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From "Yonik Seeley (JIRA)" <j...@apache.org>
Subject [jira] Commented: (SOLR-2134) Trie* fields should support sortMissingLast=true, and deprecate Sortable* Field Types
Date Tue, 28 Sep 2010 16:42:32 GMT

    [ https://issues.apache.org/jira/browse/SOLR-2134?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12915827#action_12915827
] 

Yonik Seeley commented on SOLR-2134:
------------------------------------

bq. Hmmm is that going to be a perf hit (Double.compare) for the common case (no NaNs)? 

Agree.  We shouldn't need to suport NaNs  as a fieldcache value.  If we want that in the future,
it can be a different comparator.

> 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, SOLR-2134-SortMissingLast.patch,
SOLR-2134-SortMissingLast.patch, 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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