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From "Michael McCandless (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (LUCENE-1421) Ability to group search results by field
Date Wed, 11 May 2011 22:38:47 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-1421?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Michael McCandless updated LUCENE-1421:
---------------------------------------

    Attachment: LUCENE-1421.patch

Patch w/ next iteration... I beefed up the overview.html, added test case coverage of "null"
groupValue.

I think it's ready to commit and then back-port to 3.x!

> Ability to group search results by field
> ----------------------------------------
>
>                 Key: LUCENE-1421
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1421
>             Project: Lucene - Java
>          Issue Type: New Feature
>          Components: Search
>            Reporter: Artyom Sokolov
>            Assignee: Michael McCandless
>            Priority: Minor
>             Fix For: 3.2, 4.0
>
>         Attachments: LUCENE-1421.patch, LUCENE-1421.patch, lucene-grouping.patch
>
>
> It would be awesome to group search results by specified field. Some functionality was
provided for Apache Solr but I think it should be done in Core Lucene. There could be some
useful information like total hits about collapsed data like total count and so on.
> Thanks,
> Artyom

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