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From "Kellen Dye (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SOLR-3152) Add minimum group count for Field Collapsing
Date Tue, 21 Feb 2012 22:34:54 GMT
Add minimum group count for Field Collapsing
--------------------------------------------

                 Key: SOLR-3152
                 URL: https://issues.apache.org/jira/browse/SOLR-3152
             Project: Solr
          Issue Type: New Feature
          Components: search
    Affects Versions: 3.6, 4.0
            Reporter: Kellen Dye
            Priority: Minor


When performing field collapsing, it is occasionally desirable to filter out groups which
have fewer than a given number of matches. So, for example:

q=solr+memory&group=true&group.field=manu_exact&group.min=3

would group on 'manu_exact', but exclude groups where numFound is less than 3.

See also this stackoverflow question:
http://stackoverflow.com/questions/9377743/how-to-retrieve-solr-documents-having-at-least-2-numfound-with-grouping

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