Aihua Xu created HIVE-10972:
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Summary: DummyTxnManager always locks the current database in
shared mode, which is incorrect.
Key: HIVE-10972
URL: https://issues.apache.org/jira/browse/HIVE-10972
Project: Hive
Issue Type: Bug
Components: Locking
Affects Versions: 2.0.0
Reporter: Aihua Xu
Assignee: Aihua Xu
In DummyTxnManager [line 163 |
http://grepcode.com/file/repo1.maven.org/maven2/co.cask.cdap/hive-exec/0.13.0/org/apache/hadoop/hive/ql/lockmgr/DummyTxnManager.java#163],
it always locks the current database.
That is not correct since the current database can be "db1", and the query can
be "select * from db2.tb1", which will lock db1 unnessary.
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