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https://issues.apache.org/jira/browse/HIVE-524?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12714464#action_12714464
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Johan Oskarsson commented on HIVE-524:
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What is the purpose of the empty files? Could we simply skip adding anything if
the input partition directory is missing? Or alternatively raise an error to
the user.
> ExecDriver adds 0 byte file to input paths
> ------------------------------------------
>
> Key: HIVE-524
> URL: https://issues.apache.org/jira/browse/HIVE-524
> Project: Hadoop Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 0.4.0
> Reporter: Johan Oskarsson
> Fix For: 0.4.0
>
>
> In the addInputPaths method in ExecDriver:
> If the input path of a partition cannot be found or contains no files with
> data in them, a 0 byte file is created and added to the job instead. This
> causes our custom InputFormat to throw an exception since it is asked to
> process an unknown file format (not an lzo file).
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