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https://issues.apache.org/jira/browse/HIVE-20331?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16575741#comment-16575741
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Hive QA commented on HIVE-20331:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12935042/HIVE-20331.1.patch
{color:green}SUCCESS:{color} +1 due to 1 test(s) being added or modified.
{color:green}SUCCESS:{color} +1 due to 14874 tests passed
Test results:
https://builds.apache.org/job/PreCommit-HIVE-Build/13139/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/13139/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-13139/
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: 12935042 - PreCommit-HIVE-Build
> Query with union all, lateral view and Join fails with "cannot find parent in
> the child operator"
> -------------------------------------------------------------------------------------------------
>
> Key: HIVE-20331
> URL: https://issues.apache.org/jira/browse/HIVE-20331
> Project: Hive
> Issue Type: Bug
> Components: Physical Optimizer
> Affects Versions: 2.1.1
> Reporter: Aihua Xu
> Assignee: Aihua Xu
> Priority: Major
> Attachments: HIVE-20331.1.patch
>
>
> The following query with Union, Lateral view and Join will fail during
> execution with the exception below.
> {noformat}
> create table t1(col1 int);
> SELECT 1 AS `col1`
> FROM t1
> UNION ALL
> SELECT 2 AS `col1`
> FROM
> (SELECT col1
> FROM t1
> ) x1
> JOIN
> (SELECT col1
> FROM
> (SELECT
> Row_Number() over (PARTITION BY col1 ORDER BY col1) AS `col1`
> FROM t1
> ) x2 lateral VIEW explode(map(10,1))`mapObj` AS `col2`, `col3`
> ) `expdObj`
> {noformat}
> {noformat}
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Hive internal
> error: cannot find parent in the child operator!
> at
> org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:362)
> ~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
> at
> org.apache.hadoop.hive.ql.exec.MapOperator.initializeMapOperator(MapOperator.java:509)
> ~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
> at
> org.apache.hadoop.hive.ql.exec.mr.ExecMapper.configure(ExecMapper.java:116)
> ~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
> {noformat}
> After debugging, seems we have issues in GenMRFileSink1 class in which we are
> setting incorrect aliasToWork to the MapWork.
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