Remove per-document multiply in FilteredQuery
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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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