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https://issues.apache.org/jira/browse/HIVE-21595?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16813904#comment-16813904
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Vihang Karajgaonkar commented on HIVE-21595:
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Looks like HIVE-19820 also changes order of fields in
{{AlterPartitionsRequest}}
> 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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