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Hive QA commented on HIVE-22507: -------------------------------- | (x) *{color:red}-1 overall{color}* | \\ \\ || 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} 2m 8s{color} | {color:blue} Maven dependency ordering for branch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 8m 48s{color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 32s{color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 59s{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. {color} | | {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 4m 5s{color} | {color:blue} ql in master has 1539 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 30s{color} | {color:blue} Maven dependency ordering for patch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 57s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 33s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m 33s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m 1s{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 39s{color} | {color:red} ql generated 1 new + 1539 unchanged - 0 fixed = 1540 total (was 1539) {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 21s{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} 32m 38s{color} | {color:black} {color} | \\ \\ || 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 63-80] | \\ \\ || 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-19497/dev-support/hive-personality.sh | | git revision | master / 44697f0 | | Default Java | 1.8.0_111 | | findbugs | v3.0.1 | | findbugs | http://104.198.109.242/logs//PreCommit-HIVE-Build-19497/yetus/new-findbugs-ql.html | | modules | C: serde ql U: . | | Console output | http://104.198.109.242/logs//PreCommit-HIVE-Build-19497/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 > > > 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 > -- This message was sent by Atlassian Jira (v8.3.4#803005)