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Posted to issues@hive.apache.org by "Igor Kryvenko (JIRA)" <ji...@apache.org> on 2018/06/01 15:58:00 UTC

[jira] [Updated] (HIVE-17683) Annotate Query Plan with locking information

     [ https://issues.apache.org/jira/browse/HIVE-17683?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Igor Kryvenko updated HIVE-17683:
---------------------------------
    Status: Patch Available  (was: Open)

> Annotate Query Plan with locking information
> --------------------------------------------
>
>                 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-17683.01.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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