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From "Yonik Seeley (JIRA)" <>
Subject [jira] Updated: (LUCENE-2671) Add sort missing first/last ability to SortField and ValueComparator
Date Wed, 08 Dec 2010 17:44:01 GMT


Yonik Seeley updated LUCENE-2671:

    Attachment: LUCENE-2671.patch

OK, here's a patch that caches the typed array as "docValues"
and moves the ShortComparator next to the other numeric comparators (since it wasn't next
to the others, I actually missed it in my first patch).

> Add sort missing first/last ability to SortField and ValueComparator
> --------------------------------------------------------------------
>                 Key: LUCENE-2671
>                 URL:
>             Project: Lucene - Java
>          Issue Type: New Feature
>          Components: Search
>            Reporter: Ryan McKinley
>            Assignee: Ryan McKinley
>             Fix For: 4.0
>         Attachments: LUCENE-2671-caches.patch, LUCENE-2671-caches.patch, LUCENE-2671-SortMissingLast.patch,
LUCENE-2671-suppress-unchecked.patch, LUCENE-2671.patch
> When SortField and ValueComparator use EntryCreators (from LUCENE-2649) they use a special
sort value when the field is missing.
> This enables lucene to implement 'sort missing last' or 'sort missing first' for numeric
values from the FieldCache.

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