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https://issues.apache.org/jira/browse/HIVE-23101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17070907#comment-17070907
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Hive QA commented on HIVE-23101:
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| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
|| || || || {color:brown} master Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 1m
48s{color} | {color:blue} Maven dependency ordering for branch {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m
27s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m
0s{color} | {color:green} The patch has no whitespace issues. {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
11s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 2m 52s{color} |
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Optional Tests | asflicense |
| uname | Linux hiveptest-server-upstream 3.16.0-4-amd64 #1 SMP Debian
3.16.43-2+deb8u5 (2017-09-19) x86_64 GNU/Linux |
| Build tool | maven |
| Personality |
/data/hiveptest/working/yetus_PreCommit-HIVE-Build-21334/dev-support/hive-personality.sh
|
| git revision | master / acb1bd1 |
| modules | C: ql itests U: . |
| Console output |
http://104.198.109.242/logs//PreCommit-HIVE-Build-21334/yetus.txt |
| Powered by | Apache Yetus http://yetus.apache.org |
This message was automatically generated.
> Fix topnkey_grouping_sets
> -------------------------
>
> Key: HIVE-23101
> URL: https://issues.apache.org/jira/browse/HIVE-23101
> Project: Hive
> Issue Type: Sub-task
> Reporter: Krisztian Kasa
> Assignee: Krisztian Kasa
> Priority: Major
> Fix For: 4.0.0
>
> Attachments: HIVE-23101.1.patch
>
>
> Example:
> {code}
> Client Execution succeeded but contained differences (error code = 1) after
> executing topnkey_grouping_sets.q
> 260c260
> < NULL NULL
> ---
> > NULL 1
> {code}
>
> Test *topnkey_grouping_sets* fails intermittently.
> Queries which project 2 columns but order by only one of them can have more
> than one good result set:
> {code:java}
> CREATE TABLE t_test_grouping_sets(
> a int,
> b int,
> c int
> );
> INSERT INTO t_test_grouping_sets VALUES
> (NULL, NULL, NULL),
> (5, 2, 3),
> (10, 11, 12),
> (NULL, NULL, NULL),
> (NULL, NULL, NULL),
> (6, 2, 1),
> (7, 8, 4), (7, 8, 4), (7, 8, 4),
> (5, 1, 2), (5, 1, 2), (5, 1, 2),
> (NULL, NULL, NULL);
> SELECT a, b FROM t_test_grouping_sets GROUP BY GROUPING SETS ((a, b), (a),
> (b), ()) ORDER BY a LIMIT 10;
> {code}
> {code:java}
> 5 NULL
> 5 2
> 5 1
> 6 2
> 6 NULL
> 7 8
> 7 NULL
> 10 NULL
> 10 11
> NULL 1
> {code}
> {code:java}
> 5 NULL
> 5 2
> 5 1
> 6 2
> 6 NULL
> 7 8
> 7 NULL
> 10 NULL
> 10 11
> NULL NULL
> {code}
> Since we don't order by *b* both result sets are valid.
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