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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