Adrien Grand created LUCENE-6815:
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Summary: Should DisjunctionScorer advance more lazily?
Key: LUCENE-6815
URL: https://issues.apache.org/jira/browse/LUCENE-6815
Project: Lucene - Core
Issue Type: Improvement
Reporter: Adrien Grand
Assignee: Adrien Grand
Priority: Minor
Today if you call DisjunctionScorer.advance(X), it will try to advance all sub
scorers to X. However, if DisjunctionScorer is being intersected with another
scorer (which is almost always the case as we use BooleanScorer for top-level
disjunctions), we could stop as soon as we find one matching sub scorer, and
only advance the remaining sub scorers when freq() or score() is called.
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