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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-21768) JDBC: Strip the default union prefix for un-enclosed UNION queries
Date Thu, 23 May 2019 17:46:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-21768?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16846917#comment-16846917
] 

Hive QA commented on HIVE-21768:
--------------------------------

| (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 50s{color} | {color:blue}
Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  8m 42s{color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  2m 13s{color} |
{color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 16s{color}
| {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  4m 54s{color} | {color:blue}
ql in master has 2258 extant Findbugs warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 49s{color} | {color:blue}
itests/hive-unit in master has 2 extant Findbugs warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 36s{color} |
{color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 30s{color} | {color:blue}
Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  2m 35s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  2m 17s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  2m 17s{color} | {color:green}
the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 55s{color} | {color:red}
ql: The patch generated 1 new + 464 unchanged - 0 fixed = 465 total (was 464) {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 10s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 42s{color} |
{color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 17s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 36m 59s{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 3.16.43-2+deb8u5 (2017-09-19)
x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /data/hiveptest/working/yetus_PreCommit-HIVE-Build-17288/dev-support/hive-personality.sh
|
| git revision | master / 07e671c |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| checkstyle | http://104.198.109.242/logs//PreCommit-HIVE-Build-17288/yetus/diff-checkstyle-ql.txt
|
| modules | C: ql itests/hive-unit U: . |
| Console output | http://104.198.109.242/logs//PreCommit-HIVE-Build-17288/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> JDBC: Strip the default union prefix for un-enclosed UNION queries
> ------------------------------------------------------------------
>
>                 Key: HIVE-21768
>                 URL: https://issues.apache.org/jira/browse/HIVE-21768
>             Project: Hive
>          Issue Type: Bug
>          Components: Logical Optimizer
>    Affects Versions: 4.0.0, 3.1.1
>            Reporter: Gopal V
>            Assignee: Gopal V
>            Priority: Major
>         Attachments: HIVE-21768.1.patch, HIVE-21768.2.patch
>
>
> {code}
> beeline> select 1  union all select 2;
> +----------+
> | _u1._c0  |
> +----------+
> | 2        |
> | 1        |
> +----------+
> {code}
> The _u1 is superfluous and harmful to result schema parsing.



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