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https://issues.apache.org/jira/browse/HIVE-10168?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14394741#comment-14394741
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Alexander Pivovarov commented on HIVE-10168:
--------------------------------------------
I compare two decimal numbers from failed test and find first decimal position
where digits not matching
then I subtract 2 (for reliability) and this is the number of decimal places to
round
For example:
{code}
142.92680950752379
142.9268095075238
12345678901234
^ no match at position 13
^ no match - 2 is position 11 - this is I use for round
{code}
> make groupby3_map.q more stable
> -------------------------------
>
> Key: HIVE-10168
> URL: https://issues.apache.org/jira/browse/HIVE-10168
> Project: Hive
> Issue Type: Improvement
> Components: Tests
> Reporter: Alexander Pivovarov
> Assignee: Alexander Pivovarov
> Attachments: HIVE-10168.1.patch, HIVE-10168.2.patch
>
>
> The test run aggregation query which produces several DOUBLE numbers.
> Assertion framework compares output containing DOUBLE numbers without any
> delta.
> As a result test is not stable
> e.g. build 3219 failed with the following test result
> {code}
> groupby3_map.q.out
> 139c139
> < 130091.0 260.182 256.10355987055016 98.0 0.0
> 142.92680950752379 143.06995106518903 20428.07287599999
> 20469.010897795582
> ---
> > 130091.0 260.182 256.10355987055016 98.0 0.0
> > 142.9268095075238 143.06995106518906 20428.072876
> > 20469.01089779559
> {code}
> http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/3219/testReport/junit/org.apache.hadoop.hive.cli/TestCliDriver/testCliDriver_groupby3_map/
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