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https://issues.apache.org/jira/browse/HIVE-22507?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16983184#comment-16983184
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Hive QA commented on HIVE-22507:
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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
49s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 7m
50s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
30s{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} 0m
46s{color} | {color:blue} serde in master has 198 extant Findbugs warnings.
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| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 4m
27s{color} | {color:blue} ql in master has 1534 extant Findbugs warnings.
{color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
23s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m
29s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m
51s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
35s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m
35s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m
0s{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:red}-1{color} | {color:red} findbugs {color} | {color:red} 4m
28s{color} | {color:red} ql generated 1 new + 1534 unchanged - 0 fixed = 1535
total (was 1534) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
22s{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.
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| {color:black}{color} | {color:black} {color} | {color:black} 31m 26s{color} |
{color:black} {color} |
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|| Reason || Tests ||
| FindBugs | module:ql |
| | org.apache.hadoop.hive.ql.exec.TopNKeyOperator$KeyWrapperComparator
implements Comparator but not Serializable At
TopNKeyOperator.java:Serializable At TopNKeyOperator.java:[lines 58-75] |
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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-19628/dev-support/hive-personality.sh
|
| git revision | master / 9c06b2c |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.1 |
| findbugs |
http://104.198.109.242/logs//PreCommit-HIVE-Build-19628/yetus/new-findbugs-ql.html
|
| modules | C: serde ql U: . |
| Console output |
http://104.198.109.242/logs//PreCommit-HIVE-Build-19628/yetus.txt |
| Powered by | Apache Yetus http://yetus.apache.org |
This message was automatically generated.
> KeyWrapper comparator create field comparator instances at every comparison
> ----------------------------------------------------------------------------
>
> Key: HIVE-22507
> URL: https://issues.apache.org/jira/browse/HIVE-22507
> Project: Hive
> Issue Type: Bug
> Components: Physical Optimizer
> Reporter: Krisztian Kasa
> Assignee: Krisztian Kasa
> Priority: Major
> Fix For: 4.0.0
>
> Attachments: HIVE-22507.1.patch, HIVE-22507.2.patch,
> HIVE-22507.2.patch
>
>
> TopNKeyOperator.KeyWrapperComparator uses separate comparators for each field
> of the keys. Every time when TopNKeyOperator.KeyWrapperComparator.compare is
> called a new instance of the field operators are created.
> The field comparators should be created prior any comparison. Probably in the
> constructor of KeyWrapperComparator or during initializeOp.
> https://github.com/apache/hive/blob/fc81b8909b1a0e6aa15900387a98bccf38ae2247/serde/src/java/org/apache/hadoop/hive/serde2/objectinspector/ObjectInspectorUtils.java#L964
>
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