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https://issues.apache.org/jira/browse/HIVE-22785?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17064795#comment-17064795
 ] 

Hive QA commented on HIVE-22785:
--------------------------------

| (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 
44s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  8m 
 8s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
39s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
 2s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  3m 
49s{color} | {color:blue} ql in master has 1531 extant Findbugs warnings. 
{color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
17s{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 
 2s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
36s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m 
36s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
47s{color} | {color:red} ql: The patch generated 35 new + 527 unchanged - 7 
fixed = 562 total (was 534) {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red}  0m  
1s{color} | {color:red} The patch has 2 line(s) that end in whitespace. Use git 
apply --whitespace=fix <<patch_file>>. Refer https://git-scm.com/docs/git-apply 
{color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  4m  
0s{color} | {color:red} ql generated 1 new + 1531 unchanged - 0 fixed = 1532 
total (was 1531) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
16s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
15s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 29m 50s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| FindBugs | module:ql |
|  |  Dead store to sortFields in 
org.apache.hadoop.hive.ql.optimizer.calcite.rules.HiveSortPullUpConstantsRuleBase.onMatch(RelOptRuleCall)
  At 
HiveSortPullUpConstantsRuleBase.java:org.apache.hadoop.hive.ql.optimizer.calcite.rules.HiveSortPullUpConstantsRuleBase.onMatch(RelOptRuleCall)
  At HiveSortPullUpConstantsRuleBase.java:[line 150] |
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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-21232/dev-support/hive-personality.sh
 |
| git revision | master / 95176bb |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.1 |
| checkstyle | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-21232/yetus/diff-checkstyle-ql.txt
 |
| whitespace | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-21232/yetus/whitespace-eol.txt
 |
| findbugs | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-21232/yetus/new-findbugs-ql.html
 |
| modules | C: ql itests itests/hive-blobstore U: . |
| Console output | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-21232/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> Update/delete/merge statements not optimized through CBO
> --------------------------------------------------------
>
>                 Key: HIVE-22785
>                 URL: https://issues.apache.org/jira/browse/HIVE-22785
>             Project: Hive
>          Issue Type: Improvement
>          Components: CBO
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Krisztian Kasa
>            Priority: Critical
>         Attachments: HIVE-22785.1.patch, HIVE-22785.2.patch, 
> HIVE-22785.2.patch, HIVE-22785.3.patch, HIVE-22785.4.patch, 
> HIVE-22785.5.patch, HIVE-22785.6.patch, HIVE-22785.7.patch, HIVE-22785.8.patch
>
>
> Currently, CBO is bypassed for update/delete/merge statements.
> To support optimizing these statements through CBO, we need to complete three 
> main tasks: 1) support for sort in Calcite planner, 2) support for SORT in 
> AST converter, and 3) {{RewriteSemanticAnalyzer}} should extend 
> {{CalcitePlanner}} instead of {{SemanticAnalyzer}}.



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