[HIVE-8724] Right outer join produces incorrect result on Tez

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Fix Version/s: 0.14.0
• Assignee: Gunther Hagleitner
• Reporter: Gunther Hagleitner
• Created: 04/Nov/14 08:14
• Updated: 13/Nov/14 19:44
• Resolved: 05/Nov/14 22:54

Description

Still working on repro. But when testing h14 in the cluster I've seen some errors with right outer joins. Rewriting as left outer joins works fine. It seems that when initializing the groups in CommonMergeJoinOperator the state machine gets confused about what position in the stream we're at.

Issue Links

• is related to: HIVE-8745 Joins on decimal keys return different results whether they are run as reduce join or map join