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Posted to dev@lucene.apache.org by "Joel Bernstein (JIRA)" <ji...@apache.org> on 2014/03/03 16:45:21 UTC
[jira] [Commented] (SOLR-5720) Add ExpandComponent, which expands
results collapsed by the CollapsingQParserPlugin
[ https://issues.apache.org/jira/browse/SOLR-5720?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13918169#comment-13918169 ]
Joel Bernstein commented on SOLR-5720:
--------------------------------------
All tests are passing as well as precommit. I'm going to commit to trunk and continue to work on this feature for Solr 4.8. One ticket to keep an eye on is SOLR-5773 which deals with how elevated documents are collapsed. This will effect the ExpandComponent as well.
> Add ExpandComponent, which expands results collapsed by the CollapsingQParserPlugin
> -----------------------------------------------------------------------------------
>
> Key: SOLR-5720
> URL: https://issues.apache.org/jira/browse/SOLR-5720
> Project: Solr
> Issue Type: New Feature
> Reporter: Joel Bernstein
> Assignee: Joel Bernstein
> Priority: Minor
> Fix For: 4.8, 5.0
>
> Attachments: SOLR-5720.patch, SOLR-5720.patch, SOLR-5720.patch, SOLR-5720.patch, SOLR-5720.patch, SOLR-5720.patch, SOLR-5720.patch, SOLR-5720.patch, SOLR-5720.patch
>
>
> This ticket introduces a new search component called the ExpandComponent. The expand component expands a single page of results collapsed by the CollapsingQParserPlugin.
> Sample syntax:
> {code}
> q=*:*&fq={!collapse field=fieldA}&expand=true&expand.sort=fieldB+asc&expand.rows=10
> {code}
> In the above query the results are collapsed on "fieldA" with the CollapsingQParserPlugin. The expand component expands the current page of collapsed results.
> The initial implementation of the ExpandComponent takes three parameters:
> *expand=true* (Turns on the ExpandComponent)
> *expand.sort=fieldB+asc,fieldC+desc* (Sorts the documents based on a sort spec. If none is specified the documents are sorted by relevance based on the main query.)
> *expand.rows=10* (Sets the numbers of rows that groups are expanded to).
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