Adrien Grand created LUCENE-6944:
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Summary: BooleanWeight.bulkScorer should not build any sub bulk
scorer if there are required/prohibited clauses
Key: LUCENE-6944
URL: https://issues.apache.org/jira/browse/LUCENE-6944
Project: Lucene - Core
Issue Type: Improvement
Reporter: Adrien Grand
Assignee: Adrien Grand
Priority: Minor
BooleanWeight.bulkScorer creates a sub bulk scorer for all clauses until it
meets a clause that is not optional (the only kind of clause it can deal with).
However the Weight.bulkScorer method is sometimes costly, so
BooleanWeight.bulkScorer should first inspect all clauses to see if any of them
is not optional to avoid creating costly bulk scorers to only trash them later.
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