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https://issues.apache.org/jira/browse/LUCENE-3443?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael McCandless resolved LUCENE-3443.
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Resolution: Fixed
> Port 3.x FieldCache.getDocsWithField() to trunk
> -----------------------------------------------
>
> Key: LUCENE-3443
> URL: https://issues.apache.org/jira/browse/LUCENE-3443
> Project: Lucene - Java
> Issue Type: Improvement
> Components: core/search
> Reporter: Michael McCandless
> Assignee: Michael McCandless
> Fix For: 3.5, 4.0
>
> Attachments: LUCENE-3443.patch, LUCENE-3443.patch, LUCENE-3443.patch
>
>
> [Spinoff from LUCENE-3390]
> I think the approach in 3.x for handling un-valued docs, and making it
> possible to specify how such docs are sorted, is better than the
> solution we have in trunk.
> I like that FC has a dedicated method to get the Bits for docs with field
> -- easy for apps to directly use. And I like that the
> bits have their own entry in the FC.
> One downside is that it's 2 passes to get values and valid bits, but
> I think we can fix this by passing optional bool to FC.getXXX methods
> indicating you want the bits, and the populate the FC entry for the
> missing bits as well. (We can do that for 3.x and trunk). Then it's
> single pass.
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