Auto convert mapjoin should not throw exception if the top operator is union operator. --------------------------------------------------------------------------------------
Key: HIVE-1965 URL: https://issues.apache.org/jira/browse/HIVE-1965 Project: Hive Issue Type: Bug Reporter: He Yongqiang -- This message is automatically generated by JIRA. - For more information on JIRA, see: http://www.atlassian.com/software/jira