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https://issues.apache.org/jira/browse/HIVE-16797?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16045482#comment-16045482
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Hive QA commented on HIVE-16797:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12872413/HIVE-16797.03.patch
{color:green}SUCCESS:{color} +1 due to 2 test(s) being added or modified.
{color:red}ERROR:{color} -1 due to 4 failed/errored test(s), 10831 tests
executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[vector_if_expr]
(batchId=145)
org.apache.hadoop.hive.cli.TestPerfCliDriver.testCliDriver[query16]
(batchId=232)
org.apache.hadoop.hive.cli.TestPerfCliDriver.testCliDriver[query23]
(batchId=232)
org.apache.hadoop.hive.cli.TestPerfCliDriver.testCliDriver[query94]
(batchId=232)
{noformat}
Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/5616/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/5616/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-5616/
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: 4 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12872413 - PreCommit-HIVE-Build
> Enhance HiveFilterSetOpTransposeRule to remove union branches
> -------------------------------------------------------------
>
> Key: HIVE-16797
> URL: https://issues.apache.org/jira/browse/HIVE-16797
> Project: Hive
> Issue Type: Sub-task
> Reporter: Pengcheng Xiong
> Assignee: Pengcheng Xiong
> Attachments: HIVE-16797.01.patch, HIVE-16797.02.patch,
> HIVE-16797.03.patch
>
>
> in query4.q, we can see that it creates a CTE with union all of 3 branches.
> Then it is going to do a 3 way self-join of the CTE with predicates. The
> predicates actually specifies only one of the branch in CTE to participate in
> the join. Thus, in some cases, e.g.,
> {code}
> /- filter(false) -----TS0
> union all - filter(false) -----TS1
> \-----TS2
> {code}
> we can cut the branches of TS0 and TS1. The union becomes only TS2.
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