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From "ASF GitHub Bot (Jira)" <>
Subject [jira] [Work logged] (HIVE-4331) Integrated StorageHandler for Hive and HCat using the HiveStorageHandler
Date Thu, 04 Jun 2020 21:38:00 GMT


ASF GitHub Bot logged work on HIVE-4331:

                Author: ASF GitHub Bot
            Created on: 04/Jun/20 21:37
            Start Date: 04/Jun/20 21:37
    Worklog Time Spent: 10m 
      Work Description: belugabehr closed pull request #8:


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Issue Time Tracking

            Worklog Id:     (was: 441542)
    Remaining Estimate: 0h
            Time Spent: 10m

> Integrated StorageHandler for Hive and HCat using the HiveStorageHandler
> ------------------------------------------------------------------------
>                 Key: HIVE-4331
>                 URL:
>             Project: Hive
>          Issue Type: Task
>          Components: HBase Handler, HCatalog
>    Affects Versions: 0.12.0
>            Reporter: Ashutosh Chauhan
>            Assignee: Viraj Bhat
>            Priority: Major
>             Fix For: 0.12.0
>         Attachments: HIVE-4331.1.patch, HIVE-4331.2.patch, HIVE-4331.patch, HIVE4331_07-17.patch,
StorageHandlerDesign_HIVE4331.pdf, hive4331hcatrebase.patch
>          Time Spent: 10m
>  Remaining Estimate: 0h
> 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
> 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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