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https://issues.apache.org/jira/browse/HIVE-22637?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16995135#comment-16995135
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Hive QA commented on HIVE-22637:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12988686/HIVE-22637.1.patch
{color:red}ERROR:{color} -1 due to no test(s) being added or modified.
{color:green}SUCCESS:{color} +1 due to 17772 tests passed
Test results:
https://builds.apache.org/job/PreCommit-HIVE-Build/19904/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/19904/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-19904/
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: 12988686 - PreCommit-HIVE-Build
> Avoid cost based rules during generating expressions from AST
> -------------------------------------------------------------
>
> Key: HIVE-22637
> URL: https://issues.apache.org/jira/browse/HIVE-22637
> Project: Hive
> Issue Type: Improvement
> Components: Query Planning
> Reporter: Vineet Garg
> Assignee: Vineet Garg
> Priority: Major
> Attachments: HIVE-22637.1.patch
>
>
> genExprNode uses default dispatcher which fire rules based on cost,
> computation of cost is expensive and is likely un-necessary.
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