MYSQL存储过程<三>:游标操作

//存储过程

DELIMITER $$

DROP PROCEDURE IF EXISTS `fans`.`votecursor`$$

CREATE DEFINER=`fans`@`%` PROCEDURE `votecursor`(out _id varchar(100))

BEGIN

declare id_0 varchar(100) default '';

declare cr0 cursor for select voteuser.id from voteuser;

open cr0;

fetch cr0 into id_0;

close cr0;

set _id = id_0;

END$$

DELIMITER ;

SQLyog调用：

call votecursor(@a);

select @a ;