hive-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Deepak Jaiswal (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-16441) De-duplicate semijoin branches in n-way joins
Date Thu, 20 Apr 2017 18:01:04 GMT

     [ https://issues.apache.org/jira/browse/HIVE-16441?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Deepak Jaiswal updated HIVE-16441:
----------------------------------
    Issue Type: Improvement  (was: Task)

> De-duplicate semijoin branches in n-way joins
> ---------------------------------------------
>
>                 Key: HIVE-16441
>                 URL: https://issues.apache.org/jira/browse/HIVE-16441
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Deepak Jaiswal
>            Assignee: Deepak Jaiswal
>         Attachments: HIVE-16441.1.patch, HIVE-16441.2.patch
>
>
> Currently in n-way joins, semi join optimization creates n branches on same key. Instead
it should reuse one branch for all the joins.



--
This message was sent by Atlassian JIRA
(v6.3.15#6346)

Mime
View raw message