Apache Phoenix: Using MINUS throws an error

I'm using Apache Phoenix to query Hbase. I tried to use a simple MINUS operator like we do in good old SQL but it produces an error that I couldn't wrap my head around. Here's the query: select * from NOTIFICATION MINUS select * from NOTIFICATION where SUBJECT = 'datanode'; Here's a screenshot: > Note: It's not this specific query I'm looking to solve, I just want > to get MINUS to work. Thanks.