optimize orderby followed by a groupby --------------------------------------
Key: HIVE-2340 URL: https://issues.apache.org/jira/browse/HIVE-2340 Project: Hive Issue Type: Sub-task Components: Query Processor Reporter: Navis Priority: Minor Before implementing optimizer for JOIN-GBY, try to implement RS-GBY optimizer(cluster-by following group-by). -- This message is automatically generated by JIRA. For more information on JIRA, see: http://www.atlassian.com/software/jira