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https://issues.apache.org/jira/browse/LUCENE-8803?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16880120#comment-16880120
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ASF subversion and git services commented on LUCENE-8803:
---------------------------------------------------------

Commit ac209b637d68c84ce1402b6b8967514ce9cf6854 in lucene-solr's branch 
refs/heads/master from Adrien Grand
[ https://gitbox.apache.org/repos/asf?p=lucene-solr.git;h=ac209b6 ]

LUCENE-8803: Change the way that reverse ordering is implemented.

This addresses some test failures when IndexSearcher is created with an executor
and merges hits with TopDocs#merge.


> Provide a FieldComparator to allow sorting by a feature from a FeatureField
> ---------------------------------------------------------------------------
>
>                 Key: LUCENE-8803
>                 URL: https://issues.apache.org/jira/browse/LUCENE-8803
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Colin Goodheart-Smithe
>            Priority: Major
>             Fix For: master (9.0), 8.2
>
>          Time Spent: 2h
>  Remaining Estimate: 0h
>
> It would be useful to be able to sort search hits by the value of a feature 
> from a feature field (e.g. pagerank). A FieldComparatorSource implementation 
> that enables this would create a convenient generic way to sort using values 
> from feature fields.



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