correct location in chain for EdgeNGramFilterFactory ?

[geeky2]

hello all,

i want to experiment with the EdgeNGramFilterFactory at index time.

i believe this needs to go in post tokenization - but i am doing a pattern
replace as well as other things.

should the EdgeNGramFilterFactory go in right after the pattern replace?




    <fieldType name="text_en_splitting" class="solr.TextField"
positionIncrementGap="100">
      <analyzer type="index">
        <tokenizer class="solr.WhitespaceTokenizerFactory"/>


        <filter class="solr.StopFilterFactory" ignoreCase="true"
words="stopwords.txt" enablePositionIncrements="true"/>
        <filter class="solr.PatternReplaceFilterFactory" pattern="\."
replacement="" replace="all"/>

*put EdgeNGramFilterFactory here ===> ?*

        <filter class="solr.WordDelimiterFilterFactory"
generateWordParts="1" generateNumberParts="1" catenateWords="1"
catenateNumbers="1" catenateAll="1" splitOnCaseChange="1"
preserveOriginal="1"/>
        <filter class="solr.LowerCaseFilterFactory"/>
        <filter class="solr.KeywordMarkerFilterFactory"
protected="protwords.txt"/>
        <filter class="solr.PorterStemFilterFactory"/>
      </analyzer>
      <analyzer type="query">
        <tokenizer class="solr.WhitespaceTokenizerFactory"/>
        <filter class="solr.StopFilterFactory" ignoreCase="true"
words="stopwords.txt" enablePositionIncrements="true"/>
        <filter class="solr.PatternReplaceFilterFactory" pattern="\."
replacement="" replace="all"/>
        <filter class="solr.WordDelimiterFilterFactory"
generateWordParts="1" generateNumberParts="1" catenateWords="0"
catenateNumbers="0" catenateAll="0" splitOnCaseChange="1"
preserveOriginal="1"/>
        <filter class="solr.LowerCaseFilterFactory"/>
        <filter class="solr.KeywordMarkerFilterFactory"
protected="protwords.txt"/>
        <filter class="solr.PorterStemFilterFactory"/>
      </analyzer>
    </fieldType>

thanks for any help,



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