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From "Christopher Tubbs (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-739) Please add dot (.) as a valid character in column visibility tokens
Date Tue, 28 Aug 2012 02:00:07 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-739?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13442889#comment-13442889
] 

Christopher Tubbs commented on ACCUMULO-739:
--------------------------------------------

Allowing all un-reserved characters has the unfortunate side-effect of making any future enhancements
to the visibility grammar impossible to retain backwards-compatibility.

I'm in favor of expanding the allowed character set to include characters typically allowed
in identifiers in other languages, including dots.

I think parenthetical punctuation of all types, as well as question marks, quotations, exclamation
points, and and other characters typically used as operators or delimiters in many languages,
as reserved for future enhancements, if necessary.
                
> Please add dot (.) as a valid character in column visibility tokens
> -------------------------------------------------------------------
>
>                 Key: ACCUMULO-739
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-739
>             Project: Accumulo
>          Issue Type: New Feature
>          Components: client, master, test, thrift, tserver
>    Affects Versions: 1.5.0, 1.5.0-SNAPSHOT
>            Reporter: Ivan Bella
>            Assignee: Billie Rinaldi
>            Priority: Critical
>             Fix For: 1.5.0, 1.5.0-SNAPSHOT
>
>         Attachments: ACCUMULO-739.patch
>
>
> Please add dot (.) as a valid character in column visibility tokens.  This would allow
us to implement hierarchical access control mechanisms.

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