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https://issues.apache.org/jira/browse/HIVE-20174?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16544427#comment-16544427
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Hive QA commented on HIVE-20174:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12931678/HIVE-20174.02.patch
{color:green}SUCCESS:{color} +1 due to 11 test(s) being added or modified.
{color:green}SUCCESS:{color} +1 due to 14660 tests passed
Test results:
https://builds.apache.org/job/PreCommit-HIVE-Build/12620/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/12620/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-12620/
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: 12931678 - PreCommit-HIVE-Build
> Vectorization: Fix NULL / Wrong Results issues in GROUP BY Aggregation
> Functions
> --------------------------------------------------------------------------------
>
> Key: HIVE-20174
> URL: https://issues.apache.org/jira/browse/HIVE-20174
> Project: Hive
> Issue Type: Bug
> Components: Hive
> Reporter: Matt McCline
> Assignee: Matt McCline
> Priority: Critical
> Attachments: HIVE-20174.01.patch, HIVE-20174.02.patch
>
>
> Write new UT tests that use random data and intentional isRepeating batches
> to checks for NULL and Wrong Results for vectorized aggregation functions.
>
> BUGs found:
> 1) AVG/VARIANCE (family) in PARTIAL1 mode was returning NULL instead of count
> = 0, sum = 0 (All data types). For AVG DECIMAL, only return NULL if there
> was an overflow.
> 2) AVG/MIN/MAX was not detecting repeated NULL correctly for the TIMESTAMP,
> INTERVAL_DAY_TIME, and String Family. Eliminated redundant code.
> 3) Fix incorrect calculation for VARIANCE (family) in PARTIAL2 and FINAL
> modes (HIVE-18758).
> 4) Fix row-mode AVG DECIMAL to enforce output type precision and scale in
> COMPLETE and FINAL modes.
>
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