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https://issues.apache.org/jira/browse/LUCENE-7889?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17104644#comment-17104644
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ASF subversion and git services commented on LUCENE-7889:
---------------------------------------------------------
Commit 7c350d22c7070acf362fb4f477e6797f2711c910 in lucene-solr's branch
refs/heads/master from Alan Woodward
[ https://gitbox.apache.org/repos/asf?p=lucene-solr.git;h=7c350d2 ]
LUCENE-7889: Allow grouping on Double/LongValuesSource (#1484)
The grouping module currently allows grouping on a SortedDocValues field, or on
a ValueSource. The latter groups only on exact values, and so will not perform
well
on numeric-valued fields. This commit adds the ability to group by defined
ranges
from a Long or DoubleValuesSource.
> Allow grouping on DoubleValuesSource ranges
> -------------------------------------------
>
> Key: LUCENE-7889
> URL: https://issues.apache.org/jira/browse/LUCENE-7889
> Project: Lucene - Core
> Issue Type: New Feature
> Affects Versions: 7.0
> Reporter: Alan Woodward
> Assignee: Alan Woodward
> Priority: Major
> Attachments: LUCENE-7889.patch
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> LUCENE-7701 made it easier to define new ways of grouping results. This
> issue adds functionality to group the values of a DoubleValuesSource into a
> set of ranges.
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