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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-8926) Projections that only swap input columns are identified incorrectly as identity projections
Date Sun, 23 Nov 2014 02:35:12 GMT

    [ https://issues.apache.org/jira/browse/HIVE-8926?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14222293#comment-14222293
] 

Hive QA commented on HIVE-8926:
-------------------------------



{color:red}Overall{color}: -1 at least one tests failed

Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12682986/HIVE-8926.01.patch

{color:red}ERROR:{color} -1 due to 1 failed/errored test(s), 6666 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_optimize_nullscan
{noformat}

Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/1871/testReport
Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/1871/console
Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-1871/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 1 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12682986 - PreCommit-HIVE-TRUNK-Build

> Projections that only swap input columns are identified incorrectly as identity projections
> -------------------------------------------------------------------------------------------
>
>                 Key: HIVE-8926
>                 URL: https://issues.apache.org/jira/browse/HIVE-8926
>             Project: Hive
>          Issue Type: Bug
>          Components: Logical Optimizer
>    Affects Versions: 0.15.0
>            Reporter: Jesús Camacho Rodríguez
>            Assignee: Jesús Camacho Rodríguez
>             Fix For: 0.15.0
>
>         Attachments: HIVE-8926.01.patch, HIVE-8926.patch
>
>
> Projection operators that only swap the input columns in the tuples are identified as
identity projections, and thus incorrectly deleted from the plan by the _identity project
removal_ optimization.
> This bug was introduced in HIVE-8435.



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