Hi Andreas; I've implemented a similar feature into EdgeNgramFilter due to some Solr users wants it. My patch is here: https://issues.apache.org/jira/browse/SOLR-5332 However if you read the conversation below the issue you will realize that you can do it with another way.
Thanks; Furkan KAMACI 2014-04-06 23:24 GMT+03:00 Andreas Owen <ao...@swissonline.ch>: > i have the a fieldtype that uses ngramfilter whle indexing. is there a > setting that can force the ngramfilter to index smaller words then the > minGramSize? Mine is set to 3 and the search wont find word that are only 1 > or 2 chars long. i would like to not set minGramSize=1 because the results > would be to diverse. > > fieldtype: > > <fieldType name="text_de" class="solr.TextField" > positionIncrementGap="100"> > <analyzer type="index"> > <tokenizer class="solr.StandardTokenizerFactory"/> > <filter class="solr.LowerCaseFilterFactory"/> > <!-- <filter class="solr.WordDelimiterFilterFactory" > types="at-under-alpha.txt"/> --> > <filter class="solr.StopFilterFactory" ignoreCase="true" > words="lang/stopwords_de.txt" format="snowball" > enablePositionIncrements="true"/> > <!-- remove common words --> > <filter class="solr.GermanNormalizationFilterFactory"/> > <filter class="solr.SnowballPorterFilterFactory" > language="German"/> <!-- remove noun/adjective inflections like plural > endings --> > <filter class="solr.WordDelimiterFilterFactory" > generateWordParts="1" generateNumberParts="1" catenateWords="1" > catenateNumbers="1" catenateAll="0" splitOnCaseChange="1"/> > <filter class="solr.NGramFilterFactory" minGramSize="3" > maxGramSize="50"/> > > </analyzer> > <analyzer type="query"> > <tokenizer class="solr. > WhiteSpaceTokenizerFactory"/> > <filter class="solr.LowerCaseFilterFactory"/> > <filter class="solr.StopFilterFactory" > ignoreCase="true" words="lang/stopwords_de.txt" format="snowball" > enablePositionIncrements="true"/> <!-- remove common words --> > <filter class="solr.GermanNormalizationFilterFacto > ry"/> > <filter class="solr.SnowballPorterFilterFactory" > language="German"/> > <filter class="solr.WordDelimiterFilterFactory" > generateWordParts="1" generateNumberParts="1" catenateWords="1" > catenateNumbers="1" catenateAll="0" splitOnCaseChange="1"/> > </analyzer> > </fieldType> >
