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Posted to issues@hive.apache.org by "Prasanth Jayachandran (JIRA)" <ji...@apache.org> on 2018/06/05 06:52:00 UTC

[jira] [Commented] (HIVE-19794) Disable removing order by from subquery in GenericUDTFGetSplits

    [ https://issues.apache.org/jira/browse/HIVE-19794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16501367#comment-16501367 ] 

Prasanth Jayachandran commented on HIVE-19794:
----------------------------------------------

[~jdere]/[~EricWohlstadter] can someone please take a look?

> Disable removing order by from subquery in GenericUDTFGetSplits
> ---------------------------------------------------------------
>
>                 Key: HIVE-19794
>                 URL: https://issues.apache.org/jira/browse/HIVE-19794
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 3.1.0, 4.0.0
>            Reporter: Prasanth Jayachandran
>            Assignee: Prasanth Jayachandran
>            Priority: Major
>         Attachments: HIVE-19794.1.patch
>
>
> spark-llap always wraps query under a subquery, until that is removed from spark-llap
> hive compiler is going to remove inner order by in GenericUDTFGetSplits. disable that optimization until then.



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