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From "Thejas M Nair (JIRA)" <>
Subject [jira] [Commented] (HIVE-1466) Add NULL DEFINED AS to ROW FORMAT specification
Date Tue, 17 Dec 2013 03:29:08 GMT


Thejas M Nair commented on HIVE-1466:

Prasad, can you please add a release note to the jira and create a followup jira for inclusion
in wiki (Lefty or someone else might be able to help with incorporation in wiki) or update
the wiki page itself directly ?
We should try to ensure that all new features get documented. I think the best way to do that
is to ensure that documentation is available before feature is committed.

> Add NULL DEFINED AS to ROW FORMAT specification
> -----------------------------------------------
>                 Key: HIVE-1466
>                 URL:
>             Project: Hive
>          Issue Type: New Feature
>            Reporter: Adam Kramer
>            Assignee: Prasad Mujumdar
>         Attachments: HIVE-1466.1.patch, HIVE-1466.2.patch
> NULL values are passed to transformers as a literal backslash and a literal N. NULL values
are saved when INSERT OVERWRITing LOCAL DIRECTORies as "NULL". This is inconsistent.
> The ROW FORMAT specification of tables should be able to specify the manner in which
a null character is represented. ROW FORMAT NULL DEFINED AS '\N' or '\003' or whatever should
apply to all instances of table export and saving.

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