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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