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ekeller edited comment on SOLR-236 at 10/28/07 1:55 PM: ---------------------------------------------------------------- Here is the patch for solr 1.3 rev 589395. I made some performance improvement. No more cache. I use bitdocset or hashdocset depending on solrconfig.hashdocsetmaxsize variable. Regards, Emmanuel Keller. was (Author: ekeller): Here is the patch for solr 1.3 rev 589395. I made some performance improvment. No more cache. We are using bitdocset or hashdocset using solrconfig.hashdocsetmaxsize variable. Regards, Emmanuel Keller. > Field collapsing > ---------------- > > Key: SOLR-236 > URL: https://issues.apache.org/jira/browse/SOLR-236 > Project: Solr > Issue Type: New Feature > Components: search > Affects Versions: 1.3 > Reporter: Emmanuel Keller > Attachments: field_collapsing_1.1.0.patch, > field_collapsing_1.3.patch, SOLR-236-FieldCollapsing.patch, > SOLR-236-FieldCollapsing.patch, SOLR-236-FieldCollapsing.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 3 new query parameters (SolrParams): > "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 > Two patches: > - "field_collapsing.patch" for current development version > - "field_collapsing_1.1.0.patch" for Solr-1.1.0 > P.S.: Feedback and misspelling correction are welcome ;-) -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.