hive-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Vineet Garg (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-21057) Make semi join reduction work with UNION
Date Fri, 21 Dec 2018 01:19:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-21057?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vineet Garg updated HIVE-21057:
-------------------------------
    Attachment: HIVE-21057.2.patch

> Make semi join reduction work with UNION
> ----------------------------------------
>
>                 Key: HIVE-21057
>                 URL: https://issues.apache.org/jira/browse/HIVE-21057
>             Project: Hive
>          Issue Type: Improvement
>          Components: Query Planning
>            Reporter: Vineet Garg
>            Assignee: Vineet Garg
>            Priority: Major
>         Attachments: HIVE-21057.1.patch, HIVE-21057.2.patch
>
>
> HIVE-21007 disabled semi-join for plans containing UNION since it generates a operator
tree which ends up producing invalid tez plan



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)

Mime
View raw message