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https://issues.apache.org/jira/browse/LUCENE-1507?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Uwe Schindler updated LUCENE-1507:
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Attachment: LUCENE-1507.patch
How about that patch? It just a static final for usage like this in filters:
{code}
if (shortcut condition) return DocIdSet.EMPTY_DOCIDSET
{code}
> adding EmptyDocIdSet/Iterator
> -----------------------------
>
> Key: LUCENE-1507
> URL: https://issues.apache.org/jira/browse/LUCENE-1507
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Search
> Affects Versions: 2.4
> Reporter: John Wang
> Attachments: emptydocidset.txt, LUCENE-1507.patch
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> Adding convenience classes for EmptyDocIdSet and EmptyDocIdSetIterator
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