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Posted to dev@hive.apache.org by "Eugene Koifman (JIRA)" <ji...@apache.org> on 2014/09/18 02:57:34 UTC

[jira] [Commented] (HIVE-8149) hive.optimize.reducededuplication should be set to false for IUD ops

    [ https://issues.apache.org/jira/browse/HIVE-8149?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14138313#comment-14138313 ] 

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

also, hive.mapred.supports.subdirectories=true should be set (and ideally removed from all the 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
>
> 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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