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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-18189) Order by position does not work when cbo is disabled
Date Tue, 05 Dec 2017 15:05:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-18189?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16278682#comment-16278682
] 

Hive QA commented on HIVE-18189:
--------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
|| || || || {color:brown} Prechecks {color} ||
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m  1s{color} | {color:blue}
Findbugs executables are not available. {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:green}+1{color} | {color:green} mvninstall {color} | {color:green}  6m  8s{color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 59s{color} |
{color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 39s{color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 55s{color} |
{color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 23s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m  0s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m  0s{color} | {color:green}
the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 45s{color} | {color:red}
ql: The patch generated 5 new + 936 unchanged - 0 fixed = 941 total (was 936) {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green}  0m  0s{color}
| {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 56s{color} |
{color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 12s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 13m 13s{color} | {color:black}
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|| Subsystem || Report/Notes ||
| Optional Tests |  asflicense  javac  javadoc  findbugs  checkstyle  compile  |
| uname | Linux hiveptest-server-upstream 3.16.0-4-amd64 #1 SMP Debian 3.16.36-1+deb8u1 (2016-09-03)
x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /data/hiveptest/working/yetus/dev-support/hive-personality.sh |
| git revision | master / f631241 |
| Default Java | 1.8.0_111 |
| checkstyle | http://104.198.109.242/logs//PreCommit-HIVE-Build-8111/yetus/diff-checkstyle-ql.txt
|
| modules | C: ql U: ql |
| Console output | http://104.198.109.242/logs//PreCommit-HIVE-Build-8111/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> Order by position does not work when cbo is disabled
> ----------------------------------------------------
>
>                 Key: HIVE-18189
>                 URL: https://issues.apache.org/jira/browse/HIVE-18189
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Planning
>            Reporter: Daniel Dai
>            Assignee: Daniel Dai
>         Attachments: HIVE-18189.1.patch, HIVE-18189.2.patch, HIVE-18189.3.patch
>
>
> Investigating a failed query:
> {code}
> set hive.cbo.enable=false;
> set hive.orderby.position.alias=true;
> select distinct age from student order by 1 desc limit 20;
> {code}
> The query does not sort the output correctly when cbo is disabled/inactivated. I found
two issues:
> 1. "order by position" query is broken by HIVE-16774
> 2. In particular, select distinct query never work for "order by position" query



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