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https://issues.apache.org/jira/browse/LUCENE-4690?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13561768#comment-13561768
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Robert Muir commented on LUCENE-4690:
-------------------------------------

Seems good to me to have non-hashing versions (these versions exist for 
unicodeutil for terms already for similar purposes)
                
> Optimize NumericUtils.*ToPrefixCoded(), add versions that don't hash
> --------------------------------------------------------------------
>
>                 Key: LUCENE-4690
>                 URL: https://issues.apache.org/jira/browse/LUCENE-4690
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Yonik Seeley
>            Priority: Minor
>         Attachments: LUCENE-4690.patch
>
>
> As far as I can tell nothing actually uses the hash codes generated by these 
> methods (not even any tests).  If someone did want to generate a hash, it 
> would be just as fast to do it on the BytesRef after the fact (or even faster 
> from the input number itself).
> edit: Uwe pointed out they were used in one place.  Other places still don't 
> need it.

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