[ https://issues.apache.org/jira/browse/HIVE-784?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13579379#comment-13579379 ]
Ning Zhang commented on HIVE-784: --------------------------------- Guido, I'm not actively working on this now. Semi-join is usually we face and it could handle most of our cases. Feel free to grab this task if you would like to work on it. > Support uncorrelated subqueries in the WHERE clause > --------------------------------------------------- > > Key: HIVE-784 > URL: https://issues.apache.org/jira/browse/HIVE-784 > Project: Hive > Issue Type: New Feature > Components: Query Processor > Reporter: Ning Zhang > Assignee: Ning Zhang > > Hive currently only support views in the FROM-clause, some Facebook use cases > suggest that Hive should support subqueries such as those connected by > IN/EXISTS in the WHERE-clause. -- 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