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

    Assignee:     (was: Vihang Karajgaonkar)

> 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
>            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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