> Running Hive 2.2 w/ LLAP enabled (tried the same thing in Hive 2.3 w/ LLAP), 
> queries working but when we submit queries like the following (via our 
> automated test framework), they just seem to hang with Parsing 
> Command....Other queries seem to work fine.... Any idea on what's going on or 
> how to debug?  I have debug log set and all we're seeing in the HiveServer2 
> logs are: 

Get a jstack - like 20 jstacks 1s apart.

I think this be similar to the parenthesis parsing bug fixed in 2.3.0.

https://issues.apache.org/jira/browse/HIVE-16074

Also getting a dummy table schema would help me run explain on my own builds.
 
Cheers,
Gopal



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