MySQL 存儲過程 遊標例子

DROP PROCEDURE IF EXISTS mycursor;
CREATE PROCEDURE mycursor()
BEGIN
    DECLARE v_done INT DEFAULT 0;
    DECLARE v_a INT(6);
    DECLARE v_b VARCHAR(20);
    DECLARE cur_bak CURSOR FOR SELECT id, name FROM info;
    DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET v_done = 1;
    OPEN cur_bak;
    REPEAT
        FETCH cur_bak INTO v_a, v_b;
        IF NOT v_done THEN
            INSERT INTO infobak(id, name) VALUES (v_a, v_b);
        END IF;
    UNTIL v_done
    END REPEAT;
    CLOSE cur_bak;
END;

CALL mycursor;

 

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