deniskuzZ commented on code in PR #3307:
URL: https://github.com/apache/hive/pull/3307#discussion_r879096827
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standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/txn/TxnHandler.java:
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@@ -5283,6 +5284,39 @@ is performed on that db (e.g. show tables, created
table, etc).
return response;
}
}
+
+ if (isValidTxn(txnId)) {
+ LockType lockType = LockTypeUtil.getLockTypeFromEncoding(lockChar)
+ .orElseThrow(() -> new MetaException("Unknown lock type: " +
lockChar));
+
+ if (lockType == LockType.EXCL_WRITE && blockedBy.state ==
LockState.ACQUIRED) {
Review Comment:
I don't think we should give up if there is already CTAS on the same table.
What happens if the 1st CTAS aborts?
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