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Posted to dev@hive.apache.org by "Stamatis Zampetakis (Jira)" <ji...@apache.org> on 2021/10/19 16:54:00 UTC

[jira] [Created] (HIVE-25625) Drop TestCompareCliDriver and related code from tests

Stamatis Zampetakis created HIVE-25625:
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             Summary: Drop TestCompareCliDriver and related code from tests
                 Key: HIVE-25625
                 URL: https://issues.apache.org/jira/browse/HIVE-25625
             Project: Hive
          Issue Type: Task
          Components: Testing Infrastructure
            Reporter: Stamatis Zampetakis
            Assignee: Stamatis Zampetakis


The driver has been introduced back in 2015 (HIVE-6010) aiming to run queries with vectorization on/off and comparing the results. However it didn't receive much attention since then and currently only two queries are run with this driver.

The majority of tests aiming to ensure vectorization works correctly use the {{TestMiniLlapLocalCliDriver}} and run a query twice switching on/off the necessary properties.

Summing up having the [TestCompareCliDriver|https://github.com/apache/hive/blob/d521f149fade25f74e7ca28fa399103684a80580/itests/qtest/src/test/java/org/apache/hadoop/hive/cli/TestCompareCliDriver.java] in the repo leads to extra code maintenance cost without significant benefit.



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