[ https://issues.apache.org/jira/browse/HIVE-23973?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Work on HIVE-23973 started by Jesus Camacho Rodriguez. ------------------------------------------------------ > Use SQL constraints to improve join reordering algorithm (III) > -------------------------------------------------------------- > > Key: HIVE-23973 > URL: https://issues.apache.org/jira/browse/HIVE-23973 > Project: Hive > Issue Type: Improvement > Components: CBO > Reporter: Jesus Camacho Rodriguez > Assignee: Jesus Camacho Rodriguez > Priority: Major > > This issue focuses on pulling non-filtering column appending FK-PK joins to > the top of the plan. Among other improvements, this will avoid unnecessary > shuffling of data in intermediate stages. -- This message was sent by Atlassian Jira (v8.3.4#803005)