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https://issues.apache.org/jira/browse/HIVE-5358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13798202#comment-13798202
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Hive QA commented on HIVE-5358:
-------------------------------
{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/12608892/HIVE-5358.3.patch
{color:red}ERROR:{color} -1 due to 1 failed/errored test(s), 4416 tests executed
*Failed tests:*
{noformat}
org.apache.hive.hcatalog.mapreduce.TestMultiOutputFormat.testMultiOutputFormatWithReduce
{noformat}
Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/1157/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/1157/console
Messages:
{noformat}
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests failed with: TestsFailedException: 1 tests failed
{noformat}
This message is automatically generated.
> ReduceSinkDeDuplication should ignore column orders when check overlapping
> part of keys between parent and child
> ----------------------------------------------------------------------------------------------------------------
>
> Key: HIVE-5358
> URL: https://issues.apache.org/jira/browse/HIVE-5358
> Project: Hive
> Issue Type: Improvement
> Components: Query Processor
> Reporter: Chun Chen
> Assignee: Chun Chen
> Attachments: D13113.1.patch, HIVE-5358.2.patch, HIVE-5358.3.patch,
> HIVE-5358.patch
>
>
> {code}
> select key, value from (select key, value from src group by key, value) t
> group by key, value;
> {code}
> This can be optimized by ReduceSinkDeDuplication
> {code}
> select key, value from (select key, value from src group by key, value) t
> group by value, key;
> {code}
> However the sql above can't be optimized by ReduceSinkDeDuplication currently
> due to different column orders of parent and child operator.
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