Soumyakanti Das created HIVE-29517:
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Summary: Make schema upgrade scripts idempotent and rerunnable
Key: HIVE-29517
URL: https://issues.apache.org/jira/browse/HIVE-29517
Project: Hive
Issue Type: Improvement
Components: Standalone Metastore
Affects Versions: 4.3.0
Reporter: Soumyakanti Das
Assignee: Soumyakanti Das
Schema upgrade scripts run by MetastoreSchemaTool can fail partway through due
to errors or infrastructure issues. Re-running the script would then fail
immediately on already-applied DDL statements (e.g. CREATE TABLE on an existing
table, DROP COLUMN on an already-dropped column), forcing manual intervention
to clean up.
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