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Posted to issues@hive.apache.org by "Jesus Camacho Rodriguez (JIRA)" <ji...@apache.org> on 2016/05/02 11:37:12 UTC

[jira] [Commented] (HIVE-13638) CBO rule to pull up constants through Sort/Limit

    [ https://issues.apache.org/jira/browse/HIVE-13638?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15266287#comment-15266287 ] 

Jesus Camacho Rodriguez commented on HIVE-13638:
------------------------------------------------

That is true; I guess for the time being it is safe to leave it like this because type system is more restrictive in Calcite, but I will take note as it should be done. I guess changes would span to many other classes though.

> CBO rule to pull up constants through Sort/Limit
> ------------------------------------------------
>
>                 Key: HIVE-13638
>                 URL: https://issues.apache.org/jira/browse/HIVE-13638
>             Project: Hive
>          Issue Type: Sub-task
>          Components: CBO
>    Affects Versions: 2.1.0
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>         Attachments: HIVE-13638.patch
>
>
> After HIVE-13068 goes in, we need to pull up constants through Sort/Limit operator, as it was done previously by ConstantPropagate in Hive.



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