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Lefty Leverenz commented on HIVE-15981: --------------------------------------- Should this behavioral change be documented in the wiki? * [Group By | https://cwiki.apache.org/confluence/display/Hive/LanguageManual+GroupBy] If so, please add a TODOC2.2 label. > Allow empty grouping sets > ------------------------- > > Key: HIVE-15981 > URL: https://issues.apache.org/jira/browse/HIVE-15981 > Project: Hive > Issue Type: Sub-task > Components: SQL > Reporter: Carter Shanklin > Assignee: Zoltan Haindrich > Fix For: 2.2.0 > > Attachments: HIVE-15981.1.patch, HIVE-15981.2.patch > > > group by () should be treated as equivalent to no group by clause. Currently > it throws a parse error -- This message was sent by Atlassian JIRA (v6.3.15#6346)