Adrien Grand created LUCENE-6754:
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Summary: Optimize IndexSearcher.count for simple queries
Key: LUCENE-6754
URL: https://issues.apache.org/jira/browse/LUCENE-6754
Project: Lucene - Core
Issue Type: Improvement
Reporter: Adrien Grand
Assignee: Adrien Grand
Priority: Minor
IndexSearcher.count currently always create a collector to compute the number
of hits, but it could optimize some queries like MatchAllDocsQuery or TermQuery.
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