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https://issues.apache.org/jira/browse/SOLR-10320?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15949554#comment-15949554
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ASF GitHub Bot commented on SOLR-10320:
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Github user bkinlaw closed the pull request at:
https://github.com/apache/lucene-solr/pull/178
> Perform secondary sort using both values in and outside Solr index
> ------------------------------------------------------------------
>
> Key: SOLR-10320
> URL: https://issues.apache.org/jira/browse/SOLR-10320
> Project: Solr
> Issue Type: New Feature
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Yuchuan Zhou
>
> There are some situations that we need to sort results based on values
> outside of Solr (say, from a separate datastore or a data analytics service
> that ranks entities based on analytic results). There is also the need to
> return results in a deterministic order but applying a dynamic chain of
> sorting and/or ranking algorithms to the result set. This chain would be
> processed as a secondary sort implementation, where ties returned from one
> sorting/ranking algorithm are passed to the next sorting/ranking algorithm in
> the chain until all ties are resolved, resulting in a deterministic result
> order. This chain should have the ability to apply sorting algorithms that
> use data found within the solr index as well as outside of the index.
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