pt-online-schema-change utf8mb4 错误

pt-online-schema-change utf8mb4 错误解决方法

Character set 'utf8mb4' is not a compiled character set and is not specified in the '/usr/share/mysql/charsets/Index.xml' file
Character set 'utf8mb4' is not a compiled character set and is not specified in the '/usr/share/mysql/charsets/Index.xml' file
Cannot connect to MySQL: DBI connect('med_data;host=127.0.0.1;mysql_read_default_group=client','root',...) failed: Can't initialize character set utf8mb4 (path: /usr/share/mysql/charsets/) at /usr/bin/pt-online-schema-change line 2281

更改/usr/share/mysql/charsets/Index.xml 内容，将

 

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Unicode   UTF-8 Unicode   utf-8       primary    compiled           binary     compiled

改为

 

1 2 3 4 5 6 7 8 9 10 11 12 13

Unicode   UTF-8 Unicode   utf-8       primary    compiled           binary     compiled

不光光pt-online-schema-change工具会遇到这个问题，其它工具也会，也是这么解决的.

原文地址：http://www.ttlsa.com/mysql/pt-online-schema-change-utf8mb4-error-solution/