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https://issues.apache.org/jira/browse/HIVE-12812?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16626681#comment-16626681
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Hive QA commented on HIVE-12812:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12941082/HIVE-12812.2.patch
{color:green}SUCCESS:{color} +1 due to 30 test(s) being added or modified.
{color:green}SUCCESS:{color} +1 due to 14996 tests passed
Test results:
https://builds.apache.org/job/PreCommit-HIVE-Build/14028/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/14028/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-14028/
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: 12941082 - PreCommit-HIVE-Build
> Enable mapred.input.dir.recursive by default to support union with aggregate
> function
> -------------------------------------------------------------------------------------
>
> Key: HIVE-12812
> URL: https://issues.apache.org/jira/browse/HIVE-12812
> Project: Hive
> Issue Type: Bug
> Components: Hive
> Affects Versions: 1.2.1, 2.1.0
> Reporter: Chaoyu Tang
> Assignee: Alice Fan
> Priority: Major
> Attachments: HIVE-12812.1.patch, HIVE-12812.2.patch,
> HIVE-12812.patch, HIVE-12812.patch, HIVE-12812.patch
>
>
> When union remove optimization is enabled, union query with aggregate
> function writes its subquery intermediate results to subdirs which needs
> mapred.input.dir.recursive to be enabled in order to be fetched. This
> property is not defined by default in Hive and often ignored by user, which
> causes the query failure and is hard to be debugged.
> So we need set mapred.input.dir.recursive to true whenever union remove
> optimization is enabled.
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