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From Apache Wiki <wikidi...@apache.org>
Subject [Solr Wiki] Update of "AnalyzersTokenizersTokenFilters" by YonikSeeley
Date Sun, 13 Sep 2009 20:07:37 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Solr Wiki" for change notification.

The following page has been changed by YonikSeeley:
http://wiki.apache.org/solr/AnalyzersTokenizersTokenFilters

The comment on the change is:
pointer for ReversedWildcardFilterFactory 

------------------------------------------------------------------------------
      </fieldType>
  }}}
  
+ [[Anchor(ReversedWildcardFilterFactory)]]
+ ==== solr.ReversedWildcardFilterFactory ====
+ <!> ["Solr1.4"]
+ 
+ A filter that reverses tokens to provide faster leading wildcard and prefix queries.  Add
this filter to the index analyzer, but not the query analyzer.  The standard Solr query parser
(SolrQuerySyntax) will use this to reverse wildcard and prefix queries to improve performance
(for example, translating myfield:*foo into myfield:oof*).  To avoid collisions and false
matches, reversed tokens are indexed with a prefix that should not otherwise appear in indexed
text.
+ 
+ See the [http://lucene.apache.org/solr/api/org/apache/solr/analysis/ReversedWildcardFilterFactory.html
javadoc] for more details, or the [http://svn.apache.org/viewvc/lucene/solr/trunk/example/solr/conf/schema.xml?view=markup
example schema].
+ 

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