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From "David Smiley (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (LUCENE-5495) Boolean Filter does not handle FilterClauses with only bits() implemented
Date Mon, 01 Feb 2016 03:24:39 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-5495?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

David Smiley closed LUCENE-5495.
--------------------------------
    Resolution: Invalid

Closing since Filters are going away and we have TwoPhaseIterator for some of the concepts
discussed.

> Boolean Filter does not handle FilterClauses with only bits() implemented
> -------------------------------------------------------------------------
>
>                 Key: LUCENE-5495
>                 URL: https://issues.apache.org/jira/browse/LUCENE-5495
>             Project: Lucene - Core
>          Issue Type: Bug
>          Components: core/search
>    Affects Versions: 4.6.1
>            Reporter: John Wang
>         Attachments: LUCENE-5495.patch, LUCENE-5495.patch
>
>
> Some Filter implementations produce DocIdSets without the iterator() implementation,
such as o.a.l.facet.range.Range.getFilter().
> Currently, such filters cannot be added to a BooleanFilter because BooleanFilter expects
all FilterClauses with Filters that have iterator() implemented.
> This patch improves the behavior by taking Filters with bits() implemented and treat
them separately.
> This behavior would be faster in the case for Filters with a forward index as the underlying
data structure, where there would be no need to scan the index to build an iterator.
> See attached unit test, which fails without this patch.



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