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  1. Lucene - Core
  2. LUCENE-6850

BooleanWeight should not use BS1 when there is a single non-null clause

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Details

    • Improvement
    • Status: Closed
    • Minor
    • Resolution: Fixed
    • None
    • 5.4, 6.0
    • None
    • None
    • New

    Description

      When a disjunction has a single non-null scorer, we still use BS1 for bulk-scoring, which first collects matches into a bit set and then calls the collector. This is inefficient: we should just call the inner bulk scorer directly and wrap the scorer to apply the coord factor (like BooleanTopLevelScorers.BoostedScorer does).

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            jpountz Adrien Grand
            jpountz Adrien Grand
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