[GitHub] [ambari] akiyamaneko opened a new pull request #3252: [AMBARI-25579] Historical configuration parameters display garbled characters

[GitBox]

akiyamaneko opened a new pull request #3252:
URL: https://github.com/apache/ambari/pull/3252


   ## What changes were proposed in this pull request?
   + Ambari has some tables that explicitly specify the encoding type of the 
field as 
UTF-8([Ambari-DDL-MySQL-CREATE.sql#L973](https://github.com/apache/ambari/tree/branch-2.7/ambari-server/src/main/resources/Ambari-DDL-MySQL-CREATE.sql#L973)
 and 
[Ambari-DDL-MySQL-CREATE.sql#L993](https://github.com/apache/ambari/tree/branch-2.7/ambari-server/src/main/resources/Ambari-DDL-MySQL-CREATE.sql#L993)),
  However, the mysql URL in `/etc/ambari-server/conf/ambari.properties` does 
not specify a character set, which would cause the encoding methods of MySQL 
and Ambari-server to be inconsistent.
   + The `note` field in the `serviceconfig` table of mysql preferably also 
supports non-ASCII characters.
   ## How was this patch tested?
   munual test result shows like this:
   ![ambari serviceconfig in mysql shows 
illegal-fixed](https://user-images.githubusercontent.com/52202080/97853865-aa24ad00-1d33-11eb-8551-70dd9de39c5f.png)
   ![ambari serviceconfig in web page shows 
illegal-fixed](https://user-images.githubusercontent.com/52202080/97853878-ad1f9d80-1d33-11eb-85cc-ca553b4db8e5.png)
   


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