Chaoyu Tang created HIVE-12270:
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Summary: Add DBTokenStore support to HS2 delegation token
Key: HIVE-12270
URL: https://issues.apache.org/jira/browse/HIVE-12270
Project: Hive
Issue Type: New Feature
Reporter: Chaoyu Tang
Assignee: Chaoyu Tang
DBTokenStore was initially introduced by HIVE-3255 in Hive-0.12 and it is
mainly for HMS delegation token. Later in Hive-0.13, the HS2 delegation token
support was introduced by HIVE-5155 but it used MemoryTokenStore as token
store. That the HIVE-9622 uses the shared RawStore (or HMSHandler) to access
the token/keys information in HMS DB directly from HS2 seems not the right
approach to support DBTokenStore in HS2. I think we should use
HiveMetaStoreClient in HS2 instead.
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