[jira] [Created] (SOLR-10320) Perform secondary sort using both values in and outside Solr index

["Yuchuan Zhou (JIRA)" <ji...@apache.org>]

Yuchuan Zhou created SOLR-10320:
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             Summary: 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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