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https://issues.apache.org/jira/browse/FLINK-14361?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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godfrey he updated FLINK-14361:
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Fix Version/s: (was: 1.13.0)
> Decorrelate subQuery fail when multi correlate in project
> ---------------------------------------------------------
>
> Key: FLINK-14361
> URL: https://issues.apache.org/jira/browse/FLINK-14361
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Reporter: Jingsong Lee
> Assignee: godfrey he
> Priority: Major
>
> Blink planner run SQL:
> {code:java}
> SELECT (SELECT SUM(l.c) FROM l WHERE l.a = r.a and l.b = r.b) from r)
> {code}
> Will throw exception: unexpected correlate variable $cor
> But:
> {code:java}
> SELECT (SELECT SUM(l.c) FROM l WHERE l.a = r.a) from r){code}
> Single correlate in project can work.
>
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