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From "Eugene Koifman (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-8149) hive.optimize.reducededuplication should be set to false for IUD ops
Date Fri, 19 Sep 2014 17:43:34 GMT

    [ https://issues.apache.org/jira/browse/HIVE-8149?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14140952#comment-14140952
] 

Eugene Koifman commented on HIVE-8149:
--------------------------------------

+1 pending tests

> hive.optimize.reducededuplication should be set to false for IUD ops
> --------------------------------------------------------------------
>
>                 Key: HIVE-8149
>                 URL: https://issues.apache.org/jira/browse/HIVE-8149
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 0.14.0
>            Reporter: Eugene Koifman
>            Assignee: Alan Gates
>         Attachments: HIVE-8149.patch
>
>
> this optimizer causes both old and new rows to show up in a select after update (for
tables involving few rows)



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