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From "Ashutosh Chauhan (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HIVE-6951) Hive 0.13 HiveOutputFormat breaks backwards compatibility
Date Tue, 22 Apr 2014 18:02:15 GMT

     [ https://issues.apache.org/jira/browse/HIVE-6951?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ashutosh Chauhan resolved HIVE-6951.
------------------------------------

    Resolution: Fixed

Dupe of HIVE-6952

> Hive 0.13 HiveOutputFormat breaks backwards compatibility
> ---------------------------------------------------------
>
>                 Key: HIVE-6951
>                 URL: https://issues.apache.org/jira/browse/HIVE-6951
>             Project: Hive
>          Issue Type: Bug
>          Components: File Formats, Serializers/Deserializers
>    Affects Versions: 0.13.0
>            Reporter: Costin Leau
>            Priority: Blocker
>
> Hive 0.13 changed the signature of HiveOutputFormat (through commit r1527149) breaking
backwards compatibility with previous releases; the return type of getHiveRecordWriter has
been changed from RecordWriter to FSRecordWriter.
> FSRecordWriter introduces one new method on top of RecordWriter however it does not extend
the previous interface and it lives in a completely new package.
> Thus code running fine on Hive 0.12 breaks on Hive 0.13. After the upgrade, code running
on HIve 0.13, will break on anything lower than this.
> This could have easily been avoided by extending the existing interface or introducing
a new one that RecordWriter could have extended going forward. By changing the signature,
the existing contract (and compatibility) has been voided.



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