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From "Ryan McKinley (JIRA)" <j...@apache.org>
Subject [jira] Updated: (SOLR-2134) Trie* fields should support sortMissingLast=true, and deprecate Sortable* Field Types
Date Sun, 26 Sep 2010 07:36:33 GMT

     [ https://issues.apache.org/jira/browse/SOLR-2134?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ryan McKinley updated SOLR-2134:
--------------------------------

    Attachment: SOLR-2134-SortMissingLast.patch

This patch adds 'missingValue' to the lucene SortField and then passes that on to the FieldComparator.
 Setting the 'missingValue' to MIN_VALUE or MAX_VALUE lets you either sort the missing fields
first or last.

Since the majority of the work is actually in lucene, it may make more sense to have this
as a LUCENE issue.

The solr side still needs some tests, but wanted to get this out for folks to see.

> Trie* fields should support sortMissingLast=true, and deprecate Sortable* Field Types
> -------------------------------------------------------------------------------------
>
>                 Key: SOLR-2134
>                 URL: https://issues.apache.org/jira/browse/SOLR-2134
>             Project: Solr
>          Issue Type: Improvement
>          Components: Schema and Analysis
>            Reporter: Ryan McKinley
>         Attachments: SOLR-2134-SortMissingLast.patch
>
>
> With the changes in LUCENE-2649, the FieldCache also returns if the bit is valid or not.
 This is enough to support sortMissingLast=true with Trie* fields.  Then we can get rid of
the Sortable* fields

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