MySQL 存储过程 游标例子

MySQL 存储过程 游标例子  

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;