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https://issues.apache.org/jira/browse/HIVE-19794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16507690#comment-16507690
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Prasanth Jayachandran commented on HIVE-19794:
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Had to add a small fix that changes FileSplit to HiveInputSplit. Committed .4
patch to master and branch-3.
> 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
> Fix For: 3.1.0
>
> Attachments: HIVE-19794.1.patch, HIVE-19794.2.patch,
> HIVE-19794.3.patch, HIVE-19794.4.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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