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https://issues.apache.org/jira/browse/LUCENE-8857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16877233#comment-16877233
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ASF subversion and git services commented on LUCENE-8857:
---------------------------------------------------------
Commit f686167e710e2dd1d8b37f938ee0fcda9cebbe1a in lucene-solr's branch
refs/heads/master from Atri Sharma
[ https://gitbox.apache.org/repos/asf?p=lucene-solr.git;h=f686167 ]
LUCENE-8857: Introduce Custom Tiebreakers in TopDocs#merge (#757)
This commit introduces custom tiebreakers which allows users to
specify custom tiebreakers when ordering hits to return. A
default tiebreaker is introduced for tie breaking on shard index
first and then docID.
> Refactor TopDocs#Merge To Take In Custom Tie Breakers
> -----------------------------------------------------
>
> Key: LUCENE-8857
> URL: https://issues.apache.org/jira/browse/LUCENE-8857
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Atri Sharma
> Priority: Major
> Fix For: master (9.0)
>
> Attachments: LUCENE-8857-compile-fix.patch, LUCENE-8857.patch,
> LUCENE-8857.patch, LUCENE-8857.patch, LUCENE-8857.patch, LUCENE-8857.patch
>
> Time Spent: 4h 40m
> Remaining Estimate: 0h
>
> In LUCENE-8829, the idea of having lambdas passed in to the API to allow
> finer control over the process was discussed.
> This JIRA tracks adding a parameter to the API which allows passing in
> lambdas to define custom tie breakers, thus allowing users to do custom
> algorithms when required.
> CC: [~jpountz] [~simonw]
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