mysql创建存储过程中的问题

时间:2023-03-08 16:09:28
mysql创建存储过程中的问题
1.在创建存储过程成功后,使用call 存储过程名执行时报错:

Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT)错误。

解决方法:检查存储过程使用到的表格的编码方式,包括字段和表格本身。最后统一编码方式。在类型是属于字符、字符串这等类型的后面加上 CHARSET utf8
例:
DELIMITER $$
 
USE `mall`$$
 
DROP PROCEDURE IF EXISTS `Prc_AddArticleInfo`$$
 
CREATE DEFINER=`root`@`localhost` PROCEDURE `Prc_AddArticleInfo`(snames TEXT CHARSET utf8,contents TEXT CHARSET utf8,createdtimes DATETIME,voidtimes DATETIME,urls TEXT CHARSET utf8,cags VARCHAR(32) CHARSET utf8,usernames VARCHAR(32) CHARSET utf8)
BEGIN
DECLARE userids INT DEFAULT 0;
DECLARE genreids INT DEFAULT 0;
DECLARE sname TEXT CHARSET utf8 DEFAULT NULL;
DECLARE scontent TEXT CHARSET utf8 DEFAULT NULL;
DECLARE screatedtime TEXT CHARSET utf8 DEFAULT NULL;
DECLARE svoidtime TEXT CHARSET utf8 DEFAULT NULL;
DECLARE surl TEXT CHARSET utf8 DEFAULT NULL;
DECLARE username VARCHAR(32) CHARSET utf8 DEFAULT NULL;
DECLARE cag VARCHAR(32) CHARSET utf8 DEFAULT NULL;
SET sname=snames;
SET scontent=contents;
SET screatedtime=createdtimes;
SET svoidtime=voidtimes;
SET surl=urls;
SET username=usernames;
SET cag=cags;
SELECT id INTO genreids FROM genres WHERE NAME=cag;
SELECT admin_user_id INTO userids FROM admin_user WHERE admin_user_name=username;
INSERT INTO article(NAME,content,createdtime,voidtime,url,genreid,userid) VALUES(sname,scontent,screatedtime,svoidtime,surl,genreids,userids);
END$$
 
DELIMITER ;

连接字符串里加上

Allow User Variables=True

解决。

否则时不时的报错,存储过程名长一点也报错,又有时报有时不报,参数传1位数就正常2位数就报错等……