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Thomas Traeger commented on SOLR-236: ------------------------------------- ron, your approach should work, I just verified it on my Ubuntu 9.04 box. Here are my steps to a working example installation of solr 1.3.0 with collapsing enabled: {noformat} java -version > java version "1.6.0_13" > Java(TM) SE Runtime Environment (build 1.6.0_13-b03) > Java HotSpot(TM) 64-Bit Server VM (build 11.3-b02, mixed mode) wget http://www.apache.org/dist/lucene/solr/1.3.0/apache-solr-1.3.0.tgz tar xvzf apache-solr-1.3.0.tgz wget http://issues.apache.org/jira/secure/attachment/12407410/SOLR-236_collapsing.patch cd apache-solr-1.3.0/ patch -p0 <../SOLR-236_collapsing.patch mv src/common/org/apache/solr/common/params/CollapseParams.java src/java/org/apache/solr/common/params/ ant example cd example/ vi solr/conf/solrconfig.xml {noformat} add the collapse component class definition: {noformat} <searchComponent name="collapse" class="org.apache.solr.handler.component.CollapseComponent" /> {noformat} set the components in the standard requestHandler: {noformat} <arr name="components"> <str>collapse</str> </arr> {noformat} start jetty {noformat} java -jar start.jar {noformat} add example docs {noformat} cd example/exampledocs sh post.sh *.xml {noformat} and open http://localhost:8983/solr/select/?q=*:*&collapse.field=cat in your browser. > 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 > Fix For: 1.5 > > Attachments: collapsing-patch-to-1.3.0-dieter.patch, > collapsing-patch-to-1.3.0-ivan.patch, collapsing-patch-to-1.3.0-ivan_2.patch, > collapsing-patch-to-1.3.0-ivan_3.patch, field-collapse-solr-236-2.patch, > field-collapse-solr-236.patch, field-collapsing-extended-592129.patch, > field_collapsing_1.1.0.patch, field_collapsing_1.3.patch, > field_collapsing_dsteigerwald.diff, field_collapsing_dsteigerwald.diff, > field_collapsing_dsteigerwald.diff, SOLR-236-FieldCollapsing.patch, > SOLR-236-FieldCollapsing.patch, SOLR-236-FieldCollapsing.patch, > solr-236.patch, SOLR-236_collapsing.patch, SOLR-236_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 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.