[ 
https://issues.apache.org/jira/browse/HIVE-12664?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15068641#comment-15068641
 ] 

Hive QA commented on HIVE-12664:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12778955/HIVE-12664.1.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/6447/testReport
Console output: 
http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/6447/console
Test logs: 
http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-6447/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Tests exited with: NonZeroExitCodeException
Command 'bash /data/hive-ptest/working/scratch/source-prep.sh' failed with exit 
status 1 and output '+ [[ -n /usr/java/jdk1.7.0_45-cloudera ]]
+ export JAVA_HOME=/usr/java/jdk1.7.0_45-cloudera
+ JAVA_HOME=/usr/java/jdk1.7.0_45-cloudera
+ export 
PATH=/usr/java/jdk1.7.0_45-cloudera/bin/:/usr/local/apache-maven-3.0.5/bin:/usr/java/jdk1.7.0_45-cloudera/bin:/usr/local/apache-ant-1.9.1/bin:/usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin:/home/hiveptest/bin
+ 
PATH=/usr/java/jdk1.7.0_45-cloudera/bin/:/usr/local/apache-maven-3.0.5/bin:/usr/java/jdk1.7.0_45-cloudera/bin:/usr/local/apache-ant-1.9.1/bin:/usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin:/home/hiveptest/bin
+ export 'ANT_OPTS=-Xmx1g -XX:MaxPermSize=256m '
+ ANT_OPTS='-Xmx1g -XX:MaxPermSize=256m '
+ export 'M2_OPTS=-Xmx1g -XX:MaxPermSize=256m -Dhttp.proxyHost=localhost 
-Dhttp.proxyPort=3128'
+ M2_OPTS='-Xmx1g -XX:MaxPermSize=256m -Dhttp.proxyHost=localhost 
-Dhttp.proxyPort=3128'
+ cd /data/hive-ptest/working/
+ tee /data/hive-ptest/logs/PreCommit-HIVE-TRUNK-Build-6447/source-prep.txt
+ [[ false == \t\r\u\e ]]
+ mkdir -p maven ivy
+ [[ git = \s\v\n ]]
+ [[ git = \g\i\t ]]
+ [[ -z master ]]
+ [[ -d apache-github-source-source ]]
+ [[ ! -d apache-github-source-source/.git ]]
+ [[ ! -d apache-github-source-source ]]
+ cd apache-github-source-source
+ git fetch origin
>From https://github.com/apache/hive
   4f939f5..45ae30c  master     -> origin/master
+ git reset --hard HEAD
HEAD is now at 4f939f5 HIVE-12713: Miscellaneous improvements in driver compile 
and execute logging (Chaoyu Tang, reviewed by Xuefu Zhang)
+ git clean -f -d
+ git checkout master
Already on 'master'
Your branch is behind 'origin/master' by 1 commit, and can be fast-forwarded.
+ git reset --hard origin/master
HEAD is now at 45ae30c HIVE-12667: Proper fix for HIVE-12473 (Gunther 
Hagleitner, reviewed by Vikram Dixit K)
+ git merge --ff-only origin/master
Already up-to-date.
+ git gc
+ patchCommandPath=/data/hive-ptest/working/scratch/smart-apply-patch.sh
+ patchFilePath=/data/hive-ptest/working/scratch/build.patch
+ [[ -f /data/hive-ptest/working/scratch/build.patch ]]
+ chmod +x /data/hive-ptest/working/scratch/smart-apply-patch.sh
+ /data/hive-ptest/working/scratch/smart-apply-patch.sh 
/data/hive-ptest/working/scratch/build.patch
The patch does not appear to apply with p0, p1, or p2
+ exit 1
'
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12778955 - PreCommit-HIVE-TRUNK-Build

> Bug in reduce deduplication optimization causing ArrayOutOfBoundException
> -------------------------------------------------------------------------
>
>                 Key: HIVE-12664
>                 URL: https://issues.apache.org/jira/browse/HIVE-12664
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>    Affects Versions: 1.1.1, 1.2.1
>            Reporter: Johan Gustavsson
>            Assignee: Johan Gustavsson
>         Attachments: HIVE-12664-1.patch, HIVE-12664.1.patch, HIVE-12664.patch
>
>
> The optimisation check for reduce deduplication only checks the first child 
> node for join -and the check itself also contains a major bug- causing 
> ArrayOutOfBoundException no matter what.
> Sample data table form:
> ||time||user||host||path||referer||code||agent||size||method||
> |int|string|string|string|string|bigint|string|bigint|string|
> Sample query
> {code:sql}
> SELECT 
>   t1.host,
>   COUNT(DISTINCT t1.`date`) AS login_count,
>   MAX(t2.code) AS code,
>   unix_timestamp() AS time
> FROM (
>     SELECT 
>       HOST,
>       MIN(time) AS DATE
>     FROM
>       www_access
>     WHERE
>       HOST IS NOT NULL
>     GROUP BY
>       HOST
>   ) t1
> JOIN (
>     SELECT 
>       HOST,
>       MIN(time) AS code
>     FROM
>       www_access
>     WHERE
>       HOST IS NOT NULL
>     GROUP BY
>       HOST
>   ) t2
>   ON t1.host = t2.host
> GROUP BY
>   t1.host
> {code}



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