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From "Jesus Camacho Rodriguez (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-13639) CBO rule to pull up constants through Union
Date Wed, 04 May 2016 12:43:12 GMT

     [ https://issues.apache.org/jira/browse/HIVE-13639?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jesus Camacho Rodriguez updated HIVE-13639:
-------------------------------------------
    Attachment: HIVE-13639.patch

There is some overlapping with HIVE-13638 i.e. changes in HiveReduceExpressionsRule are the
same.

[~ashutoshc], could you take a look? Thanks

> CBO rule to pull up constants through Union
> -------------------------------------------
>
>                 Key: HIVE-13639
>                 URL: https://issues.apache.org/jira/browse/HIVE-13639
>             Project: Hive
>          Issue Type: Sub-task
>          Components: CBO
>    Affects Versions: 2.1.0
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>         Attachments: HIVE-13639.patch
>
>
> After HIVE-13068 goes in, we need to pull up constants through Union operator, as it
was done previously by ConstantPropagate in Hive.



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