[ https://issues.apache.org/jira/browse/HIVE-26618?focusedWorklogId=816014&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-816014 ]
ASF GitHub Bot logged work on HIVE-26618: ----------------------------------------- Author: ASF GitHub Bot Created on: 12/Oct/22 07:59 Start Date: 12/Oct/22 07:59 Worklog Time Spent: 10m Work Description: sonarcloud[bot] commented on PR #3659: URL: https://github.com/apache/hive/pull/3659#issuecomment-1275750480 Kudos, SonarCloud Quality Gate passed! [![Quality Gate passed](https://sonarsource.github.io/sonarcloud-github-static-resources/v2/checks/QualityGateBadge/passed-16px.png 'Quality Gate passed')](https://sonarcloud.io/dashboard?id=apache_hive&pullRequest=3659) [![Bug](https://sonarsource.github.io/sonarcloud-github-static-resources/v2/common/bug-16px.png 'Bug')](https://sonarcloud.io/project/issues?id=apache_hive&pullRequest=3659&resolved=false&types=BUG) [![A](https://sonarsource.github.io/sonarcloud-github-static-resources/v2/checks/RatingBadge/A-16px.png 'A')](https://sonarcloud.io/project/issues?id=apache_hive&pullRequest=3659&resolved=false&types=BUG) [0 Bugs](https://sonarcloud.io/project/issues?id=apache_hive&pullRequest=3659&resolved=false&types=BUG) [![Vulnerability](https://sonarsource.github.io/sonarcloud-github-static-resources/v2/common/vulnerability-16px.png 'Vulnerability')](https://sonarcloud.io/project/issues?id=apache_hive&pullRequest=3659&resolved=false&types=VULNERABILITY) [![A](https://sonarsource.github.io/sonarcloud-github-static-resources/v2/checks/RatingBadge/A-16px.png 'A')](https://sonarcloud.io/project/issues?id=apache_hive&pullRequest=3659&resolved=false&types=VULNERABILITY) [0 Vulnerabilities](https://sonarcloud.io/project/issues?id=apache_hive&pullRequest=3659&resolved=false&types=VULNERABILITY) [![Security Hotspot](https://sonarsource.github.io/sonarcloud-github-static-resources/v2/common/security_hotspot-16px.png 'Security Hotspot')](https://sonarcloud.io/project/security_hotspots?id=apache_hive&pullRequest=3659&resolved=false&types=SECURITY_HOTSPOT) [![A](https://sonarsource.github.io/sonarcloud-github-static-resources/v2/checks/RatingBadge/A-16px.png 'A')](https://sonarcloud.io/project/security_hotspots?id=apache_hive&pullRequest=3659&resolved=false&types=SECURITY_HOTSPOT) [0 Security Hotspots](https://sonarcloud.io/project/security_hotspots?id=apache_hive&pullRequest=3659&resolved=false&types=SECURITY_HOTSPOT) [![Code Smell](https://sonarsource.github.io/sonarcloud-github-static-resources/v2/common/code_smell-16px.png 'Code Smell')](https://sonarcloud.io/project/issues?id=apache_hive&pullRequest=3659&resolved=false&types=CODE_SMELL) [![A](https://sonarsource.github.io/sonarcloud-github-static-resources/v2/checks/RatingBadge/A-16px.png 'A')](https://sonarcloud.io/project/issues?id=apache_hive&pullRequest=3659&resolved=false&types=CODE_SMELL) [2 Code Smells](https://sonarcloud.io/project/issues?id=apache_hive&pullRequest=3659&resolved=false&types=CODE_SMELL) [![No Coverage information](https://sonarsource.github.io/sonarcloud-github-static-resources/v2/checks/CoverageChart/NoCoverageInfo-16px.png 'No Coverage information')](https://sonarcloud.io/component_measures?id=apache_hive&pullRequest=3659&metric=coverage&view=list) No Coverage information [![No Duplication information](https://sonarsource.github.io/sonarcloud-github-static-resources/v2/checks/Duplications/NoDuplicationInfo-16px.png 'No Duplication information')](https://sonarcloud.io/component_measures?id=apache_hive&pullRequest=3659&metric=duplicated_lines_density&view=list) No Duplication information Issue Time Tracking ------------------- Worklog Id: (was: 816014) Time Spent: 0.5h (was: 20m) > Add setting to turn on/off removing sections of a query plan known never > produces rows > -------------------------------------------------------------------------------------- > > Key: HIVE-26618 > URL: https://issues.apache.org/jira/browse/HIVE-26618 > Project: Hive > Issue Type: Improvement > Components: CBO > Reporter: Krisztian Kasa > Assignee: Krisztian Kasa > Priority: Major > Labels: pull-request-available > Fix For: 4.0.0, 4.0.0-alpha-2 > > Time Spent: 0.5h > Remaining Estimate: 0h > > HIVE-26524 introduced an optimization to remove sections of query plan known > never produces rows. > Add a setting into hive conf to turn on/off this optimization. > When the optimization is turned off restore the legacy behavior: > * represent empty result operator with {{HiveSortLimit}} 0 > * disable {{HiveRemoveEmptySingleRules}} -- This message was sent by Atlassian Jira (v8.20.10#820010)