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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-20961) Retire NVL implementation
Date Sun, 09 Dec 2018 11:57:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-20961?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16713942#comment-16713942
] 

Hive QA commented on HIVE-20961:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12951116/HIVE-20961.05.patch

{color:red}ERROR:{color} -1 due to no test(s) being added or modified.

{color:green}SUCCESS:{color} +1 due to 15659 tests passed

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/15233/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/15233/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-15233/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.YetusPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12951116 - PreCommit-HIVE-Build

> 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
>         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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