[HIVE-22739] Schematool should check if upgradeFrom version is identical to current DB schema version

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 4.0.0
• Fix Version/s: 4.0.0-alpha-1
• Component/s: Standalone Metastore
• Assignee: Alice Fan
• Reporter: Alice Fan
• Created: 16/Jan/20 21:10
• Updated: 17/Nov/22 08:50
• Resolved: 28/Jan/20 07:26

Description

Schematool should check if upgradeFrom version is identical to current DB schema version.
https://github.com/apache/hive/blob/master/standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/tools/schematool/SchemaToolTaskUpgrade.java#L41

We should check if the user input fromVersion is identical to current DB version.