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From "Justin Boseant (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-4046) Column masking
Date Thu, 21 Feb 2013 01:12:12 GMT

    [ https://issues.apache.org/jira/browse/HIVE-4046?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13582759#comment-13582759
] 

Justin Boseant commented on HIVE-4046:
--------------------------------------

The problem with using authorization is that querying one of these columns is going to result
in an error / failed query.  The requested functionality requires that we succeed the query
and mask the data.
                
> Column masking
> --------------
>
>                 Key: HIVE-4046
>                 URL: https://issues.apache.org/jira/browse/HIVE-4046
>             Project: Hive
>          Issue Type: New Feature
>          Components: Authorization, CLI, Metastore, Query Processor, Security
>    Affects Versions: 0.11.0
>            Reporter: Samuel Yuan
>            Assignee: Samuel Yuan
>
> Sometimes data in a table needs to be kept around but made inaccessible. Right now it
is possible to offline a table or a partition, but not a specific column of a partition. Also,
accessing an offlined table results in an error. With this change, it will be possible to
mask a column at the partition level, causing all further queries to that column to return
null.

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