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Posted to issues@hive.apache.org by "Hive QA (JIRA)" <ji...@apache.org> on 2017/12/01 04:43:00 UTC

[jira] [Commented] (HIVE-18173) Improve plans for correlated subqueries with non-equi predicate

    [ https://issues.apache.org/jira/browse/HIVE-18173?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16273935#comment-16273935 ] 

Hive QA commented on HIVE-18173:
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| (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}  5m 44s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m  1s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 36s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 53s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 16s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 58s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 58s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 36s{color} | {color:red} ql: The patch generated 26 new + 488 unchanged - 18 fixed = 514 total (was 506) {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 57s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red}  0m 12s{color} | {color:red} The patch generated 1 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 12m 45s{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/dev-support/hive-personality.sh |
| git revision | master / 508d7e6 |
| Default Java | 1.8.0_111 |
| checkstyle | http://104.198.109.242/logs//PreCommit-HIVE-Build-8072/yetus/diff-checkstyle-ql.txt |
| asflicense | http://104.198.109.242/logs//PreCommit-HIVE-Build-8072/yetus/patch-asflicense-problems.txt |
| modules | C: ql U: ql |
| Console output | http://104.198.109.242/logs//PreCommit-HIVE-Build-8072/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


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> Improve plans for correlated subqueries with non-equi predicate
> ---------------------------------------------------------------
>
>                 Key: HIVE-18173
>                 URL: https://issues.apache.org/jira/browse/HIVE-18173
>             Project: Hive
>          Issue Type: Improvement
>          Components: Query Planning
>            Reporter: Vineet Garg
>            Assignee: Vineet Garg
>         Attachments: HIVE-18173.1.patch, HIVE-18173.2.patch
>
>
> HIVE-17767 optimized plan to not generate value generator (i.e. an extra join with outer query to fetch correlated columns) for EQUAL and NOT EQUAL predicates e.g.
> {code:sql}
> select * from src b where b.key in (select key from src a where b.value <> a.value)
> {code}
> This should be improved and implemented for rest of the predicates e.g. LESS THAN etc



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