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https://issues.apache.org/jira/browse/HIVE-20976?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16701433#comment-16701433
 ] 

Hive QA commented on HIVE-20976:
--------------------------------

| (x) *{color:red}-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 
41s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  6m 
32s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
45s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
52s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  2m 
15s{color} | {color:blue} standalone-metastore/metastore-common in master has 
29 extant Findbugs warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  3m 
38s{color} | {color:blue} ql in master has 2312 extant Findbugs warnings. 
{color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
21s{color} | {color:blue} jdbc-handler in master has 12 extant Findbugs 
warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
50s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
26s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  2m 
 4s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
44s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m 
44s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m  
9s{color} | {color:red} jdbc-handler: The patch generated 1 new + 13 unchanged 
- 0 fixed = 14 total (was 13) {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} findbugs {color} | {color:green}  6m 
45s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
49s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
13s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 33m 28s{color} | 
{color:black} {color} |
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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_PreCommit-HIVE-Build-15089/dev-support/hive-personality.sh
 |
| git revision | master / de7b3a5 |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| checkstyle | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-15089/yetus/diff-checkstyle-jdbc-handler.txt
 |
| modules | C: standalone-metastore/metastore-common ql jdbc-handler U: . |
| Console output | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-15089/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> JDBC queries containing joins gives wrong results
> -------------------------------------------------
>
>                 Key: HIVE-20976
>                 URL: https://issues.apache.org/jira/browse/HIVE-20976
>             Project: Hive
>          Issue Type: Bug
>          Components: JDBC, StorageHandler
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>            Priority: Major
>         Attachments: HIVE-20976.patch
>
>
> JDBC queries that have joins against self table gives wrong results. 
> e.g. 
> {code} 
> SELECT
> username AS `username`,
> SUM(double1) AS `sum_double1`
> FROM
> jdbc_table_with_nulls `tbl1`
>   JOIN (
>     SELECT
>     username AS `username`,
>     SUM(double1) AS `sum_double2`
>     FROM jdbc_table_with_nulls
>     GROUP BY `username`
>     ORDER BY `sum_double2`
>     DESC  LIMIT 10
>   )
>   `tbl2`
>     ON (`tbl1`.`username` = `tbl2`.`username`)
> GROUP BY `tbl1`.`username`;
> {code} 
> Similar to HIVE-19762.



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