Zhihua Deng created HIVE-27994:
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Summary: 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
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 have thousands of column statistics in
PART_COL_STATS.
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