Zhihua Deng created HIVE-29701:
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Summary: Fix leaking JDO queries in ObjectStore.unwrap()
Key: HIVE-29701
URL: https://issues.apache.org/jira/browse/HIVE-29701
Project: Hive
Issue Type: Sub-task
Reporter: Zhihua Deng
Assignee: Zhihua Deng
After extracting sub-stores from ObjectStore (HIVE-29672), unwrap() returns a
JDK proxy (TransactionHandler) around a sub-store implementation (TableStore,
ColStatsStore, etc.). A bug was found where JDO Query objects opened via
pm.newQuery() were not reliably closed after each method call, this is due to a
cached sub-store could have its {{pm}} overwritten while an older proxy still
tracked queries in a different list.
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