Chris M. Hostetter created SOLR-17940:
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Summary: DelegatingCollector needs to filter Scorable depending on
scoreMode
Key: SOLR-17940
URL: https://issues.apache.org/jira/browse/SOLR-17940
Project: Solr
Issue Type: Sub-task
Reporter: Chris M. Hostetter
Assignee: Chris M. Hostetter
SOLR-17917 uncovered a test failure when trying to upgrade to Lucene 10.3,
which [was caused by a change in behavior
|https://github.com/apache/lucene/issues/15239]in lucene that is the result of
an optimization in scoring {{TermQuery}} instances.
The problem manifests in Solr because of how {{DelegatingCollector}}
(subclasses) can change the {{scoreMode}} in a way which might be inconsistent
with if/how the delegate Collector may use {{Scorable.setMinCompetitive}}.
While it remains to be seen if the change in behavior in Lucene 10.3 is
_intentional_ or not, and/or if the docs for the {{ScoreMode}} are inaccurate,
practically speaking {{DelegatingCollector}} can be updated to be explicit
about what should happen in these situations.
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