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Pengcheng Xiong commented on HIVE-14861: ---------------------------------------- [~ashutoshc], the change sounds ok for me. (In some cases it even improved the explain). Could u take a look? Thanks. > Support precedence for set operator using parentheses > ----------------------------------------------------- > > Key: HIVE-14861 > URL: https://issues.apache.org/jira/browse/HIVE-14861 > Project: Hive > Issue Type: Sub-task > Reporter: Pengcheng Xiong > Assignee: Pengcheng Xiong > Attachments: HIVE-14861.01.patch, HIVE-14861.02.patch > > > We should support precedence for set operator by using parentheses. For > example > {code} > select * from src union all (select * from src union select * from src); > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)