Hi,

I am trying multi words query time synonyms with Solr 6.6.2and
SynonymGraphFilterFactory filter as explain in this article
https://lucidworks.com/2017/04/18/multi-word-synonyms-solr-adds-query-time-support/

My field type is :

<fieldType name="textSyn" class="solr.TextField" positionIncrementGap="100">
    <analyzer type="index">
      <tokenizer class="solr.StandardTokenizerFactory"/>
      <filter class="solr.ElisionFilterFactory" ignoreCase="true"
            articles="lang/contractions_fr.txt"/>
      <filter class="solr.LowerCaseFilterFactory"/>
      <filter class="solr.ASCIIFoldingFilterFactory"/>
      <filter class="solr.StopFilterFactory" words="stopwords.txt"
ignoreCase="true"/>
      <filter class="solr.FrenchMinimalStemFilterFactory"/>
    </analyzer>
    <analyzer type="query">
      <tokenizer class="solr.StandardTokenizerFactory"/>
      <filter class="solr.ElisionFilterFactory" ignoreCase="true"
            articles="lang/contractions_fr.txt"/>
      <filter class="solr.LowerCaseFilterFactory"/>
      <filter class="solr.SynonymGraphFilterFactory" synonyms="synonyms.txt"
            ignoreCase="true" expand="true"/>
      <filter class="solr.ASCIIFoldingFilterFactory"/>
      <filter class="solr.StopFilterFactory" words="stopwords.txt"
ignoreCase="true"/>
      <filter class="solr.FrenchMinimalStemFilterFactory"/>
    </analyzer>
  </fieldType>


synonyms.txt contains the line

om, olympique de marseille


The order of words in my query has an impact on the generated query in
edismax

q={!edismax qf='name_text_gp' v=$qq}
&sow=false
&qq=...

with "qq=om maillot" or "qq=olympique de marseille maillot", I can see the
synonyms expansion. It is working as expected.

"parsedquery_toString":"+(((+name_text_gp:olympiqu +name_text_gp:marseil
+name_text_gp:maillot) name_text_gp:om))",
"parsedquery_toString":"+((name_text_gp:om (+name_text_gp:olympiqu
+name_text_gp:marseil +name_text_gp:maillot)))",


with "qq=maillot om" or "qq=maillot olympique de marseille", I can see the
same generated query

"parsedquery_toString":"+((name_text_gp:maillot) (name_text_gp:om))",
"parsedquery_toString":"+((name_text_gp:maillot) (name_text_gp:om))",

I don't understand these generated queries. The first one looks like the
synonym expansion is ignored, but the second one shows it is not ignored
and only the synonym term is used.


What is wrong in the way I am doing this ?

Regards

Dominique

-- 
Dominique BĂ©jean
06 08 46 12 43

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