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From "Adam Kramer (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-621) Inconsistent reporting of "null" and delimiter across access types
Date Thu, 09 Jul 2009 18:36:15 GMT

    [ https://issues.apache.org/jira/browse/HIVE-621?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12729376#action_12729376
] 

Adam Kramer commented on HIVE-621:
----------------------------------

Actually, this behavior appears to have just changed also--I did an INSERT OVERWRITE LOCAL
DIRECTORY, and the result was delimited by ^A *and* \t characters (like, a key/value pairing...first
column, ^A, other columns).

Inserting into a local directory should DEFINITELY use the same delimiter to separate all
columns. Failure to do this is likely a bug. The "wish" is that it also be consistent with
SELECT output.

> Inconsistent reporting of "null" and delimiter across access types
> ------------------------------------------------------------------
>
>                 Key: HIVE-621
>                 URL: https://issues.apache.org/jira/browse/HIVE-621
>             Project: Hadoop Hive
>          Issue Type: Wish
>            Reporter: Adam Kramer
>
> If you INSERT OVERWRITE LOCAL DIRECTORY, you get a bunch of \N fields in your output...If
you hive -e "SELECT ..." you get a bunch of "null" fields in your output. I also recall having
seen NULL (in caps) before somewhere, too, but maybe I'm dreaming that.
> In any case, it would be nice if this were consistent! Preference: \N everywhere.
> Ditto, when you I O L D, your fields are ^A-delimited, but when you SELECT, they're ^V
(tab)-delimited. It would be nice if this, too, were consistent. Preference: tabs everywhere.

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