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Posted to dev@hive.apache.org by "Vihang Karajgaonkar (JIRA)" <ji...@apache.org> on 2017/10/17 03:06:00 UTC
[jira] [Created] (HIVE-17824) msck repair table should drop the
missing partitions from metastore
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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