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https://issues.apache.org/jira/browse/HIVE-19327?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16457053#comment-16457053
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Sergey Shelukhin commented on HIVE-19327:
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[~steveyeom2017] for the case when there are no finalDirs, and operators must
run, it will not filter dirs, just return original dirs as it...
This will work fine if original dir is empty (causing finalDirs to be null).
However if there's something inside dirs that was excluded from finalDirs, it
will be included and read, which should not happen. I think this condition
needs to be propagated up and handled the same as the other case - by
generation a custom 0-row split.
> qroupby_rollup_empty.q fails for insert-only transactional tables
> -----------------------------------------------------------------
>
> Key: HIVE-19327
> URL: https://issues.apache.org/jira/browse/HIVE-19327
> Project: Hive
> Issue Type: Bug
> Components: Hive
> Affects Versions: 3.0.0
> Reporter: Steve Yeom
> Assignee: Steve Yeom
> Priority: Major
> Fix For: 3.0.0
>
> Attachments: HIVE-19327.01.patch
>
>
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