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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-19202) CBO failed due to NullPointerException in HiveAggregate.isBucketedInput()
Date Mon, 16 Apr 2018 22:16:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-19202?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16440100#comment-16440100
] 

Hive QA commented on HIVE-19202:
--------------------------------

| (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  0s{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}  9m  0s{color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 15s{color} |
{color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 44s{color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m  5s{color} |
{color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 41s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 12s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m 12s{color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 42s{color}
| {color:green} the patch passed {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}  1m  5s{color} |
{color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red}  0m 15s{color} | {color:red}
The patch generated 1 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 17m 20s{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_PreCommit-HIVE-Build-10257/dev-support/hive-personality.sh
|
| git revision | master / 6afa544 |
| Default Java | 1.8.0_111 |
| asflicense | http://104.198.109.242/logs//PreCommit-HIVE-Build-10257/yetus/patch-asflicense-problems.txt
|
| modules | C: ql U: ql |
| Console output | http://104.198.109.242/logs//PreCommit-HIVE-Build-10257/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> CBO failed due to NullPointerException in HiveAggregate.isBucketedInput()
> -------------------------------------------------------------------------
>
>                 Key: HIVE-19202
>                 URL: https://issues.apache.org/jira/browse/HIVE-19202
>             Project: Hive
>          Issue Type: Bug
>          Components: CBO
>    Affects Versions: 2.1.1
>            Reporter: zhuwei
>            Assignee: zhuwei
>            Priority: Critical
>             Fix For: 2.1.1
>
>         Attachments: HIVE-19202.1.patch, HIVE-19202.2.patch
>
>
> I ran a query with join and group by with below settings, COB failed due to NullPointerException
in HiveAggregate.isBucketedInput()
> set hive.execution.engine=tez;
> set hive.cbo.costmodel.extended=true;
>  
> In class HiveRelMdDistribution, we implemented below functions:
> public RelDistribution distribution(HiveAggregate aggregate, RelMetadataQuery mq)
> public RelDistribution distribution(HiveJoin join, RelMetadataQuery mq)
>  
> But in HiveAggregate.isBucketedInput, the argument passed to distribution is "this.getInput()"
> , obviously it's not right here. The right argument needed is "this"



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