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Otis Gospodnetic commented on SOLR-236: --------------------------------------- Question: Do you need collapse=true when you can detect whether collapse.field has been specified or not? > Field collapsing > ---------------- > > Key: SOLR-236 > URL: https://issues.apache.org/jira/browse/SOLR-236 > Project: Solr > Issue Type: New Feature > Components: search > Affects Versions: 1.2 > Reporter: Emmanuel Keller > Attachments: collapse_field.patch, collapse_field.patch, > field_collapsing.patch, field_collapsing.patch > > > This patch include a new feature called "Field collapsing". > "Used in order to collapse a group of results with similar value for a given > field to a single entry in the result set. Site collapsing is a special case > of this, where all results for a given web site is collapsed into one or two > entries in the result set, typically with an associated "more documents from > this site" link. See also Duplicate detection." > http://www.fastsearch.com/glossary.aspx?m=48&amid=299 > The implementation add 4 new query parameters (SolrParams): > "collapse" set to true to enable collapsing. > "collapse.field" to choose the field used to group results > "collapse.type" normal (default value) or adjacent > "collapse.max" to select how many continuous results are allowed before > collapsing > TODO (in progress): > - More documentation (on source code) > - Test cases -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.