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Posted to issues@hive.apache.org by "Rui Li (JIRA)" <ji...@apache.org> on 2017/11/03 11:27:00 UTC

[jira] [Assigned] (HIVE-17976) HoS: don't set output collector if there's no data to process

     [ https://issues.apache.org/jira/browse/HIVE-17976?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rui Li reassigned HIVE-17976:
-----------------------------


> HoS: don't set output collector if there's no data to process
> -------------------------------------------------------------
>
>                 Key: HIVE-17976
>                 URL: https://issues.apache.org/jira/browse/HIVE-17976
>             Project: Hive
>          Issue Type: Bug
>          Components: Spark
>            Reporter: Rui Li
>            Assignee: Rui Li
>            Priority: Minor
>
> MR doesn't set an output collector if no row is processed, i.e. {{ExecMapper::map}} is never called. Let's investigate whether Spark should do the same.



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