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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-17617) Rollup of an empty resultset should contain the grouping of the empty grouping set
Date Mon, 09 Oct 2017 15:15:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-17617?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16197127#comment-16197127
] 

Hive QA commented on HIVE-17617:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12891055/HIVE-17617.04.patch

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

{color:red}ERROR:{color} -1 due to 6 failed/errored test(s), 11192 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver[unionDistinct_1] (batchId=144)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[groupby_rollup_empty]
(batchId=158)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[mergejoin] (batchId=159)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[optimize_nullscan] (batchId=162)
org.apache.hadoop.hive.cli.TestMiniSparkOnYarnCliDriver.testCliDriver[spark_explainuser_1]
(batchId=171)
org.apache.hadoop.hive.cli.TestTezPerfCliDriver.testCliDriver[query14] (batchId=239)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/7193/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/7193/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-7193/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 6 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12891055 - PreCommit-HIVE-Build

> Rollup of an empty resultset should contain the grouping of the empty grouping set
> ----------------------------------------------------------------------------------
>
>                 Key: HIVE-17617
>                 URL: https://issues.apache.org/jira/browse/HIVE-17617
>             Project: Hive
>          Issue Type: Sub-task
>          Components: SQL
>            Reporter: Zoltan Haindrich
>            Assignee: Zoltan Haindrich
>         Attachments: HIVE-17617.01.patch, HIVE-17617.03.patch, HIVE-17617.04.patch
>
>
> running
> {code}
> drop table if exists tx1;
> create table tx1 (a integer,b integer,c integer);
> select  sum(c),
>         grouping(b)
> from    tx1
> group by rollup (b);
> {code}
> returns 0 rows; however 
> according to the standard:
> The <empty grouping set> is regarded as the shortest such initial sublist. For
example, “ROLLUP ( (A, B), (C, D) )”
> is equivalent to “GROUPING SETS ( (A, B, C, D), (A, B), () )”.
> so I think the totals row (the grouping for {{()}} should be present)  - psql returns
it.



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