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From "Eugene Koifman (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-4896) create binary backwards compatibility layer hcatalog 0.12 and 0.11
Date Wed, 04 Sep 2013 22:22:52 GMT

    [ https://issues.apache.org/jira/browse/HIVE-4896?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13758432#comment-13758432
] 

Eugene Koifman commented on HIVE-4896:
--------------------------------------

HIVE-4896.v011.patch - contains 0.11 version of the main/test sources from http://apache.mirrors.pair.com/hive/hive-0.11.0/hive-0.11.0.tar.gz.

HIVE-4896.changes.patch - contains adjustments that had to be made.  For example since shim
layer was refactored in 0.12, the 0.11 classes are modified to use the new shim layer.

It's best if these changes are checked into SVN the same way, as 2 checkins.  It will preserve
history in a way that is more useful. 
                
> create binary backwards compatibility layer hcatalog 0.12 and 0.11
> ------------------------------------------------------------------
>
>                 Key: HIVE-4896
>                 URL: https://issues.apache.org/jira/browse/HIVE-4896
>             Project: Hive
>          Issue Type: Sub-task
>          Components: HCatalog
>    Affects Versions: 0.12.0
>            Reporter: Eugene Koifman
>            Assignee: Eugene Koifman
>             Fix For: 0.12.0
>
>         Attachments: HIVE-4896.changes.patch, HIVE-4896.patch, HIVE-4896.v011.patch
>
>   Original Estimate: 72h
>  Remaining Estimate: 72h
>
> 1. create a 011 dir in each HCat submodule to hold these classes
> 2. update build to place these classes into jars
> 3. figure out how to test this
> The goal is for users who were using public API (e.g. HCatLoader) in their programs to
be able to upgrade to hive 0.12 and have their programs still work without change.
> The compatibility layer will have a sunset clause to be removed in 2 releases.

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