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Posted to dev@lucene.apache.org by "Uwe Schindler (JIRA)" <ji...@apache.org> on 2011/09/25 13:19:26 UTC
[jira] [Created] (LUCENE-3459) Change ChainedFilter to use
FixedBitSet
Change ChainedFilter to use FixedBitSet
---------------------------------------
Key: LUCENE-3459
URL: https://issues.apache.org/jira/browse/LUCENE-3459
Project: Lucene - Java
Issue Type: Task
Reporter: Uwe Schindler
ChainedFilter also uses OpenBitSet(DISI) at the moment. It should also be changed to use FixedBitSet. There are two issues:
- It exposes sometimes OpenBitSetDISI to it's public API - we should remove those methods like in BooleanFilter and break backwards
- It allows a XOR operation. This is not yet supported by FixedBitSet, but it's easy to add (like for BooleanFilter). On the other hand, this XOR operation is bogus, as it may mark documents in the BitSet that are deleted, breaking new features like applying Filters down-low (LUCENE-1536). We should remove the XOR operation maybe or force it to use IR.validDocs() (trunk) or IR.isDeleted()
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[jira] [Updated] (LUCENE-3459) Change ChainedFilter to use
FixedBitSet
Posted by "Uwe Schindler (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/LUCENE-3459?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Uwe Schindler updated LUCENE-3459:
----------------------------------
Component/s: modules/other
Affects Version/s: 4.0
3.4
Fix Version/s: 4.0
Assignee: Uwe Schindler
> Change ChainedFilter to use FixedBitSet
> ---------------------------------------
>
> Key: LUCENE-3459
> URL: https://issues.apache.org/jira/browse/LUCENE-3459
> Project: Lucene - Java
> Issue Type: Task
> Components: modules/other
> Affects Versions: 3.4, 4.0
> Reporter: Uwe Schindler
> Assignee: Uwe Schindler
> Fix For: 4.0
>
>
> ChainedFilter also uses OpenBitSet(DISI) at the moment. It should also be changed to use FixedBitSet. There are two issues:
> - It exposes sometimes OpenBitSetDISI to it's public API - we should remove those methods like in BooleanFilter and break backwards
> - It allows a XOR operation. This is not yet supported by FixedBitSet, but it's easy to add (like for BooleanFilter). On the other hand, this XOR operation is bogus, as it may mark documents in the BitSet that are deleted, breaking new features like applying Filters down-low (LUCENE-1536). We should remove the XOR operation maybe or force it to use IR.validDocs() (trunk) or IR.isDeleted()
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