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https://issues.apache.org/jira/browse/SOLR-12761?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16631061#comment-16631061
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David Smiley commented on SOLR-12761:
-------------------------------------
I can see that point of view. Note solrconfig.xml changes have more complexity
overall due to how to change them via managed APIs and perhaps other
considerations. And it's yet another thing to be documented if both are
supported. Any way, patches welcome!
> Be able to configure “maxExpansions” for FuzzyQuery
> ---------------------------------------------------
>
> Key: SOLR-12761
> URL: https://issues.apache.org/jira/browse/SOLR-12761
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Components: query parsers
> Affects Versions: 7.3
> Reporter: Manuel Gübeli
> Priority: Minor
>
> We had an issue where we reached the expansion limit of the FuzzyQuery.
> Situation:
> * Query «meier~» found «Meier»
> * Query «mazer~» found «Meier»
> * Query «maxer~» found «Meier»
> * Query «mayer~» did *NOT* find «Meier»
> The parameter “maxBooleanClauses” does not help in this situation since the
> “maxExpansions” FuzzyQuery of is never set in Solr and therefore the default
> value of 50 is used. Details: “SolrQuery-ParserBase” calles the default
> constructor new FuzzyQuery(Term term, int maxEdits, int pre-fixLength) and
> therefore FuzzyQuery run always with the default values defaultMaxExpansions
> = 50 and defaultTranspositions = true)
> Suggestion expose FuzzyQuery parameters in solrconfig.xm like e.g.
> <maxBooleanClauses>1024</maxBooleanClauses>
>
> Addtion would be:
> <fuzzyPrefixLength>0</fuzzyPrefixLength>
> <fuzzyMaxExpansions>50</fuzzyMaxExpansions>
> <fuzzyTranspositions>true</fuzzyTranspositions>
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