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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-12384) Union Operator may produce incorrect result on TEZ
Date Mon, 16 Nov 2015 15:29:10 GMT

    [ https://issues.apache.org/jira/browse/HIVE-12384?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15006782#comment-15006782
] 

Hive QA commented on HIVE-12384:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12772451/HIVE-12384.2.patch

{color:green}SUCCESS:{color} +1 due to 1 test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 5 failed/errored test(s), 9783 tests executed
*Failed tests:*
{noformat}
TestHWISessionManager - did not produce a TEST-*.xml file
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_cbo_rp_annotate_stats_groupby
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_unionDistinct_1
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testNegativeCliDriver_authorization_uri_import
org.apache.hive.jdbc.TestSSL.testSSLVersion
{noformat}

Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/6048/testReport
Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/6048/console
Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-6048/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
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: 5 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12772451 - PreCommit-HIVE-TRUNK-Build

> Union Operator may produce incorrect result on TEZ
> --------------------------------------------------
>
>                 Key: HIVE-12384
>                 URL: https://issues.apache.org/jira/browse/HIVE-12384
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>    Affects Versions: 0.14.0, 1.0.0, 1.1.0, 1.0.1, 1.2.1
>            Reporter: Laljo John Pullokkaran
>            Assignee: Laljo John Pullokkaran
>         Attachments: HIVE-12384.1.patch, HIVE-12384.2.patch
>
>
> Union queries may produce incorrect result on TEZ.
> TEZ removes union op, thus might loose the implicit cast in union op.
> Reproduction test case:
> set hive.cbo.enable=false;
> set hive.execution.engine=tez;
> select (x/sum(x) over())  as y from(select cast(1 as decimal(10,0))  as x from (select
* from src limit 2)s1 union all select cast(1 as decimal(10,0)) x from (select * from src
limit 2) s2 union all select '100000000' x from (select * from src limit 2) s3)u order by
y;
> select (x/sum(x) over()) as y from(select cast(1 as decimal(10,0))  as x from (select
* from src limit 2)s1 union all select cast(1 as decimal(10,0)) x from (select * from src
limit 2) s2 union all select cast (null as string) x from (select * from src limit 2) s3)u
order by y;



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