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https://issues.apache.org/jira/browse/HIVE-25684?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stamatis Zampetakis updated HIVE-25684:
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Attachment: skipped_tests.png
> Many (~16K) skipped tests in TestGenericUDFInitializeOnCompareUDF
> -----------------------------------------------------------------
>
> Key: HIVE-25684
> URL: https://issues.apache.org/jira/browse/HIVE-25684
> Project: Hive
> Issue Type: Task
> Components: Testing Infrastructure
> Affects Versions: 4.0.0
> Reporter: Stamatis Zampetakis
> Assignee: Stamatis Zampetakis
> Priority: Major
> Attachments: skipped_tests.png
>
>
> TestGenericUDFInitializeOnCompareUDF is a parameterized test leading to 24K
> possible test combinations. From those only 7K are actually run and the rest
> (~16K) are skipped.
> {noformat}
> mvn test -Dtest=TestGenericUDFInitializeOnCompareUDF
> ...
> [WARNING] Tests run: 24300, Failures: 0, Errors: 0, Skipped: 16452, Time
> elapsed: 7.098 s - in
> org.apache.hadoop.hive.ql.udf.generic.TestGenericUDFInitializeOnCompareUDF
> [INFO]
> [INFO] Results:
> [INFO]
> [INFO] Tests run: 7848, Failures: 0, Errors: 0, Skipped: 0
> {noformat}
> This generates a lot of noise in Jenkins CI, where many tests appear as
> skipped, and it may make people believe it is a problem (side effect of their
> changes). Moreover, we know in advance which tests are skipped and why so
> instead of generating invalid parameter combinations we could simply remove
> those combinations altogether.
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