You are viewing a plain text version of this content. The canonical link for it is here.

Posted to issues@hive.apache.org by "Jesus Camacho Rodriguez (JIRA)" <ji...@apache.org> on 2018/06/01 15:12:00 UTC

[jira] [Updated] (HIVE-19358) CBO decorrelation logic should generate Hive operators

     [ https://issues.apache.org/jira/browse/HIVE-19358?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jesus Camacho Rodriguez updated HIVE-19358:
-------------------------------------------
    Attachment: HIVE-19358.05.patch

> CBO decorrelation logic should generate Hive operators
> ------------------------------------------------------
>
>                 Key: HIVE-19358
>                 URL: https://issues.apache.org/jira/browse/HIVE-19358
>             Project: Hive
>          Issue Type: Bug
>          Components: CBO
>    Affects Versions: 3.0.0
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>            Priority: Major
>         Attachments: HIVE-19358.01.patch, HIVE-19358.02.patch, HIVE-19358.03.patch, HIVE-19358.04.patch, HIVE-19358.05.patch, HIVE-19358.patch, fix.patch
>
>
> Decorrelation logic may generate logical instances of the operators in the plan (e.g., LogicalFilter instead of HiveFilter). This leads to errors while costing the tree in the Volcano planner (used in MV rewriting), since logical operators do not have a cost associated to them.



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