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Posted to dev@lucene.apache.org by "Andrzej Bialecki (JIRA)" <ji...@apache.org> on 2009/08/15 18:17:14 UTC
[jira] Updated: (LUCENE-1813) Add option to ReverseStringFilter to
mark reversed tokens
[ https://issues.apache.org/jira/browse/LUCENE-1813?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrzej Bialecki updated LUCENE-1813:
--------------------------------------
Attachment: reverseMark.patch
Patch and unit tests.
> Add option to ReverseStringFilter to mark reversed tokens
> ---------------------------------------------------------
>
> Key: LUCENE-1813
> URL: https://issues.apache.org/jira/browse/LUCENE-1813
> Project: Lucene - Java
> Issue Type: Improvement
> Components: contrib/analyzers
> Affects Versions: 2.9
> Reporter: Andrzej Bialecki
> Attachments: reverseMark.patch
>
>
> This patch implements additional functionality in the filter to "mark" reversed tokens with a special marker character (Unicode 0001). This is useful when indexing both straight and reversed tokens (e.g. to implement efficient leading wildcards search).
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