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From "Alexander Kolbasov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-18526) Backport HIVE-16886 to Hive 2
Date Thu, 25 Jan 2018 01:34:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-18526?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16338563#comment-16338563
] 

Alexander Kolbasov commented on HIVE-18526:
-------------------------------------------

The patch in branch2 uses DataNucleus way of generating {{SELECT FOR UPDATE:}}

 
{code:java}
query.setSerializeRead(true);
{code}

This is simpler, then the original fix and works with all DB backends.

I wrote modified version of the test to ensure correctness for concurrent updates.

> Backport HIVE-16886 to Hive 2
> -----------------------------
>
>                 Key: HIVE-18526
>                 URL: https://issues.apache.org/jira/browse/HIVE-18526
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Hive
>    Affects Versions: 2.3.3
>            Reporter: Alexander Kolbasov
>            Priority: Major
>         Attachments: HIVE-18526.01-branch-2.patch
>
>
> The fix for HIVE-16886 isn't in Hive 2.



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