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From "Ashutosh Chauhan (Jira)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-23551) Acid: Update queries should treat dirCache as read-only in AcidUtils
Date Tue, 09 Jun 2020 01:02:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-23551?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17128748#comment-17128748
] 

Ashutosh Chauhan commented on HIVE-23551:
-----------------------------------------

+1

> Acid: Update queries should treat dirCache as read-only in AcidUtils
> --------------------------------------------------------------------
>
>                 Key: HIVE-23551
>                 URL: https://issues.apache.org/jira/browse/HIVE-23551
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>            Reporter: Rajesh Balamohan
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: HIVE-23551.1.patch, HIVE-23551.2.patch, HIVE-23551.3.patch, HIVE-23551.4.patch,
HIVE-23551.5.patch, HIVE-23551.6.patch
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Update statements create delta folders at the end of the execution. When {{insert overwrite}}
followed by {{update}} is executed, it does not get any open txns and ends up caching the {{base}}
folder. However, the delta folder which gets created at the end of the statement never makes
it to the cache. This creates wrong results.



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