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https://issues.apache.org/jira/browse/HIVE-4044?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13588887#comment-13588887
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Samuel Yuan commented on HIVE-4044:
-----------------------------------

You're right, the idea is that it will enable better encoding of URLs. Kevin 
found that breaking up the URL into its components and storing them as separate 
columns results in significant space savings. The original plan was to 
implement this idea with RCFile, but with the new ORC file format I decided to 
wait for that instead, and to submit this part separately.

However, it looks like the improvements of the ORC file have erased any gains 
we would have gotten by breaking up URLs into the individual components, so 
this won't be needed any more.
                
> Add URL type
> ------------
>
>                 Key: HIVE-4044
>                 URL: https://issues.apache.org/jira/browse/HIVE-4044
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Samuel Yuan
>            Assignee: Samuel Yuan
>         Attachments: HIVE-4044.HIVE-4044.HIVE-4044.D8799.1.patch
>
>
> Having a separate type for URLs would enable improvements in storage 
> efficiency based on breaking up a URL into its components. The new type will 
> be named "URL" and made a non-reserved keyword (see HIVE-701).

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