[ https://issues.apache.org/jira/browse/HIVE-17020?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Vineet Garg updated HIVE-17020: ------------------------------- Attachment: HIVE-17020.6.patch > Aggressive RS dedup can incorrectly remove OP tree branch > --------------------------------------------------------- > > Key: HIVE-17020 > URL: https://issues.apache.org/jira/browse/HIVE-17020 > Project: Hive > Issue Type: Bug > Reporter: Rui Li > Assignee: Vineet Garg > Priority: Major > Fix For: 4.0.0 > > Attachments: HIVE-17020.1.patch, HIVE-17020.2.patch, > HIVE-17020.3.patch, HIVE-17020.4.patch, HIVE-17020.5.patch, HIVE-17020.6.patch > > > Suppose we have an OP tree like this: > {noformat} > ... > | > RS[1] > | > SEL[2] > / \ > SEL[3] SEL[4] > | | > RS[5] FS[6] > | > ... > {noformat} > When doing aggressive RS dedup, we'll remove all the operators between RS5 > and RS1, and thus the branch containing FS6 is lost. -- This message was sent by Atlassian JIRA (v7.6.3#76005)