[jira] [Updated] (HIVE-14918) Function concat_ws get a wrong value

["Stamatis Zampetakis (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-14918?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stamatis Zampetakis updated HIVE-14918:
---------------------------------------
    Fix Version/s:     (was: 2.1.0)

I cleared the fixVersion field since this ticket is not resolved. Please review this ticket and if the fix is already committed to a specific version please set the version accordingly and mark the ticket as RESOLVED.

According to the JIRA guidelines (https://cwiki.apache.org/confluence/display/Hive/HowToContribute) the fixVersion should be set only when the issue is resolved/closed.

> Function concat_ws get a wrong value  
> --------------------------------------
>
>                 Key: HIVE-14918
>                 URL: https://issues.apache.org/jira/browse/HIVE-14918
>             Project: Hive
>          Issue Type: Bug
>          Components: UDF
>    Affects Versions: 1.1.1, 2.0.0, 2.0.1, 2.1.0
>            Reporter: Xiaowei Wang
>            Assignee: Xiaowei Wang
>            Priority: Critical
>         Attachments: HIVE-14918.0.patch
>
>
> FROM src INSERT OVERWRITE TABLE dest1 SELECT 'abc', 'xyz', '8675309'  WHERE src.key = 86; 
> SELECT concat_ws('.',NULL)  FROM dest1 ;
> The result is a empty  string "",but I think it should be return NULL .



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