kgyrtkirk commented on a change in pull request #819: HIVE-22363 
ReduceDeduplication may leave an invalid GroupByOperator behind in some cases
URL: https://github.com/apache/hive/pull/819#discussion_r338550843
 
 

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 File path: ql/src/test/results/clientpositive/llap/explainuser_1.q.out
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 @@ -4990,38 +4990,44 @@ Vertex dependency in root stage
 Reducer 2 <- Map 1 (SIMPLE_EDGE)
 Reducer 3 <- Reducer 2 (SIMPLE_EDGE)
 Reducer 4 <- Reducer 3 (SIMPLE_EDGE)
+Reducer 5 <- Reducer 4 (SIMPLE_EDGE)
 
 Review comment:
   I agree; that was something I was not considering....I'll change the 
groupbyoperator acceptor - to recognize gby operators in "complete mode" - 
right now I think only those which can be accepted

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