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https://issues.apache.org/jira/browse/ACCUMULO-1000?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13675978#comment-13675978
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Sean Busbey commented on ACCUMULO-1000:
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Also, we should avoid leaking information about data being present at a level
the user can't see.
If visibility is really a part of the key, then as far as a user with only
access FOOBAR is concerned, a cell with vis CATSDEE doesn't exist and the
absence test should reflect that.
Unless there's a different API already that lets a user say "Given these Auths,
can I read everything in column X.Y.Z?"
> support compare and set
> -----------------------
>
> Key: ACCUMULO-1000
> URL: https://issues.apache.org/jira/browse/ACCUMULO-1000
> Project: Accumulo
> Issue Type: New Feature
> Components: client, tserver
> Reporter: Keith Turner
> Assignee: Keith Turner
> Fix For: 1.6.0
>
> Attachments: ACCUMULO-1000-proposal-01.html,
> ACCUMULO-1000-proposal-01.txt
>
>
> Add support to mutation for compare and set operations. This would allow
> user to specify that a row must contain certain data for a mutation to be
> applied.
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