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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-19481) Tablesample uses incorrect logic to pick files corresponding to buckets.
Date Wed, 27 Jun 2018 01:15:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-19481?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16524419#comment-16524419
] 

Hive QA commented on HIVE-19481:
--------------------------------

| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
| {color:red}-1{color} | {color:red} patch {color} | {color:red}  0m 17s{color} | {color:red}
/data/hiveptest/logs/PreCommit-HIVE-Build-12175/patches/PreCommit-HIVE-Build-12175.patch does
not apply to master. Rebase required? Wrong Branch? See http://cwiki.apache.org/confluence/display/Hive/HowToContribute
for help. {color} |
\\
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|| Subsystem || Report/Notes ||
| Console output | http://104.198.109.242/logs//PreCommit-HIVE-Build-12175/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> Tablesample uses incorrect logic to pick files corresponding to buckets.
> ------------------------------------------------------------------------
>
>                 Key: HIVE-19481
>                 URL: https://issues.apache.org/jira/browse/HIVE-19481
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>    Affects Versions: 3.0.0
>            Reporter: Steve Yeom
>            Assignee: Deepak Jaiswal
>            Priority: Major
>             Fix For: 3.1.0, 4.0.0
>
>         Attachments: HIVE-19481.01-branch-3.patch, HIVE-19481.1.patch, HIVE-19481.2.patch,
HIVE-19481.3.patch, HIVE-19481.4.patch
>
>
> Ran "mvn test -Dtest=TestMiniLlapLocalCliDriver -Dqfile=sample10.q " after changing the
table to be 
> insert-only transactional. 
> The following queries returns couple of rows whereis no row results returns for non-ACID
table. 
> query: select ds, count(1) from srcpartbucket tablesample (bucket 2 out of 4 on key)
where ds is not null group by ds ORDER BY ds ASC
> 2008-04-08      14
> 2008-04-09      14
> ..
> query: select ds, count(1) from srcpartbucket tablesample (bucket 1 out of 2 on key)
where ds is not null group by ds ORDER BY ds ASC
> 2008-04-08      4
> 2008-04-09      4



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