[ https://issues.apache.org/jira/browse/HIVE-4105?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ashutosh Chauhan updated HIVE-4105: ----------------------------------- Resolution: Fixed Fix Version/s: 0.12.0 Status: Resolved (was: Patch Available) Committed to trunk. Thanks, Vinod! > Hive MapJoinOperator unnecessarily deserializes values for all join-keys > ------------------------------------------------------------------------ > > Key: HIVE-4105 > URL: https://issues.apache.org/jira/browse/HIVE-4105 > Project: Hive > Issue Type: Bug > Reporter: Vinod Kumar Vavilapalli > Assignee: Vinod Kumar Vavilapalli > Fix For: 0.12.0 > > Attachments: HIVE-4105-20130301.1.txt, HIVE-4105-20130301.txt, > HIVE-4105-20130415.txt, HIVE-4105.patch > > > We can avoid this for inner-joins. Hive does an explicit value > de-serialization up front so even for those rows which won't emit output. In > these cases, we can do just with key de-serialization. -- 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