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Date: Thu, 4 Nov 2010 10:29:41 -0400 (EDT)
From: "Robert Muir (JIRA)" <jira@apache.org>
To: dev@lucene.apache.org
Subject: [jira] Commented: (LUCENE-588) Escaped wildcard character in
 wildcard term not handled correctly
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    [ https://issues.apache.org/jira/browse/LUCENE-588?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12928220#action_12928220 ] 

Robert Muir commented on LUCENE-588:
------------------------------------

bq. People wouldn't be escaping wildcards and expecting them to still be treated as wildcards, so IMO back compat has no value here.

Ok, i would prefer to not create a mess and just change the behavior: add support for this to WildcardQuery and 
the QP (it is a trivial change there), and fix the reversing in Solr.

I'll make a patch.


> Escaped wildcard character in wildcard term not handled correctly
> -----------------------------------------------------------------
>
>                 Key: LUCENE-588
>                 URL: https://issues.apache.org/jira/browse/LUCENE-588
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: QueryParser
>    Affects Versions: 2.0.0
>         Environment: Windows XP SP2
>            Reporter: Sunil Kamath
>            Assignee: Michael Busch
>            Priority: Minor
>             Fix For: 4.0
>
>         Attachments: LUCENE-588.patch, LUCENE-588.patch
>
>
> If an escaped wildcard character is specified in a wildcard query, it is treated as a wildcard instead of a literal.
> e.g., t\??t is converted by the QueryParser to t??t - the escape character is discarded.

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