Adrien Grand created LUCENE-10608:
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Summary: Implement Weight#count for pure conjunctions
Key: LUCENE-10608
URL: https://issues.apache.org/jira/browse/LUCENE-10608
Project: Lucene - Core
Issue Type: New Feature
Reporter: Adrien Grand
It's common for Elasticsearch to ingest time-based data where newer segments
contain recent data and older segments contain older data. On such indices,
it's common for range queries on the time field to match either all of or none
of the documents in the segment.
We could implement Weight#count on pure conjunctions to take advantage of this
by either returning 0 if any of the clauses has a match count of 0, or the
count of the only clause that doesn't have a match count that is equal to
maxDoc.
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