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https://issues.apache.org/jira/browse/HIVE-14511?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15421970#comment-15421970
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Subramanyam Pattipaka commented on HIVE-14511:
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[~pxiong], can you please make following extra changes

1. Check for configs mapred.input.dir.recursive and 
hive.mapred.supports.subdirectories are enabled and then ignore having 
directories after you reach depth same as number of partition columns.
2. If you find any files at unexpected locations then please check for a config 
(can't remember the config name) and produce error for each such path and move 
ahead. Otherwise, fail the operation.

> Improve MSCK for partitioned table to deal with special cases
> -------------------------------------------------------------
>
>                 Key: HIVE-14511
>                 URL: https://issues.apache.org/jira/browse/HIVE-14511
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Pengcheng Xiong
>            Assignee: Pengcheng Xiong
>         Attachments: HIVE-14511.01.patch
>
>
> Some users will have a folder rather than a file under the last partition 
> folder. However, msck is going to search for the leaf folder rather than the 
> last partition folder. We need to improve that.



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