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https://issues.apache.org/jira/browse/TAJO-1925?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16276211#comment-16276211
 ] 

Tajo QA commented on TAJO-1925:
-------------------------------

{color:red}*-1 overall.*{color}  Here are the results of testing the latest 
attachment 
  http://issues.apache.org/jira/secure/attachment/12771318/TAJO-1925_3.patch
  against master revision release-0.9.0-rc0-738-ga14d1e7.

      {color:red}-1 patch.{color}  The patch command could not apply the patch.

    {color:red}-1 patch.{color}  The patch command could not apply the patch.

Console output: https://builds.apache.org/job/PreCommit-TAJO-Build/905//console

This message is automatically generated.

> Improve hive compatibility with TIMESTAMP partition column.
> -----------------------------------------------------------
>
>                 Key: TAJO-1925
>                 URL: https://issues.apache.org/jira/browse/TAJO-1925
>             Project: Tajo
>          Issue Type: Improvement
>          Components: Catalog, Physical Operator
>    Affects Versions: 0.11.0, 0.12.0
>            Reporter: Jaehwa Jung
>            Assignee: Jaehwa Jung
>             Fix For: 0.12.0
>
>         Attachments: TAJO-1925.patch, TAJO-1925_2.patch, TAJO-1925_3.patch
>
>
> -Currently, Tajo allow to use TIMESTAMP column as a partition key. But if 
> users use TIMESTAMP partition column, Tajo doesn't keep the original 
> TIMESTAMP values. Actually, Tajo automatically converts TIMESTAMP values to 
> STRING literals which are accepted in the format YYYY-MM-DD HH:MM:SS. As a 
> result, Tajo can't keep mills of second and can't provide right hive 
> compatibility-
> We need to support hive compatibility for all partition column types. But 
> when using TIMESTAMP partition column, users might not get correct partitions 
> occasionally because tajo partition name is different from hive partition 
> name. Actually, Tajo automatically converts TIMESTAMP values to STRING 
> literals which are accepted in the format YYYY-MM-DD HH:MM:SS. But Hive 
> automatically converts it to STRING literals which are accepted in the format 
> YYYY-MM-DD HH:MM:SS.MS. 



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