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https://issues.apache.org/jira/browse/QPID-5805?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14025179#comment-14025179
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ASF subversion and git services commented on QPID-5805:
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Commit 1601373 from [~astitcher] in branch 'qpid/trunk'
[ https://svn.apache.org/r1601373 ]
QPID-5805: Disallow % and _ characters as escapes in selector LIKE expression
> Selector parser shouldn't allow either % or _ character as an ESCAPE
> character in a LIKE comparison
> ---------------------------------------------------------------------------------------------------
>
> Key: QPID-5805
> URL: https://issues.apache.org/jira/browse/QPID-5805
> Project: Qpid
> Issue Type: Bug
> Components: C++ Broker
> Affects Versions: 0.28
> Reporter: Andrew Stitcher
> Assignee: Andrew Stitcher
> Priority: Minor
>
> a selector expression similar to:
> qpid.subject LIKE '%%%' ESCAPE '%'
> makes no sense. In general the excape character only needs to be chosen for
> aesthetic reasons since it only has to quote %,_, and itself. It nver needs
> to be % or _ and these choices make no sense since then you would not be able
> to have the unquoted version of them anywhere in the string.
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