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From "Jack Krupansky (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SOLR-3729) ExtendedDismaxQParser (edismax) doesn't parse (*:*) properly
Date Wed, 15 Aug 2012 21:15:37 GMT

     [ https://issues.apache.org/jira/browse/SOLR-3729?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jack Krupansky updated SOLR-3729:
---------------------------------

    Attachment: SOLR-3729.patch

Patch for 4x branch, with tests. Tested in Eclipse. Haven't done full ant test or tested with
trunk, but should be low risk.
                
> ExtendedDismaxQParser (edismax) doesn't parse (*:*) properly
> ------------------------------------------------------------
>
>                 Key: SOLR-3729
>                 URL: https://issues.apache.org/jira/browse/SOLR-3729
>             Project: Solr
>          Issue Type: Bug
>          Components: query parsers
>    Affects Versions: 4.0-BETA
>            Reporter: Jack Krupansky
>         Attachments: SOLR-3729.patch
>
>
> I just happen to notice that (\*:\*) is not parsed properly by the edismax (ExtendedDismaxQParser)
query parser in 4.0-beta. It appears to require spaces before and after the \*:\*, otherwise
it treats the colon as part of a wildcard term (see the escaping below). I haven’t tried
other releases yet.
> My original query:
> http://localhost:8983/solr/select/?debugQuery=true&q=(*:*)&defType=edismax
> Produces this:
> {code}
> <str name="rawquerystring">(*:*)</str>
> <str name="parsedquery">(+DisjunctionMaxQuery((text:*\:*)))/no_coord</str>
> <str name="parsedquery_toString">+(text:*\:*)</str>
> <str name="QParser">ExtendedDismaxQParser</str>
> {code}
> Some variations I tried:
> {code}
> <str name="rawquerystring">( *:*)</str>
> <str name="parsedquery">(+DisjunctionMaxQuery((text:*\:*)))/no_coord</str>
> <str name="parsedquery_toString">+(text:*\:*)</str>
>  
> <str name="rawquerystring">(*:* )</str>
> <str name="parsedquery">(+DisjunctionMaxQuery((text:*\:*)))/no_coord</str>
> <str name="parsedquery_toString">+(text:*\:*)</str>
>  
> <str name="rawquerystring">( *:* )</str>
> <str name="parsedquery">(+MatchAllDocsQuery(*:*))/no_coord</str>
> <str name="parsedquery_toString">+*:*</str>
>  
> <str name="rawquerystring">(*:* -fox)</str>
> <str name="parsedquery">
> (+(DisjunctionMaxQuery((text:*\:*)) -DisjunctionMaxQuery((text:fox))))/no_coord
> </str>
> <str name="parsedquery_toString">+((text:*\:*) -(text:fox))</str>
>  
> <str name="rawquerystring">( *:* -fox)</str>
> <str name="parsedquery">
> (+(MatchAllDocsQuery(*:*) -DisjunctionMaxQuery((text:fox))))/no_coord
> </str>
> <str name="parsedquery_toString">+(*:* -(text:fox))</str>
> {code}

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