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https://issues.apache.org/jira/browse/LUCENE-8941?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alan Woodward updated LUCENE-8941:
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Attachment: LUCENE-8941.patch
> Build wildcard matches more lazily
> ----------------------------------
>
> Key: LUCENE-8941
> URL: https://issues.apache.org/jira/browse/LUCENE-8941
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Alan Woodward
> Assignee: Alan Woodward
> Priority: Major
> Attachments: LUCENE-8941.patch
>
>
> When retrieving a Matches object from a multi-term query, such as an
> AutomatonQuery or TermInSetQuery, we currently find all matching term
> iterators up-front, to return a disjunction over all of them. This can be
> inefficient if we're only interested in finding out if anything matched, and
> are iterating over a different field to retrieve offsets.
> We can improve this by returning immediately when the first matching term is
> found, and only collecting other matching terms when we start iterating.
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