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Date: Fri, 20 Feb 2015 21:26:12 +0000 (UTC)
From: "Aihua Xu (JIRA)" <jira@apache.org>
To: hive-dev@hadoop.apache.org
Message-ID: <JIRA.12771533.1422716488000.98536.1424467572090@Atlassian.JIRA>
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 <JIRA.12771533.1422716488973@arcas>
Subject: [jira] [Commented] (HIVE-9537) string expressions on a fixed length
 character do not preserve trailing spaces
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    [ https://issues.apache.org/jira/browse/HIVE-9537?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14329581#comment-14329581 ] 

Aihua Xu commented on HIVE-9537:
--------------------------------

[~the6campbells] Are you satisfied with the explanation? This is considered to by design. If you are concerned about the documentation, I will find out how to get it updated to reflect your point and trailing space. Let me know.

> string expressions on a fixed length character do not preserve trailing spaces
> ------------------------------------------------------------------------------
>
>                 Key: HIVE-9537
>                 URL: https://issues.apache.org/jira/browse/HIVE-9537
>             Project: Hive
>          Issue Type: Bug
>          Components: SQL
>            Reporter: N Campbell
>            Assignee: Aihua Xu
>
> When a string expression such as upper or lower is applied to a fixed length column the trailing spaces of the fixed length character are not preserved.
> {code:sql}
> CREATE TABLE  if not exists TCHAR ( 
> RNUM int, 
> CCHAR char(32)    
> )
> ROW FORMAT DELIMITED 
> FIELDS TERMINATED BY '|' 
> LINES TERMINATED BY '\n' 
> STORED AS TEXTFILE;
> {code}
> {{cchar}} as a {{char(32)}}.
> {code:sql}
> select cchar, concat(cchar, cchar), concat(lower(cchar), cchar), concat(upper(cchar), cchar) 
> from tchar;
> {code}
> 0|\N
> 1|
> 2| 
> 3|BB
> 4|EE
> 5|FF


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