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This article will explain in detail how to use cursors in mysql stored procedures. The editor thinks it is very practical, so I share it with you as a reference. I hope you can get something after reading this article.

DELIMITER $$

USE `cms` $$

DROP PROCEDURE IF EXISTS `p2` $$

CREATE DEFINER= `root` @ `% `PROCEDURE `p2` ()

BEGIN

DECLARE result VARCHAR (1280)

DECLARE v_PROGRAM_ID INT

DECLARE NO INT

DECLARE cur_1 CURSOR FOR SELECT CONCAT (FINISH_PLATFORM_IDS,';105'), a.PROGRAM_ID FROM an a LEFT JOIN cms_program b ON a.PROGRAM_ID=b.PROGRAM_ID

DECLARE CONTINUE HANDLER FOR NOT FOUND SET NO=1

SET NO=0

OPEN cur_1

WHILE NO=0 DO

FETCH cur_1 INTO result,v_PROGRAM_ID

UPDATE cms_program SET FINISH_PLATFORM_IDS=result WHERE PROGRAM_ID=v_PROGRAM_ID

END WHILE

CLOSE cur_1

END$$

DELIMITER

This is the end of the article on "how to use cursors in mysql stored procedures". I hope the above content can be of some help to you, so that you can learn more knowledge. if you think the article is good, please share it for more people to see.

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