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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-20174) Vectorization: Fix NULL / Wrong Results issues in GROUP BY Aggregation Functions
Date Mon, 16 Jul 2018 09:09:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-20174?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16544975#comment-16544975
] 

Hive QA commented on HIVE-20174:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12931747/HIVE-20174.04.patch

{color:green}SUCCESS:{color} +1 due to 11 test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 1 failed/errored test(s), 14656 tests executed
*Failed tests:*
{noformat}
org.apache.hive.service.cli.thrift.TestThriftHttpCLIServiceFeatures.org.apache.hive.service.cli.thrift.TestThriftHttpCLIServiceFeatures
(batchId=245)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/12630/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/12630/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-12630/

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
Tests exited with: TestsFailedException: 1 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12931747 - 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, HIVE-20174.03.patch, HIVE-20174.04.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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