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https://issues.apache.org/jira/browse/SOLR-4646?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16055614#comment-16055614
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ASF subversion and git services commented on SOLR-4646:
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Commit 8648b005e28d24b7e18726502ae1ea5fffa44a5c in lucene-solr's branch
refs/heads/master from [~janhoy]
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=8648b00 ]
SOLR-4646: eDismax lowercaseOperators now defaults to "false" for
luceneMatchVersion >= 7.0.0
> [edismax] let lowercaseOperators default to "false"
> ---------------------------------------------------
>
> Key: SOLR-4646
> URL: https://issues.apache.org/jira/browse/SOLR-4646
> Project: Solr
> Issue Type: Improvement
> Components: query parsers
> Affects Versions: 4.1, 4.2
> Reporter: Alexander Koval
> Assignee: Jan Høydahl
> Priority: Trivial
> Fix For: master (7.0)
>
> Attachments: SOLR-4646.patch, SOLR-4646.patch, SOLR-4646.patch,
> SOLR-4646.patch
>
>
> [Documentation|http://wiki.apache.org/solr/ExtendedDisMax#lowercaseOperators]
> says:
> *lowercaseOperators*
> This param controls whether to try to interpret lowercase words as boolean
> operators such as "and", "not" and "or". Set {{&lowercaseOperators=true}} to
> allow this. Default is {{"*false*"}}.
> But in fact {{lowercaseOperators=true}} by default.
> And if one of boolean operators in lowercase is present in query it turns off
> {{mm}} parameter:
> * {{q=Young+6+or+Ariston&defType=edismax&qf=name&mm=100%25&debugQuery=true}}
> {{"parsedquery_toString": "+((name:young) (name:6) (name:ariston))"}}
> *
> {{q=Young+6+or+Ariston&defType=edismax&qf=name&mm=100%25&lowercaseOperators=false&debugQuery=true}}
> {{"parsedquery_toString": "+(((name:young) (name:6) (name:ariston))~3)"}}
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