这篇文章主要介绍了mysql存储过程实例,需要的朋友可以参考下
mysql存储过程
delimiter $
DROP FUNCTION IF EXISTS `fun_convert`$
CREATE DEFINER=`root`@`%` FUNCTION `fun_convert`(para varchar(255))
RETURNS varchar(255) CHARSET gbk
BEGIN
declare result varchar(255) default '';
declare cnt int default 0;
declare i int default 0;
declare id BIGINT default 0;
set cnt = length(para) - length(replace(para,',',''))-1;
WHILE i select c.id into id from company c where c.code = SUBSTRING(para,i*3+2,2); set result = CONCAT(result, ",",id); set i = i+1; end WHILE; set result = CONCAT(result, ","); RETURN result; END $ delimiter ; update users u set u.company = fun_convert(u.COMPANY);
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