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https://issues.apache.org/jira/browse/HIVE-22975?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17051677#comment-17051677
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Hive QA commented on HIVE-22975:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12995588/HIVE-22975.1.patch
{color:green}SUCCESS:{color} +1 due to 1 test(s) being added or modified.
{color:green}SUCCESS:{color} +1 due to 18097 tests passed
Test results:
https://builds.apache.org/job/PreCommit-HIVE-Build/20952/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/20952/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-20952/
Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.YetusPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12995588 - PreCommit-HIVE-Build
> Optimise TopNKeyFilter with boundary checks
> -------------------------------------------
>
> Key: HIVE-22975
> URL: https://issues.apache.org/jira/browse/HIVE-22975
> Project: Hive
> Issue Type: Improvement
> Components: Hive
> Reporter: Rajesh Balamohan
> Assignee: Rajesh Balamohan
> Priority: Minor
> Attachments: HIVE-22975.1.patch, Screenshot 2020-03-04 at 3.26.45
> PM.jpg
>
>
> !Screenshot 2020-03-04 at 3.26.45 PM.jpg|width=507,height=322!
>
> It would be good to add boundary checks to reduce cycles spent on topN
> filter. E.g Q43 spends good amount of time in topN.
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