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https://issues.apache.org/jira/browse/HIVE-22601?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16993686#comment-16993686
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Hive QA commented on HIVE-22601:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12988500/HIVE-22601.2.patch
{color:green}SUCCESS:{color} +1 due to 2 test(s) being added or modified.
{color:green}SUCCESS:{color} +1 due to 17755 tests passed
Test results:
https://builds.apache.org/job/PreCommit-HIVE-Build/19874/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/19874/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-19874/
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: 12988500 - PreCommit-HIVE-Build
> Some columns will be lost when a UDTF has multiple aliases in some cases
> ------------------------------------------------------------------------
>
> Key: HIVE-22601
> URL: https://issues.apache.org/jira/browse/HIVE-22601
> Project: Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 3.1.2
> Reporter: okumin
> Assignee: okumin
> Priority: Major
> Attachments: HIVE-22601.1.patch, HIVE-22601.2.patch, HIVE-22601.patch
>
>
> Only one column will be retained when putting UDTFs with multiple aliases and
> a top-level UNION together.
> For example, the result of the following SQL should have three columns, c1,
> c2 and c3.
> {code:java}
> SELECT stack(1, 'a', 'b', 'c') AS (c1, c2, c3)
> UNION ALL
> SELECT stack(1, 'd', 'e', 'f') AS (c1, c2, c3);
> {code}
> However, It's only the c3 column which I can get.
> {code:java}
> +---------+
> | _u1.c3 |
> +---------+
> | c |
> | f |
> +---------+
> {code}
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