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https://issues.apache.org/jira/browse/HIVE-21742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16855276#comment-16855276
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Hive QA commented on HIVE-21742:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12970749/HIVE-21742.4.patch
{color:green}SUCCESS:{color} +1 due to 1 test(s) being added or modified.
{color:green}SUCCESS:{color} +1 due to 16076 tests passed
Test results:
https://builds.apache.org/job/PreCommit-HIVE-Build/17404/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/17404/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-17404/
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: 12970749 - PreCommit-HIVE-Build
> Vectorization: CASE result type casting
> ---------------------------------------
>
> Key: HIVE-21742
> URL: https://issues.apache.org/jira/browse/HIVE-21742
> Project: Hive
> Issue Type: Bug
> Components: Logical Optimizer, Vectorization
> Affects Versions: 3.1.1
> Reporter: Gopal V
> Assignee: Vineet Garg
> Priority: Major
> Labels: pull-request-available
> Attachments: HIVE-21742.1.patch, HIVE-21742.2.patch,
> HIVE-21742.3.patch, HIVE-21742.4.patch
>
> Time Spent: 3h 10m
> Remaining Estimate: 0h
>
> {code}
> create temporary table foo(q548284 int);
> insert into foo values(1),(2),(3),(4),(5),(6);
> select q548284, CASE WHEN ((q548284 = 1)) THEN (0.2) WHEN ((q548284 = 2))
> THEN (0.4) WHEN ((q548284 = 3)) THEN (0.6) WHEN ((q548284 = 4)) THEN (0.8)
> WHEN ((q548284 = 5)) THEN (1) ELSE (null) END from foo order by q548284 limit
> 1;
> {code}
> Fails with
> {code}
> Caused by: java.lang.ClassCastException:
> org.apache.hadoop.hive.ql.exec.vector.LongColumnVector cannot be cast to
> org.apache.hadoop.hive.ql.exec.vector.DecimalColumnVector
> at
> org.apache.hadoop.hive.ql.exec.vector.DecimalColumnVector.setElement(DecimalColumnVector.java:130)
> at
> org.apache.hadoop.hive.ql.exec.vector.expressions.IfExprColumnNull.evaluate(IfExprColumnNull.java:101)
> {code}
> This gets fixed if the case return of (1) is turned into a (1.0).
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