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https://issues.apache.org/jira/browse/FLINK-8387?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Flink Jira Bot updated FLINK-8387:
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Labels: auto-deprioritized-major auto-deprioritized-minor auto-unassigned
(was: auto-deprioritized-major auto-unassigned stale-minor)
Priority: Not a Priority (was: Minor)
This issue was labeled "stale-minor" 7 days ago and has not received any
updates so it is being deprioritized. If this ticket is actually Minor, please
raise the priority and ask a committer to assign you the issue or revive the
public discussion.
> Do not allow filter(false)
> --------------------------
>
> Key: FLINK-8387
> URL: https://issues.apache.org/jira/browse/FLINK-8387
> Project: Flink
> Issue Type: Improvement
> Components: Table SQL / API
> Reporter: Timo Walther
> Priority: Not a Priority
> Labels: auto-deprioritized-major, auto-deprioritized-minor,
> auto-unassigned
>
> Code like the following looks correct but actually produces unintended side
> effects:
> {code}
> left.join(right)
> .where('a == 'd)
> .select('a)
> {code}
> {{==}} is not converted into an expression but directly evaluated into a
> boolean expression and implicitly converted into an {{false}} literal.
> Instead of an exception this leads to an always rejecting table program. We
> should not allow filters with {{false}} literals.
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