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https://issues.apache.org/jira/browse/HIVE-22962?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17053913#comment-17053913
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Hive QA commented on HIVE-22962:
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| (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
39s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 7m
35s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
56s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m
11s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 3m
39s{color} | {color:blue} ql in master has 1531 extant Findbugs warnings.
{color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 0m
40s{color} | {color:blue} service in master has 51 extant Findbugs warnings.
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| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 0m
28s{color} | {color:blue} cli in master has 9 extant Findbugs warnings. {color}
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| {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 3m
11s{color} | {color:red} branch/itests/hive-jmh cannot run convertXmlToText
from findbugs {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
35s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m
27s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 2m
43s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 2m
1s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 2m
1s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m
40s{color} | {color:red} ql: The patch generated 90 new + 141 unchanged - 0
fixed = 231 total (was 141) {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m
0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 3m
7s{color} | {color:red} patch/itests/hive-jmh cannot run convertXmlToText from
findbugs {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
32s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red} 0m
14s{color} | {color:red} The patch generated 2 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 39m 19s{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-20993/dev-support/hive-personality.sh
|
| git revision | master / 1b50b70 |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.1 |
| findbugs |
http://104.198.109.242/logs//PreCommit-HIVE-Build-20993/yetus/branch-findbugs-itests_hive-jmh.txt
|
| checkstyle |
http://104.198.109.242/logs//PreCommit-HIVE-Build-20993/yetus/diff-checkstyle-ql.txt
|
| findbugs |
http://104.198.109.242/logs//PreCommit-HIVE-Build-20993/yetus/patch-findbugs-itests_hive-jmh.txt
|
| asflicense |
http://104.198.109.242/logs//PreCommit-HIVE-Build-20993/yetus/patch-asflicense-problems.txt
|
| modules | C: ql service cli itests/hive-jmh U: . |
| Console output |
http://104.198.109.242/logs//PreCommit-HIVE-Build-20993/yetus.txt |
| Powered by | Apache Yetus http://yetus.apache.org |
This message was automatically generated.
> Reuse HiveRelFieldTrimmer instance across queries
> -------------------------------------------------
>
> Key: HIVE-22962
> URL: https://issues.apache.org/jira/browse/HIVE-22962
> Project: Hive
> Issue Type: Improvement
> Components: CBO
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Priority: Major
> Labels: pull-request-available
> Attachments: HIVE-22962.01.patch, HIVE-22962.02.patch,
> HIVE-22962.03.patch, HIVE-22962.04.patch, HIVE-22962.05.patch,
> HIVE-22962.06.patch, HIVE-22962.patch
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Currently we create multiple {{HiveRelFieldTrimmer}} instances per query.
> {{HiveRelFieldTrimmer}} uses a method dispatcher that has a built-in caching
> mechanism: given a certain object, it stores the method that was called for
> the object class. However, by instantiating the trimmer multiple times per
> query and across queries, we create a new dispatcher with each instantiation,
> thus effectively removing the caching mechanism that is built within the
> dispatcher.
> This issue is to reutilize the same {{HiveRelFieldTrimmer}} instance within a
> single query and across queries.
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