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From "Ed Kohlwey (JIRA)" <>
Subject [jira] [Commented] (ACCUMULO-739) Please add dot (.) as a valid character in column visibility tokens
Date Tue, 28 Aug 2012 17:00:08 GMT


Ed Kohlwey commented on ACCUMULO-739:

Keith, that would be fantastic.

I still want to pose the question: what future use cases are the characters being reserved
against? We're proposing what is arguably the smallest meaningful subset of URI's, which is
already a highly restricted (although widely accepted) grammar for hierarchical resource identification.
To Chris's point, this is not utilizing characters that are commonly used for other purposes,
or even characters that are part of the URI syntax but less commonly used. This is a bare
minimum for hierarchical expressivity.

Accumulo has been through quite a few major revisions and (as far as I know) the only changes
to this component that have ever been implemented involve adding characters to the grammar
to make label structure more expressive.

I just want to suggest that its better to focus on problems that people have today rather
than ones people might have tomorrow.
> Please add dot (.) as a valid character in column visibility tokens
> -------------------------------------------------------------------
>                 Key: ACCUMULO-739
>                 URL:
>             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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