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https://issues.apache.org/jira/browse/JCR-3091?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13121007#comment-13121007
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Julian Reschke commented on JCR-3091:
-------------------------------------
Maybe it would make sense to try to reduce all this code duplication; but
that's it from my side :-)
> Lucene Scorer implementations should handle the 'advance' to NO_MORE_DOCS
> optimisation better
> ---------------------------------------------------------------------------------------------
>
> Key: JCR-3091
> URL: https://issues.apache.org/jira/browse/JCR-3091
> Project: Jackrabbit Content Repository
> Issue Type: Improvement
> Components: jackrabbit-core
> Reporter: Alex Parvulescu
> Assignee: Alex Parvulescu
> Attachments: JCR-3091.patch
>
>
> This is from the lucene Scorer (actually DocIdSetIterator) api:
> "NOTE: this method may be called with NO_MORE_DOCS for efficiency by some
> Scorers. If your implementation cannot efficiently determine that it should
> exhaust, it is recommended that you check for that value in each call to this
> method."
> None of the scorer implementations does that currently. Except for
> ChildAxisScorer thanks to JCR-3082.
> This is a worthwhile effort, which can save us from bugs (JCR-3082) but also
> leverage some performance optimisation hints from the lucene api.
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