zhangbutao commented on code in PR #6088:
URL: https://github.com/apache/hive/pull/6088#discussion_r2567056771
##########
ql/src/java/org/apache/hadoop/hive/ql/lockmgr/HiveTxnManagerImpl.java:
##########
@@ -162,7 +167,8 @@ public int lockDatabase(Hive hiveDB, LockDatabaseDesc
lockDb) throws HiveExcepti
String.valueOf(System.currentTimeMillis()),
"EXPLICIT", lockDb.getQueryStr(), conf);
- HiveLock lck = lockMgr.lock(new HiveLockObject(dbObj.getName(), lockData),
mode, true);
+ // Using the catalogName@databaseName format to uniquely identify a
database.
+ HiveLock lck = lockMgr.lock(new HiveLockObject(catName + "@"
+dbObj.getName(), lockData), mode, true);
Review Comment:
Upon further inspection here, it was found that HIVE-2093 introduced the
semantics for SHOW LOCKS DATABASE, specifically designed to retrieve the lock
objects for a particular database. Therefore, I still need to spend some time
confirming this.
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