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Posted to issues@hive.apache.org by "Jesus Camacho Rodriguez (JIRA)" <ji...@apache.org> on 2016/05/04 02:29:12 UTC

[jira] [Work started] (HIVE-13637) Fold CASE into NVL when CBO optimized the plan

     [ https://issues.apache.org/jira/browse/HIVE-13637?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on HIVE-13637 started by Jesus Camacho Rodriguez.
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> Fold CASE into NVL when CBO optimized the plan
> ----------------------------------------------
>
>                 Key: HIVE-13637
>                 URL: https://issues.apache.org/jira/browse/HIVE-13637
>             Project: Hive
>          Issue Type: Sub-task
>          Components: CBO
>    Affects Versions: 2.1.0
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>         Attachments: HIVE-13637.02.patch, HIVE-13637.patch, HIVE-13637.patch
>
>
> After HIVE-13068 goes in, folding CASE into NVL got disabled when CBO has optimized the plan, as it was done by ConstantPropagate in Hive. We need to enable it back.



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