Hi Steve, a query such as *abc* would need the NGramFilterFactor, hence the doubleedgytext, and would be retrievable by a query such as contains:abc. Note that you can set the max and minimum size of strings that get indexed.
bern -----Original Message----- From: A. Steven Anderson [mailto:a.steven.ander...@gmail.com] Sent: Friday, 6 November 2009 10:08 AM To: solr-user@lucene.apache.org Subject: Re: leading and trailing wildcard query Thanks for the solution, but could you elaborate on how it would find something like *abc* in a field that contains xxxxabcxxxx. Steve On Thu, Nov 5, 2009 at 5:25 PM, Bernadette Houghton < bernadette.hough...@deakin.edu.au> wrote: > I've just set up something similar (much thanks to Avesh!)- > > <fieldType name="edgytext" class="solr.TextField" > positionIncrementGap="100"> > <analyzer type="index"> > <tokenizer class="solr.KeywordTokenizerFactory"/> > <filter class="solr.LowerCaseFilterFactory"/> > <filter class="solr.EdgeNGramFilterFactory" minGramSize="5" > maxGramSize="25" /> > </analyzer> > <analyzer type="query"> > <tokenizer class="solr.KeywordTokenizerFactory"/> > <filter class="solr.LowerCaseFilterFactory"/> > </analyzer> > </fieldType> > > <fieldType name="doubleedgytext" class="solr.TextField" > positionIncrementGap="100"> > <analyzer type="index"> > <tokenizer class="solr.KeywordTokenizerFactory"/> > <filter class="solr.LowerCaseFilterFactory"/> > <filter class="solr.NGramFilterFactory" minGramSize="5" maxGramSize="25" > /> > </analyzer> > <analyzer type="query"> > <tokenizer class="solr.KeywordTokenizerFactory"/> > <filter class="solr.LowerCaseFilterFactory"/> > </analyzer> > </fieldType> > . > . > <field name="beginswith" type="edgytext" indexed="true" stored="false" > multiValued="true"/> > <field name="contains" type="doubleedgytext" indexed="true" > stored="false" multiValued="true"/> > . > . > <!-- Copy for BEGINSWITH search --> > <copyField source="content" dest="beginswith"/> > <copyField source="*_t" dest="beginswith"/> > <copyField source="*_mt" dest="beginswith"/> > > <!-- Copy for CONTAINS search --> > <copyField source="content" dest="contains"/> > <copyField source="*_t" dest="contains"/> > <copyField source="*_mt" dest="contains"/> > > bern
