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https://issues.apache.org/jira/browse/HIVE-16189?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chaoyu Tang updated HIVE-16189:
-------------------------------
Attachment: HIVE-16189.patch
This patch changes the order of metadata update and data move in alter table
rename operation, which makes it easier to roll back metadata changes when
moving data fails in rename a table.
> Table column stats might be invalidated in a failed table rename
> ----------------------------------------------------------------
>
> Key: HIVE-16189
> URL: https://issues.apache.org/jira/browse/HIVE-16189
> Project: Hive
> Issue Type: Bug
> Reporter: Chaoyu Tang
> Assignee: Chaoyu Tang
> Attachments: HIVE-16189.patch
>
>
> If the table rename does not succeed due to its failure in moving the data to
> the new renamed table folder, the changes in TAB_COL_STATS are not rolled
> back which leads to invalid column stats.
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