MySQL 存储过程之游标

BEGIN
DECLARE Done INT DEFAULT 0;
DECLARE id_ INT;
DECLARE name_ VARCHAR(30);
/* 声明游标 */
DECLARE v_cur CURSOR FOR SELECT id_,name_ FROM t;
/* 异常处理 */
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET Done = 1;

/* 打开游标 */
OPEN v_cur;

/* 逐个取出当前记录LingQi字段的值，需要进行最大值的判断 */
FETCH NEXT FROM v_cur INTO id_, name_;
/* 遍历数据表 */
REPEAT
IF NOT Done THEN
........
END IF;
FETCH NEXT FROM v_cur INTO id_, name_;

UNTIL Done END REPEAT;

/* 关闭游标 */
CLOSE v_cur;
END