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From "Mark Miller (JIRA)" <j...@apache.org>
Subject [jira] Created: (LUCENE-1911) When using QueryWrapperFilter with CachingWrapperFilter, QueryWrapperFilter returns a Scorer which gets cached rather than a bit set
Date Wed, 16 Sep 2009 17:41:58 GMT
When using QueryWrapperFilter with CachingWrapperFilter, QueryWrapperFilter returns a Scorer
which gets cached rather than a bit set
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                 Key: LUCENE-1911
                 URL: https://issues.apache.org/jira/browse/LUCENE-1911
             Project: Lucene - Java
          Issue Type: Bug
            Reporter: Mark Miller
             Fix For: 2.9


there is a large performance cost to this.

The old impl for this type of thing, QueryFilter, recommends :

@deprecated use a CachingWrapperFilter with QueryWrapperFilter

see http://search.lucidimagination.com/search/document/7f54715f14b8b7a/lucene_2_9_0rc4_slower_than_2_4_1

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