WHILE ( STOP IS NOT NULL) DO  

UPDATE `生化信息表_copy` SET  `诊断`='肝占位' WHERE `诊断`=msg;  

FETCH NEXT FROM cur INTO msg;  

END WHILE;  

CLOSE cur;  

    END$$

DELIMITER ;