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From "Uwe Schindler (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (LUCENE-3448) Add FixedBitSet.and(other/DISI), andNot(other/DISI)
Date Mon, 21 Nov 2011 09:46:51 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-3448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Uwe Schindler updated LUCENE-3448:
----------------------------------

    Attachment: LUCENE-3448-fix-optimization.patch

This patch fixes the optimized OpenBitSetIterator and/or/andNot methods to correctly exhaust
the iterator after applying the underlying bits.
                
> Add FixedBitSet.and(other/DISI), andNot(other/DISI)
> ---------------------------------------------------
>
>                 Key: LUCENE-3448
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3448
>             Project: Lucene - Java
>          Issue Type: Sub-task
>          Components: core/other
>    Affects Versions: 3.4, 4.0
>            Reporter: Uwe Schindler
>            Assignee: Uwe Schindler
>             Fix For: 3.5, 4.0
>
>         Attachments: LUCENE-3448-fix-optimization.patch, LUCENE-3448.patch, LUCENE-3448.patch
>
>
> For the parent issue, and() and andNot() on DISIs and other FixedBitSets are missing.
This issue will add those methods.
> The DISI methods (also the already existing or(DISI)) method will check for OpenBitSetIterator
and do an inplace operation using the bits as optimization.

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