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https://issues.apache.org/jira/browse/HIVE-28170?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18100519#comment-18100519
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Soumyakanti Das commented on HIVE-28170:
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HIVE-27964 suggests lots of features but currently we only support dropping all
column stats from the table using
{noformat}
ALTER TABLE <table name> DROP STATISTICS FOR COLUMNS;{noformat}
I don't think we have plans to implement other suggestions in HIVE-27964 at
this moment.
> Implement drop stats
> --------------------
>
> Key: HIVE-28170
> URL: https://issues.apache.org/jira/browse/HIVE-28170
> Project: Hive
> Issue Type: Task
> Reporter: Ramesh Kumar Thangarajan
> Assignee: Ramesh Kumar Thangarajan
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.3.0
>
>
> We need a way to drop the stats associated with the table/partition and its
> columns. This can help a lot in migration or replication where the stats data
> take huge time to copy. Particularly when the table is partitioned, we have
> stats rows for each table, partition, column combination, which can get huge
> when the number of partitions is huge.
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