Vihang Karajgaonkar created HIVE-17824:
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Summary: msck repair table should drop the missing partitions from
metastore
Key: HIVE-17824
URL: https://issues.apache.org/jira/browse/HIVE-17824
Project: Hive
Issue Type: Improvement
Reporter: Vihang Karajgaonkar
Assignee: Vihang Karajgaonkar
{{msck repair table <tablename>}} is often used in environments where the new
partitions are loaded as directories on HDFS or S3 and users want to create the
missing partitions in bulk. However, currently it only supports addition of
missing partitions. If there are any partitions which are present in metastore
but not on the FileSystem, it should also delete them so that it truly repairs
the table metadata.
We should be careful not to break backwards compatibility so we should either
introduce a new config or keyword to add support to delete unnecessary
partitions from the metastore. This way users who want the old behavior can
easily turn it off.
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