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From "Viraj Bhat (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-4331) Integrated StorageHandler for Hive and HCat using the HiveStorageHandler
Date Sat, 07 Sep 2013 06:37:51 GMT

    [ https://issues.apache.org/jira/browse/HIVE-4331?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13760941#comment-13760941
] 

Viraj Bhat commented on HIVE-4331:
----------------------------------

Sushanth, it seems that: HIVE-5233 and HIVE-5236 were applied around a few hours back I created
the patch. So it might be possible the patch did not apply. So I will try applying these patches
on my trunk and try recreating again.
Viraj
                
> Integrated StorageHandler for Hive and HCat using the HiveStorageHandler
> ------------------------------------------------------------------------
>
>                 Key: HIVE-4331
>                 URL: https://issues.apache.org/jira/browse/HIVE-4331
>             Project: Hive
>          Issue Type: Task
>          Components: HBase Handler, HCatalog
>    Affects Versions: 0.12.0
>            Reporter: Ashutosh Chauhan
>            Assignee: Viraj Bhat
>             Fix For: 0.12.0
>
>         Attachments: HIVE4331_07-17.patch, hive4331hcatrebase.patch, HIVE-4331.patch,
StorageHandlerDesign_HIVE4331.pdf
>
>
> 1) Deprecate the HCatHBaseStorageHandler and "RevisionManager" from HCatalog. These will
now continue to function but internally they will use the "DefaultStorageHandler" from Hive.
They will be removed in future release of Hive.
> 2) Design a HivePassThroughFormat so that any new StorageHandler in Hive will bypass
the HiveOutputFormat. We will use this class in Hive's "HBaseStorageHandler" instead of the
"HiveHBaseTableOutputFormat".
> 3) Write new unit tests in the HCat's "storagehandler" so that systems such as Pig and
Map Reduce can use the Hive's "HBaseStorageHandler" instead of the "HCatHBaseStorageHandler".
> 4) Make sure all the old and new unit tests pass without backward compatibility (except
known issues as described in the Design Document).
> 5) Replace all instances of the HCat source code, which point to "HCatStorageHandler"
to use the"HiveStorageHandler" including the "FosterStorageHandler".
> I have attached the design document for the same and will attach a patch to this Jira.

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