• 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……

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  • 原文地址:https://www.cnblogs.com/sherlockholmes/p/5287043.html
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