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https://issues.apache.org/jira/browse/FLINK-38586?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ruan Hang updated FLINK-38586:
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Fix Version/s: 2.2.0
> ClassCastException when using Delta Join with lookup cache
> ----------------------------------------------------------
>
> Key: FLINK-38586
> URL: https://issues.apache.org/jira/browse/FLINK-38586
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Runtime
> Affects Versions: 2.1.0
> Reporter: Stepan Stepanishchev
> Assignee: Stepan Stepanishchev
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.1.0, 2.2.0
>
> Attachments: image-2025-10-29-16-19-28-460.png
>
>
> Using delta join with lookup cache throws class cast exception. This happens
> because of this particular line:
> !image-2025-10-29-16-19-28-460.png|width=858,height=373!
> We check lookupFunction, but cast temporalTable. Not a single DeltaJoinTest
> covers these two ifs.
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