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From "Jesus Camacho Rodriguez (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-19358) CBO decorrelation logic should generate Hive operators
Date Fri, 01 Jun 2018 15:12:00 GMT

     [ 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.



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