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From "Nick Dimiduk (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8089) Add type support
Date Thu, 11 Apr 2013 00:55:18 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8089?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13628518#comment-13628518
] 

Nick Dimiduk commented on HBASE-8089:
-------------------------------------

bq. Hive includes a standard serialization library that produces serializations that memcmp
into the natural sort order, which it uses for MapReduce key serialization.

I didn't know about this feature in Hive, I'll check it out. Thanks for the reference, [~owen.omalley].
The memcmp feature is critical for our needs; this is why most existing tools (ie, protobuf)
don't work in this context. Do these Hive formats support NULLs -- I'm curious how the trade-off
for fixed-width types was handled. How does it handle compound keys? It looks like I have
more homework to do :)
                
> Add type support
> ----------------
>
>                 Key: HBASE-8089
>                 URL: https://issues.apache.org/jira/browse/HBASE-8089
>             Project: HBase
>          Issue Type: New Feature
>          Components: Client
>            Reporter: Nick Dimiduk
>         Attachments: HBASE-8089-types.txt, HBASE-8089-types.txt, HBASE-8089-types.txt
>
>
> This proposal outlines an improvement to HBase that provides for a set of types, above
and beyond the existing "byte-bucket" strategy. This is intended to reduce user-level duplication
of effort, provide better support for 3rd-party integration, and provide an overall improved
experience for developers using HBase.

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