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https://issues.apache.org/jira/browse/HIVE-11925?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14903732#comment-14903732
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Sergey Shelukhin commented on HIVE-11925:
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Note this doesn't remove the check for other file format, I am not sure if
allowing ORC/RC/etc. load from named pipes without checks is a good idea. What
it does is disable automatic detection via blind checks for pipes.
> Hive file format checking breaks load from named pipes
> ------------------------------------------------------
>
> Key: HIVE-11925
> URL: https://issues.apache.org/jira/browse/HIVE-11925
> Project: Hive
> Issue Type: Bug
> Reporter: Sergey Shelukhin
> Assignee: Sergey Shelukhin
> Attachments: HIVE-11925.patch
>
>
> Opening the file and mucking with it when hive.fileformat.check is true (the
> default) breaks the LOAD command from a named pipe. Right now, it's done for
> all the text files blindly to see if they might be in some other format.
> Files.getAttribute can be used to figure out if the input is a named pipe (or
> a socket) and skip the format check.
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