Haoyu Zhai created LUCENE-9618:
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Summary: Improve IntervalIterator.nextInterval's
behavior/documentation/test
Key: LUCENE-9618
URL: https://issues.apache.org/jira/browse/LUCENE-9618
Project: Lucene - Core
Issue Type: Improvement
Components: modules/query
Reporter: Haoyu Zhai
I'm trying to play around with my own {{IntervalSource}} and found out that
{{nextInterval}} method of IntervalIterator will be called sometimes even after
{{nextDoc}}/ {{docID}}/ {{advance}} method returns NO_MORE_DOCS.
After I dug a bit more I found that {{FilteringIntervalIterator.reset}} is
calling an inner iterator's {{nextInterval}} regardless of what the result of
{{nextDoc}}, and also most (if not all) existing {{IntervalIterator}}'s
implementation do considered the case where {{nextInterval}} is called after
{{nextDoc}} returns NO_MORE_DOCS.
We should probably update the javadoc and test if the behavior is necessary. Or
we should change the current implementation to avoid this behavior
original email discussion thread:
https://markmail.org/message/7itbwk6ts3bo3gdh
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