Add minimum group count for Field Collapsing
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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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