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From "Andrew Stitcher (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (QPID-5805) Selector parser shouldn't allow either % or _ character as an ESCAPE character in a LIKE comparison
Date Tue, 10 Jun 2014 01:56:01 GMT

     [ https://issues.apache.org/jira/browse/QPID-5805?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Stitcher resolved QPID-5805.
-----------------------------------

       Resolution: Fixed
    Fix Version/s: 0.29

> 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
>             Fix For: 0.29
>
>
> 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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