[ https://issues.apache.org/jira/browse/FLINK-23758 ]
Bettle deleted comment on FLINK-23758:
--------------------------------
was (Author: JIRAUSER313759):
Thanks for confirming the approach and assigning the issue to me!
I’ll start working on the fix and the corresponding regression tests. Recently,
I’ve also been working on production-oriented PyFlink features and improving
PyFlink’s usability in real-world Flink workloads, so I’m particularly
interested in contributing to this area.
I’ll keep the ticket updated and share the implementation once it is ready.
Thanks!
> PyFlink __invert__ has wrong semantics
> --------------------------------------
>
> Key: FLINK-23758
> URL: https://issues.apache.org/jira/browse/FLINK-23758
> Project: Flink
> Issue Type: Bug
> Components: API / Python
> Affects Versions: 1.13.2
> Reporter: Ingo Bürk
> Assignee: Bettle
> Priority: Minor
>
> PyFlink currently implements __invert__ using IS NOT TRUE. However, IS NOT
> TRUE and NOT behave differently for NULL values.
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