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https://issues.apache.org/jira/browse/LUCENE-3494?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Muir updated LUCENE-3494:
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Attachment: LUCENE-3494.patch
> Remove per-document multiply in FilteredQuery
> ---------------------------------------------
>
> Key: LUCENE-3494
> URL: https://issues.apache.org/jira/browse/LUCENE-3494
> Project: Lucene - Java
> Issue Type: Improvement
> Reporter: Robert Muir
> Fix For: 3.5, 4.0
>
> Attachments: LUCENE-3494.patch
>
>
> Spinoff of LUCENE-1536.
> In LUCENE-1536, Uwe suggested using FilteredQuery under-the-hood to implement
> filtered search.
> But this query is inefficient, it does a per-document multiplication
> (wrapped.score() * boost()).
> Instead, it should just pass the boost down in its weight, like BooleanQuery
> does to avoid this per-document multiply.
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