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Posted to issues@hive.apache.org by "Vihang Karajgaonkar (JIRA)" <ji...@apache.org> on 2019/04/09 23:33:00 UTC

[jira] [Assigned] (HIVE-21595) HIVE-20556 breaks backwards compatibility

     [ https://issues.apache.org/jira/browse/HIVE-21595?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vihang Karajgaonkar reassigned HIVE-21595:
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> HIVE-20556 breaks backwards compatibility
> -----------------------------------------
>
>                 Key: HIVE-21595
>                 URL: https://issues.apache.org/jira/browse/HIVE-21595
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Vihang Karajgaonkar
>            Assignee: Vihang Karajgaonkar
>            Priority: Blocker
>
> HIVE-20556 exposes a new field Table definition. However, it changes the order of the field ids which breaks backwards wire-compatibility. Any older client which is connects with HMS will not be able to deserialize table objects correctly since the field ids are different on client and server side.



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