[ https://issues.apache.org/jira/browse/HIVE-17936?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ashutosh Chauhan updated HIVE-17936: ------------------------------------ Resolution: Fixed Fix Version/s: 3.0.0 Status: Resolved (was: Patch Available) Pushed to master. Thanks, Deepak! > Dynamic Semijoin Reduction : markSemiJoinForDPP marks unwanted semijoin > branches > -------------------------------------------------------------------------------- > > Key: HIVE-17936 > URL: https://issues.apache.org/jira/browse/HIVE-17936 > Project: Hive > Issue Type: Bug > Reporter: Deepak Jaiswal > Assignee: Deepak Jaiswal > Priority: Major > Fix For: 3.0.0 > > Attachments: HIVE-17936.1.patch, HIVE-17936.2.patch, > HIVE-17936.3.patch > > > In method markSemiJoinForDPP (HIVE-17399), the nDVs comparison should not > have equality as there is a chance that the values are same on both sides and > the branch is still marked as good when it shouldn't be. > Add a configurable factor to see how useful this is if nDVs on smaller side > are only slightly less than that on TS side. -- This message was sent by Atlassian JIRA (v6.4.14#64029)