spellcheck.collate returning all results

[Richard Hodsdon]

Hi,

I have been trying to set up spellchecking on our system using the
SpellCheckComponent.

According to the wiki by using spellcheck.collate any fq parameters that are
passed through to the original query while doing spellcheck will return
results if the collation is re-run. So far this has not been happening.
I am getting results returned but if I re-run the query passing through the
collated q param it finds nothing.

My initial Query i as follows:
http://127.0.0.1:8983/solr/select?q=reeed%20bulll&spellcheck=true&spellcheck.collate=true&fq=content_type:post

and I get back in the spellcheck lst
<lst name="spellcheck">
<lst name="suggestions">
<lst name="reeed">
<int name="numFound">1</int>
<int name="startOffset">0</int>
<int name="endOffset">5</int>
<arr name="suggestion">
<str>red</str>
</arr>
</lst>
<lst name="bulll">
<int name="numFound">1</int>
<int name="startOffset">6</int>
<int name="endOffset">11</int>
<arr name="suggestion">
<str>bull</str>
</arr>
</lst>
<str name="collation">red bull</str>
</lst>
</lst>

The issue is if I run the query again using the 'correct' query 

http://127.0.0.1:8983/solr/select?q=red%20bull&spellcheck=true&spellcheck.collate=true&fq=content_type:post&wt=json

I get no reponses returned. This is because of my content_type:post, which
is filtering correctly. 

I have also run spellcheck.build=true 

I have set up my solrconfig.xml as follows.

<searchComponent name="spellcheck" class="solr.SpellCheckComponent">
    <str name="queryAnalyzerFieldType">textgen</str>
    <lst name="spellchecker">
      <str name="classname">solr.IndexBasedSpellChecker</str>
      <str name="spellcheckIndexDir">./spellchecker</str>
      <str name="field">name</str>
      <str name="buildOnCommit">true</str>
          <str name="spellcheck.collate">true</str>
    </lst>
  </searchComponent>

<requestHandler name="search" class="solr.SearchHandler" default="true">
     <lst name="defaults">
       <str name="echoParams">explicit</str>
       <int name="rows">10</int>
     </lst>
     <arr name="last-components">
        <str>spellcheck</str>
     </arr>
</requestHandler>

My scheme.xml declares textgen fieldsType and name field
<field name="name" type="textgen" indexed="true" stored="true"/>
<fieldType name="textgen" 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.WordDelimiterFilterFactory"
generateWordParts="1" generateNumberParts="1" catenateWords="1"
catenateNumbers="1" catenateAll="0" splitOnCaseChange="0"/>
        <filter class="solr.LowerCaseFilterFactory"/>
      </analyzer>
      <analyzer type="query">
        <tokenizer class="solr.WhitespaceTokenizerFactory"/>
        <filter class="solr.SynonymFilterFactory" synonyms="synonyms.txt"
ignoreCase="true" expand="true"/>
        <filter class="solr.StopFilterFactory"
                ignoreCase="true"
                words="stopwords.txt"
                enablePositionIncrements="true"
                />
        <filter class="solr.WordDelimiterFilterFactory"
generateWordParts="1" generateNumberParts="1" catenateWords="0"
catenateNumbers="0" catenateAll="0" splitOnCaseChange="0"/>
        <filter class="solr.LowerCaseFilterFactory"/>
      </analyzer>
    </fieldType>

Thanks

Richard

        

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