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https://issues.apache.org/jira/browse/LUCENE-6815?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15038553#comment-15038553
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Paul Elschot commented on LUCENE-6815:
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In case you are not adding SpanOr here, could you open a similar issue for that?
> 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
> Attachments: LUCENE-6815.patch, LUCENE-6815.patch
>
>
> 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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