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https://issues.apache.org/jira/browse/HIVE-20366?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16577403#comment-16577403
 ] 

Hive QA commented on HIVE-20366:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12935265/HIVE-20366.2.patch

{color:red}ERROR:{color} -1 due to no test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 1 failed/errored test(s), 14877 tests 
executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestMiniDruidCliDriver.testCliDriver[druidmini_test1]
 (batchId=194)
{noformat}

Test results: 
https://builds.apache.org/job/PreCommit-HIVE-Build/13179/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/13179/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-13179/

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: 12935265 - PreCommit-HIVE-Build

> TPC-DS query78 stats estimates are off for is null filter
> ---------------------------------------------------------
>
>                 Key: HIVE-20366
>                 URL: https://issues.apache.org/jira/browse/HIVE-20366
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Planning
>            Reporter: Vineet Garg
>            Assignee: Vineet Garg
>            Priority: Major
>         Attachments: HIVE-20366.1.patch, HIVE-20366.2.patch
>
>
> In Query 78, there is Left outer join between fact table combos: stores_sales 
> LOJ store_returns, catalog_sales LOJ catalog_returns and web_sales LOJ 
> web_returns. Each of these joins estimates only a single row and the result 
> is BROADCAST and causes hash table memory errors
> {code}
>          Reducer 12                                 |
> |             Execution mode: vectorized, llap       |
> |             Reduce Operator Tree:                  |
> +----------------------------------------------------+
> |                      Explain                       |
> +----------------------------------------------------+
> |               Map Join Operator                    |
> |                 condition map:                     |
> |                      Left Outer Join 0 to 1        |
> |                 keys:                              |
> |                   0 KEY.reducesinkkey0 (type: bigint), KEY.reducesinkkey1 
> (type: bigint) |
> |                   1 KEY.reducesinkkey0 (type: bigint), KEY.reducesinkkey1 
> (type: bigint) |
> |                 outputColumnNames: _col0, _col1, _col3, _col4, _col5, 
> _col6, _col8 |
> |                 input vertices:                    |
> |                   1 Map 14                         |
> |                 Statistics: Num rows: 10282477384 Data size: 534184867432 
> Basic stats: COMPLETE Column stats: COMPLETE |
> |                 Filter Operator                    |
> |                   predicate: _col8 is null (type: boolean) |
> |                  * Statistics: Num rows: 1* Data size: 52 Basic stats: 
> COMPLETE Column stats: COMPLETE |
> {code}



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