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https://issues.apache.org/jira/browse/HIVE-27994?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated HIVE-27994:
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Labels: pull-request-available (was: )
> Optimize renaming the partitioned table
> ---------------------------------------
>
> Key: HIVE-27994
> URL: https://issues.apache.org/jira/browse/HIVE-27994
> Project: Hive
> Issue Type: Improvement
> Reporter: Zhihua Deng
> Assignee: Zhihua Deng
> Priority: Major
> Labels: pull-request-available
>
> In case of table rename, every row in PART_COL_STATS associated with the
> table should be fetched, stored in memory, delete & re-insert with new
> db/table name, this could take hours if the table has thousands of column
> statistics in PART_COL_STATS.
>
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