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https://issues.apache.org/jira/browse/LUCENE-10663?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Julie Tibshirani resolved LUCENE-10663.
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Fix Version/s: 9.4
Resolution: Fixed
> KnnVectorQuery explain incorrect when multiple segments
> -------------------------------------------------------
>
> Key: LUCENE-10663
> URL: https://issues.apache.org/jira/browse/LUCENE-10663
> Project: Lucene - Core
> Issue Type: Bug
> Components: core/search
> Affects Versions: 9.0, 9.1, 9.2
> Reporter: Shiming Li
> Priority: Major
> Fix For: 9.4
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> If there are multiple segments. KnnVectorQuery explain has a bug in locating
> docid.
> This is because the docid in explain, which is the docBase without the
> segment.
> In KnnVectorQuery.DocAndScoreQuery docs docid is increased in each segment of
> the docBase.
> The two docid are not in the same dimension.
> So, in the 'DocAndScoreQuery.explain', needs to be added with the segment's
> docBase.
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