Alan Woodward created LUCENE-9349:
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Summary: Avoid parsing all terms in TermInSetQuery.visit()
Key: LUCENE-9349
URL: https://issues.apache.org/jira/browse/LUCENE-9349
Project: Lucene - Core
Issue Type: Improvement
Reporter: Alan Woodward
Assignee: Alan Woodward
TermInSetQuery currently iterates through all its prefix-encoded terms in order
to build an array to pass back to its visitor when visit() is called. This
seems like a waste, particularly when the visitor is not actually consuming the
terms (for example, when doing a clause-count check before executing a search).
Instead TermInSetQuery should use consumeTermsMatching(), and we should change
the signature of this method so that it takes a BytesRunAutomaton supplier to
allow for lazy instantiation.
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