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https://issues.apache.org/jira/browse/SOLR-14?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12605403#action_12605403
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Mike Klaas commented on SOLR-14:
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Note that it is very easy to use an external TokenFilter, so you could just c&p
WDF into your own class and make the changes.
(Though I'm not saying that this _shouldn't_ make it in for 1.3)
> Add the ability to preserve the original term when using WordDelimiterFilter
> ----------------------------------------------------------------------------
>
> Key: SOLR-14
> URL: https://issues.apache.org/jira/browse/SOLR-14
> Project: Solr
> Issue Type: Improvement
> Components: search
> Reporter: Richard "Trey" Hyde
> Attachments: TokenizerFactory.java, WordDelimiterFilter.patch,
> WordDelimiterFilter.patch
>
>
> When doing prefix searching, you need to hang on to the original term
> othewise you'll miss many matches you should be making.
> Data: ABC-12345
> WordDelimiterFitler may change this into
> ABC 12345 ABC12345
> A user may enter a search such as
> ABC\-123*
> Which will fail to find a match given the above scenario.
> The attached patch will allow the use of the "preserveOriginal" option to
> WordDelimiterFilter and will analyse as
> ABC 12345 ABC12345 ABC-12345
> in which case we will get a postive match.
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