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Date: Fri, 7 Mar 2014 18:59:49 +0000 (UTC)
From: "Joe Ferner (JIRA)" <jira@apache.org>
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Subject: [jira] [Updated] (ACCUMULO-2439) Add a NOT (!) operator to
 ColumnVisibility
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     [ https://issues.apache.org/jira/browse/ACCUMULO-2439?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joe Ferner updated ACCUMULO-2439:
---------------------------------

    Attachment: ACCUMULO_2439.patch

> Add a NOT (!) operator to ColumnVisibility
> ------------------------------------------
>
>                 Key: ACCUMULO-2439
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-2439
>             Project: Accumulo
>          Issue Type: New Feature
>          Components: master
>    Affects Versions: 1.5.1
>            Reporter: Joe Ferner
>            Priority: Minor
>              Labels: patch, security
>         Attachments: ACCUMULO_2439.patch
>
>
> This patch adds a NOT (!) operator to ColumnVisibility.
> The syntax is as follows:
> !a
> (!a)&(!b)
> a&(!b)
> a&(!(b|c))
> Because of the nature of the current visibility parsing algorithm the additional parentheses are required.
> In the shell, the "!" requires escaping. This is due to how JLine parses the command and attempts to substitute "!" with history.


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