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https://issues.apache.org/jira/browse/FLINK-14625?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Flink Jira Bot updated FLINK-14625:
-----------------------------------
    Labels: auto-unassigned pull-request-available  (was: 
pull-request-available stale-assigned)

> Eliminate cross join in multi join to reduce cost 
> --------------------------------------------------
>
>                 Key: FLINK-14625
>                 URL: https://issues.apache.org/jira/browse/FLINK-14625
>             Project: Flink
>          Issue Type: Improvement
>          Components: Table SQL / Planner
>    Affects Versions: 1.9.1
>            Reporter: Leonard Xu
>            Assignee: Caizhi Weng
>            Priority: Major
>              Labels: auto-unassigned, pull-request-available
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> cross join always has  higher cost than other joins, if we can eliminate 
> cross join in multi join scene as much as possible,we can obtain  better 
> performance.



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