[jira] [Assigned] (IMPALA-11274) CNF Rewrite causes a regress in join node performance

2022-05-09 Thread Kurt Deschler (Jira) 


 [ 
https://issues.apache.org/jira/browse/IMPALA-11274?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Kurt Deschler reassigned IMPALA-11274:
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Assignee: Michael Smith  (was: Qifan Chen)

> CNF Rewrite causes a regress in join node performance
> -
>
> Key: IMPALA-11274
> URL: https://issues.apache.org/jira/browse/IMPALA-11274
> Project: IMPALA
>  Issue Type: Bug
>  Components: Frontend
>Reporter: Qifan Chen
>Assignee: Michael Smith
>Priority: Major
>
> It appears that cnf rewrite can generate more predicates and presumably cause 
> the same query to execute slower.



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[jira] [Assigned] (IMPALA-11274) CNF Rewrite causes a regress in join node performance

2022-04-27 Thread Qifan Chen (Jira) 


 [ 
https://issues.apache.org/jira/browse/IMPALA-11274?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Qifan Chen reassigned IMPALA-11274:
---

Assignee: Qifan Chen

> CNF Rewrite causes a regress in join node performance
> -
>
> Key: IMPALA-11274
> URL: https://issues.apache.org/jira/browse/IMPALA-11274
> Project: IMPALA
>  Issue Type: Bug
>  Components: Frontend
>Reporter: Qifan Chen
>Assignee: Qifan Chen
>Priority: Major
>
> It appears that cnf rewrite can generate more predicates and presumably cause 
> the same query to execute slower.



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