jcamachor 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_r337300628
########## File path: ql/src/test/results/clientpositive/llap/explainuser_1.q.out ########## @@ -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: The patch seems to cause regressions (additional shuffle phases), unless previous plan was incorrect? ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] With regards, Apache Git Services --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
