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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:
----------------------------------
Labels: auto-deprioritized-major auto-unassigned stale-minor (was:
auto-deprioritized-major auto-unassigned)
I am the [Flink Jira Bot|https://github.com/apache/flink-jira-bot/] and I help
the community manage its development. I see this issues has been marked as
Minor but is unassigned and neither itself nor its Sub-Tasks have been updated
for 180 days. I have gone ahead and marked it "stale-minor". If this ticket is
still Minor, please either assign yourself or give an update. Afterwards,
please remove the label or in 7 days the issue will be deprioritized.
> 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: Minor
> Labels: auto-deprioritized-major, auto-unassigned, stale-minor
>
> 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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