deniskuzZ commented on a change in pull request #1724:
URL: https://github.com/apache/hive/pull/1724#discussion_r553304345
##########
File path: ql/src/java/org/apache/hadoop/hive/ql/exec/MoveTask.java
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@@ -774,6 +780,100 @@ private void checkFileFormats(Hive db, LoadTableDesc tbd,
Table table)
}
}
+ class LocalTableLock implements Closeable{
+
+ private Optional<HiveLockObject> lock;
+ private HiveLock lockObj;
+
+ public LocalTableLock(Optional<HiveLockObject> lock) throws LockException {
+
+ this.lock = lock;
+ if(!lock.isPresent()) {
+ return;
+ }
+ LOG.info("LocalTableLock; locking: " + lock);
+ HiveLockManager lockMgr = context.getHiveTxnManager().getLockManager();
+ lockObj = lockMgr.lock(lock.get(), HiveLockMode.SEMI_SHARED, true);
+ LOG.info("LocalTableLock; locked: " + lock);
+ }
+
+ @Override
+ public void close() throws IOException {
+ if(!lock.isPresent()) {
+ return;
+ }
+ LOG.info("LocalTableLock; unlocking: "+lock);
+ HiveLockManager lockMgr;
+ try {
+ lockMgr = context.getHiveTxnManager().getLockManager();
+ lockMgr.unlock(lockObj);
+ } catch (LockException e1) {
+ throw new IOException(e1);
+ }
+ LOG.info("LocalTableLock; unlocked");
Review comment:
'+' `lock` for correlation
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