[jira] [Updated] (SOLR-2649) MM ignored in edismax queries with operators

["Ahmet Arslan (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-2649?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ahmet Arslan updated SOLR-2649:
-------------------------------
    Priority: Major  (was: Minor)

> MM ignored in edismax queries with operators
> --------------------------------------------
>
>                 Key: SOLR-2649
>                 URL: https://issues.apache.org/jira/browse/SOLR-2649
>             Project: Solr
>          Issue Type: Bug
>          Components: query parsers
>            Reporter: Magnus Bergmark
>            Assignee: Erick Erickson
>             Fix For: 4.9, Trunk
>
>         Attachments: SOLR-2649-with-Qop.patch, SOLR-2649-with-Qop.patch, SOLR-2649.diff, SOLR-2649.patch
>
>
> Hypothetical scenario:
>   1. User searches for "stocks oil gold" with MM set to "50%"
>   2. User adds "-stockings" to the query: "stocks oil gold -stockings"
>   3. User gets no hits since MM was ignored and all terms where AND-ed together
> The behavior seems to be intentional, although the reason why is never explained:
>   // For correct lucene queries, turn off mm processing if there
>   // were explicit operators (except for AND).
>   boolean doMinMatched = (numOR + numNOT + numPluses + numMinuses) == 0; 
> (lines 232-234 taken from tags/lucene_solr_3_3/solr/src/java/org/apache/solr/search/ExtendedDismaxQParserPlugin.java)
> This makes edismax unsuitable as an replacement to dismax; mm is one of the primary features of dismax.



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