Alan Woodward created LUCENE-8941:
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Summary: 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
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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