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https://issues.apache.org/jira/browse/LUCENE-3098?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13034040#comment-13034040
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Michael McCandless commented on LUCENE-3098:
--------------------------------------------
Right, we'd make it clear the collection is unordered.
It just seems like, since we are building up this collection anyway, we may as
well give access to the consumer?
> Grouped total count
> -------------------
>
> Key: LUCENE-3098
> URL: https://issues.apache.org/jira/browse/LUCENE-3098
> Project: Lucene - Java
> Issue Type: New Feature
> Reporter: Martijn van Groningen
> Fix For: 3.2, 4.0
>
> Attachments: LUCENE-3098-3x.patch, LUCENE-3098.patch,
> LUCENE-3098.patch, LUCENE-3098.patch
>
>
> When grouping currently you can get two counts:
> * Total hit count. Which counts all documents that matched the query.
> * Total grouped hit count. Which counts all documents that have been grouped
> in the top N groups.
> Since the end user gets groups in his search result instead of plain
> documents with grouping. The total number of groups as total count makes more
> sense in many situations.
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