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https://issues.apache.org/jira/browse/HIVE-21007?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16712282#comment-16712282
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Hive QA commented on HIVE-21007:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12950919/HIVE-21007.4.patch
{color:red}ERROR:{color} -1 due to no test(s) being added or modified.
{color:red}ERROR:{color} -1 due to 4 failed/errored test(s), 15650 tests
executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[cbo_rp_limit]
(batchId=171)
org.apache.hive.jdbc.TestTriggersTezSessionPoolManager.testTriggerCustomCreatedDynamicPartitions
(batchId=256)
org.apache.hive.jdbc.TestTriggersTezSessionPoolManager.testTriggerCustomCreatedDynamicPartitionsUnionAll
(batchId=256)
org.apache.hive.jdbc.TestTriggersTezSessionPoolManager.testTriggerHighShuffleBytes
(batchId=256)
{noformat}
Test results:
https://builds.apache.org/job/PreCommit-HIVE-Build/15201/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/15201/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-15201/
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
Tests exited with: TestsFailedException: 4 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12950919 - PreCommit-HIVE-Build
> Semi join + Union can lead to wrong plans
> -----------------------------------------
>
> Key: HIVE-21007
> URL: https://issues.apache.org/jira/browse/HIVE-21007
> Project: Hive
> Issue Type: Bug
> Reporter: Vineet Garg
> Assignee: Vineet Garg
> Priority: Major
> Attachments: HIVE-21007.1.patch, HIVE-21007.2.patch,
> HIVE-21007.3.patch, HIVE-21007.4.patch
>
>
> Tez compiler has the ability to push JOIN within UNION (by replicating join
> on each branch). If this JOIN had a SJ branch outgoing (or incoming) it could
> mess up the plan and end up generating incorrect or wrong plan.
> As a safe measure any SJ branch after UNION should be removed (until we
> improve the logic to better handle SJ branches)
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