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From "Xuefu Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-1466) Add NULL DEFINED AS to ROW FORMAT specification
Date Fri, 13 Dec 2013 05:18:07 GMT

    [ https://issues.apache.org/jira/browse/HIVE-1466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13847174#comment-13847174
] 

Xuefu Zhang commented on HIVE-1466:
-----------------------------------

+1

> Add NULL DEFINED AS to ROW FORMAT specification
> -----------------------------------------------
>
>                 Key: HIVE-1466
>                 URL: https://issues.apache.org/jira/browse/HIVE-1466
>             Project: Hive
>          Issue Type: Improvement
>            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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