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https://issues.apache.org/jira/browse/HIVE-12372?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15073333#comment-15073333
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Ashutosh Chauhan commented on HIVE-12372:
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Logical changes look good. Few performance comments on RB.
> Improve to support the multibyte character at lpad and rpad
> -----------------------------------------------------------
>
> Key: HIVE-12372
> URL: https://issues.apache.org/jira/browse/HIVE-12372
> Project: Hive
> Issue Type: Bug
> Components: UDF
> Reporter: Shinichi Yamashita
> Assignee: Shinichi Yamashita
> Labels: udf
> Attachments: HIVE-12372.1.patch, HIVE-12372.2.patch
>
>
> The current lpad and rpad don't support the multibyte character at "str" and
> "pad".
> For example, we can see the following result.
> {code}
> hive> select name from sample1;
> OK
> tokyo
> ＴＯＫＹＯ
> hive> select lpad(name, 20, '*') from sample1;
> OK
> ***************tokyo
> *****ＴＯＫＹＯ
> {code}
> This is improved as follows.
> {code}
> hive> select lpad(name, 20, '*') from sample1;
> ***************tokyo
> ***************ＴＯＫＹＯ
> {code}
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