maheshk114 commented on a change in pull request #1147: URL: https://github.com/apache/hive/pull/1147#discussion_r466825617
########## File path: ql/src/test/results/clientpositive/llap/subquery_notexists_having.q.out ########## @@ -31,7 +31,8 @@ STAGE PLANS: Tez #### A masked pattern was here #### Edges: - Reducer 2 <- Map 1 (SIMPLE_EDGE), Map 3 (SIMPLE_EDGE) + Reducer 2 <- Map 1 (SIMPLE_EDGE) Review comment: yes ..the join is getting converted to SMB join ..and so no reducer is required. In case of anti join its not getting converted. That is because left outer is adding an extra group by which is making the RS node on left and right side equal, the pre-condition for converting to SMB join. ---------------------------------------------------------------- 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: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: gitbox-unsubscr...@hive.apache.org For additional commands, e-mail: gitbox-h...@hive.apache.org