Grokbase Groups Lucene dev March 2011
FAQ
[ https://issues.apache.org/jira/browse/LUCENE-2649?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ryan McKinley resolved LUCENE-2649.
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Resolution: Fixed

This has been done for a while... any problems should now get their own issue
FieldCache should include a BitSet for matching docs
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Key: LUCENE-2649
URL: https://issues.apache.org/jira/browse/LUCENE-2649
Project: Lucene - Java
Issue Type: Improvement
Components: Search
Reporter: Ryan McKinley
Assignee: Ryan McKinley
Fix For: 4.0

Attachments: LUCENE-2649-FieldCacheWithBitSet.patch, LUCENE-2649-FieldCacheWithBitSet.patch, LUCENE-2649-FieldCacheWithBitSet.patch, LUCENE-2649-FieldCacheWithBitSet.patch, LUCENE-2649-FieldCacheWithBitSet.patch, LUCENE-2649-FieldCacheWithBitSet.patch


The FieldCache returns an array representing the values for each doc. However there is no way to know if the doc actually has a value.
This should be changed to return an object representing the values *and* a BitSet for all valid docs.
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