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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:
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Labels: auto-deprioritized-major auto-unassigned pull-request-available
(was: auto-unassigned pull-request-available stale-major)
Priority: Minor (was: Major)
This issue was labeled "stale-major" 7 ago and has not received any updates so
it is being deprioritized. If this ticket is actually Major, please raise the
priority and ask a committer to assign you the issue or revive the public
discussion.
> 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
> Priority: Minor
> Labels: auto-deprioritized-major, 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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