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From "Zoltan Haindrich (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-20961) Retire NVL implementation
Date Wed, 12 Dec 2018 12:30:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-20961?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Zoltan Haindrich updated HIVE-20961:
------------------------------------
       Resolution: Fixed
    Fix Version/s: 4.0.0
           Status: Resolved  (was: Patch Available)

pushed to master. Thank you [~abstractdog] for taking care of this!

> Retire NVL implementation
> -------------------------
>
>                 Key: HIVE-20961
>                 URL: https://issues.apache.org/jira/browse/HIVE-20961
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Zoltan Haindrich
>            Assignee: Laszlo Bodor
>            Priority: Major
>             Fix For: 4.0.0
>
>         Attachments: HIVE-20961.01.patch, HIVE-20961.02.patch, HIVE-20961.03.patch, HIVE-20961.04.patch,
HIVE-20961.05.patch
>
>
> Right now we have coalesce and nvl implemented separetly; it might be better to remove
one of them as they are doing the same. Because Coalesce is in the standard -  I think NVL
have to go...and became an alias to Coalesce.
> Further benefit is: that optimizations which coalesce already recieves; will be done
on NVL calls as well.



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