[jira] [Updated] (FLINK-38586) ClassCastException when using Delta Join with lookup cache

["Ruan Hang (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-38586?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ruan Hang updated FLINK-38586:
------------------------------
    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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