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https://issues.apache.org/jira/browse/HBASE-11438?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14095724#comment-14095724
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Andrew Purtell commented on HBASE-11438:
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bq. What I was thinking is when a label contains these special op characters,
user has to quote it.
Is it that you'd like us to have the same rules of construction for visibility
expressions and authorizations? For simplifying things for the user?
> [Visibility Controller] Support UTF8 character as Visibility Labels
> -------------------------------------------------------------------
>
> Key: HBASE-11438
> URL: https://issues.apache.org/jira/browse/HBASE-11438
> Project: HBase
> Issue Type: Improvement
> Components: security
> Affects Versions: 0.98.4
> Reporter: ramkrishna.s.vasudevan
> Assignee: ramkrishna.s.vasudevan
> Fix For: 0.98.6
>
> Attachments: HBASE-11438_v1.patch, HBASE-11438_v2.patch,
> HBASE-11438_v3.patch, HBASE-11438_v4.patch, HBASE-11438_v5.patch,
> HBASE-11438_v6.patch, HBASE-11438_v7.patch, HBASE-11438_v8.patch,
> HBASE-11438_v9.patch
>
>
> This would be an action item that we would be addressing so that the
> visibility labels could have UTF8 characters in them. Also allow the user to
> use a client supplied API that allows to specify the visibility labels inside
> double quotes such that UTF8 characters and cases like &, |, ! and double
> quotes itself could be specified with proper escape sequence. Accumulo too
> provides one such API in the client side.
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