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Hive QA commented on HIVE-20744: -------------------------------- | (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:green}+1{color} | {color:green} mvninstall {color} | {color:green} 7m 42s{color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 0s{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:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 3m 39s{color} | {color:blue} ql in master has 2315 extant Findbugs warnings. {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 54s{color} | {color:green} master passed {color} | || || || || {color:brown} Patch Compile Tests {color} || | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 22s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 2s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m 2s{color} | {color:green} the patch passed {color} | | {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m 38s{color} | {color:red} ql: The patch generated 21 new + 52 unchanged - 12 fixed = 73 total (was 64) {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 54s{color} | {color:red} ql generated 1 new + 2315 unchanged - 0 fixed = 2316 total (was 2315) {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 53s{color} | {color:green} the patch passed {color} | || || || || {color:brown} Other Tests {color} || | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 13s{color} | {color:green} The patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black} 22m 25s{color} | {color:black} {color} | \\ \\ || Reason || Tests || | FindBugs | module:ql | | | Redundant nullcheck of leftInputResult, which is known to be non-null in org.apache.hadoop.hive.ql.optimizer.calcite.stats.HiveRelMdRowCount.constraintsBasedAnalyzeJoinForPKFK(Join, RelMetadataQuery) Redundant null check at HiveRelMdRowCount.java:is known to be non-null in org.apache.hadoop.hive.ql.optimizer.calcite.stats.HiveRelMdRowCount.constraintsBasedAnalyzeJoinForPKFK(Join, RelMetadataQuery) Redundant null check at HiveRelMdRowCount.java:[line 360] | \\ \\ || 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_PreCommit-HIVE-Build-14711/dev-support/hive-personality.sh | | git revision | master / f3fab45 | | Default Java | 1.8.0_111 | | findbugs | v3.0.0 | | checkstyle | http://104.198.109.242/logs//PreCommit-HIVE-Build-14711/yetus/diff-checkstyle-ql.txt | | findbugs | http://104.198.109.242/logs//PreCommit-HIVE-Build-14711/yetus/new-findbugs-ql.html | | modules | C: ql U: ql | | Console output | http://104.198.109.242/logs//PreCommit-HIVE-Build-14711/yetus.txt | | Powered by | Apache Yetus http://yetus.apache.org | This message was automatically generated. > Use SQL constraints to improve join reordering algorithm > -------------------------------------------------------- > > Key: HIVE-20744 > URL: https://issues.apache.org/jira/browse/HIVE-20744 > Project: Hive > Issue Type: Bug > Components: CBO > Reporter: Jesus Camacho Rodriguez > Assignee: Jesus Camacho Rodriguez > Priority: Major > Attachments: HIVE-20744.01.patch, HIVE-20744.02.patch, > HIVE-20744.patch > > > Till now, it was all based on stats stored for the base tables and their > columns. Now the optimizer can rely on constraints. Hence, this patch is for > the join reordering costing to use constraints, and if it does not find any, > rely on old code path. -- This message was sent by Atlassian JIRA (v7.6.3#76005)