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https://issues.apache.org/jira/browse/HIVE-16189?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15929059#comment-15929059
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Chaoyu Tang commented on HIVE-16189:
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Currently the partition column stats are dropped no matter its table rename
succeeds or fails (see HIVE-16147). I am going to address that issue, together
with some other issues particularly related to the partition table stats, in
HIVE-16147. Will that makes sense? Thanks.
> 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-16189.1.patch, HIVE-16189.2.patch, 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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