[jira] [Commented] (HIVE-12994) Implement support for NULLS FIRST/NULLS LAST

["Hive QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-12994?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15133749#comment-15133749 ] 

Hive QA commented on HIVE-12994:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12786102/HIVE-12994.patch

{color:red}ERROR:{color} -1 due to build exiting with an error

Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/6869/testReport
Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/6869/console
Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-6869/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Tests exited with: ExecutionException: java.util.concurrent.ExecutionException: java.io.IOException: Could not create /data/hive-ptest/logs/PreCommit-HIVE-TRUNK-Build-6869/succeeded/TestCommands
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12786102 - PreCommit-HIVE-TRUNK-Build

> Implement support for NULLS FIRST/NULLS LAST
> --------------------------------------------
>
>                 Key: HIVE-12994
>                 URL: https://issues.apache.org/jira/browse/HIVE-12994
>             Project: Hive
>          Issue Type: New Feature
>          Components: CBO, Metastore, Parser, Serializers/Deserializers
>    Affects Versions: 2.1.0
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>         Attachments: HIVE-12994.patch
>
>
> From SQL:2003, the NULLS FIRST and NULLS LAST options can be used to determine whether nulls appear before or after non-null data values when the ORDER BY clause is used.
> SQL standard does not specify the behavior by default. Currently in Hive, null values sort as if lower than any non-null value; that is, NULLS FIRST is the default for ASC order, and NULLS LAST for DESC order.



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