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From "Uwe Schindler (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (LUCENE-3823) Add a field-filtering FilterAtomicReader to 4.0 so ParallelReaders can be better tested (in LTC.maybeWrapReader)
Date Sun, 26 Feb 2012 17:48:48 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-3823?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Uwe Schindler updated LUCENE-3823:
----------------------------------

    Attachment: LUCENE-3823.patch

Patch. Tests mostly pass, there is still some insane FieldCache in some tests (thats unrelated
to this change, but can be made appearing more often by remving rarely() from  the maybeWrapReader
method. Mostly affected is insane field cache in TestExplanations and QueryUtils that check
explanations.

The attached patch simply implement the vertical index splitter in test-framework. If there
is interest in this FilterAtomicReader, we can move it e.g. to core.
                
> Add a field-filtering FilterAtomicReader to 4.0 so ParallelReaders can be better tested
(in LTC.maybeWrapReader)
> ----------------------------------------------------------------------------------------------------------------
>
>                 Key: LUCENE-3823
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3823
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: core/index, general/test
>    Affects Versions: 4.0
>            Reporter: Uwe Schindler
>            Assignee: Uwe Schindler
>             Fix For: 4.0
>
>         Attachments: LUCENE-3823.patch
>
>
> In addition to the filters in contrib/misc for horizontally filtering (by doc-id) AtomicReader,
it would be good to have the same vertically (by field). For now I will add this implementation
to test-framework, as it cannot stay in contrib/misc, because LTC will need it for maybeWrapReader.
> LTC will use this FilterAtomicReader to construct a ParallelAtomicReader out of two (or
maybe more) FieldFilterAtomicReaders.

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