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https://issues.apache.org/jira/browse/SOLR-10102?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15857590#comment-15857590
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Jan Høydahl commented on SOLR-10102:
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[~mlissner] please provide more details on how to reproduce on one of the
examples. I have not seen the behavior you describe.
In particular, provide a copy of you config, and turn on debugQuery=true and
show your {{parsedQuery}}. When I try to reproduce everything is fine, the
parsedquery shows {{Synonym(address:w address:western)}} which behaves like an
OR, even if my {{q.op}} is AND.
> SynonymFilterFactory in example file is on query not index
> ----------------------------------------------------------
>
> Key: SOLR-10102
> URL: https://issues.apache.org/jira/browse/SOLR-10102
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: examples
> Affects Versions: 4.10.2, 6.4.1
> Reporter: Mike Lissner
>
> The example files for both 4.10.2 and 6.4.1 have entries like these:
> {code:xml}
> <fieldType name="text_general" class="solr.TextField"
> positionIncrementGap="100" multiValued="true">
> <analyzer type="index">
> <tokenizer class="solr.StandardTokenizerFactory"/>
> <filter class="solr.StopFilterFactory" words="stopwords.txt"
> ignoreCase="true"/>
> <filter class="solr.LowerCaseFilterFactory"/>
> </analyzer>
> <analyzer type="query">
> <tokenizer class="solr.StandardTokenizerFactory"/>
> <filter class="solr.StopFilterFactory" words="stopwords.txt"
> ignoreCase="true"/>
> <!-- THIS IS WRONG, RIGHT? -->
> <filter class="solr.SynonymFilterFactory" expand="true"
> ignoreCase="true" synonyms="synonyms.txt"/>
> <filter class="solr.LowerCaseFilterFactory"/>
> </analyzer>
> </fieldType>
> {code}
> You'll note that the synonym filter is applied at query time, which will
> totally fail. Even [the
> docs|https://wiki.apache.org/solr/AnalyzersTokenizersTokenFilters#solr.SynonymFilterFactory]
> say:
> bq. The recommended approach for dealing with synonyms like this, is to
> expand the synonym when indexing.
> Can we fix this? Or is there a reason why this is like this? As I understand
> it, having synonyms on the query means that things just won't be returned
> that should be.
> For example, we have the token "5" set up with a synonym to the word "five".
> So, if somebody searches for 5, the query filter will expand it to "5 AND
> five", which, sure enough, the index doesn't match....no results.
> So...instead of expanding the result set, like synonyms are supposed to do,
> this actively contracts it.
> I hope my frustration in this is misplaced, but if I'm right about this bug,
> can I say that this is the kind of thing that makes Solr super frustrating to
> use?
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