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Navis commented on HIVE-4502: ----------------------------- I've not converted any SMBJoins to RS-joins and just changed creation order of those. The difference is that my patch adds a root task only when all of the join aliases are handled, which is contrary to trunk (add root whenever possible and remove if it's not afterwards). The patch I've attached seemed easier but it is just my call. > NPE - subquery smb joins fails > ------------------------------ > > Key: HIVE-4502 > URL: https://issues.apache.org/jira/browse/HIVE-4502 > Project: Hive > Issue Type: Bug > Components: Query Processor > Affects Versions: 0.11.0 > Reporter: Vikram Dixit K > Assignee: Vikram Dixit K > Attachments: HIVE-4502-1.patch, HIVE-4502.D10695.1.patch, > smb_mapjoin_25.q > > > Found this issue while running some SMB joins. Attaching test case that > causes this error. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira