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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-17683) Add explain locks <sql> command
Date Mon, 30 Jul 2018 18:25:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-17683?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16562279#comment-16562279
] 

Hive QA commented on HIVE-17683:
--------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:red}-1{color} | {color:red} patch {color} | {color:red}  0m 11s{color} | {color:red}
/data/hiveptest/logs/PreCommit-HIVE-Build-12946/patches/PreCommit-HIVE-Build-12946.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-12946/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> Add explain locks <sql> command
> -------------------------------
>
>                 Key: HIVE-17683
>                 URL: https://issues.apache.org/jira/browse/HIVE-17683
>             Project: Hive
>          Issue Type: New Feature
>          Components: Transactions
>            Reporter: Eugene Koifman
>            Assignee: Igor Kryvenko
>            Priority: Critical
>         Attachments: HIVE-17683-branch-3.patch, HIVE-17683.01.patch, HIVE-17683.02.patch,
HIVE-17683.03.patch, HIVE-17683.04.patch, HIVE-17683.05.patch, HIVE-17683.06.patch
>
>
> Explore if it's possible to add info about what locks will be asked for to the query
plan.
> Lock acquisition (for Acid Lock Manager) is done in DbTxnManager.acquireLocks() which
is called once the query starts running.  Would need to refactor that.



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