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https://issues.apache.org/jira/browse/FLINK-26060?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17490607#comment-17490607
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Dian Fu commented on FLINK-26060:
---------------------------------

[~slinkydeveloper] Just want to figure out the consequence of this ticket: does 
it mean that it supports version upgrade for Python UDFs in 1.14 and not 
supported in 1.15(as there is no much time left before the code freeze of 
1.15)? Besides, does it also mean that once FLINK-25231 is resolved, we need to 
add this back?

> Make Python specific exec nodes unsupported 
> --------------------------------------------
>
>                 Key: FLINK-26060
>                 URL: https://issues.apache.org/jira/browse/FLINK-26060
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Table SQL / Runtime
>            Reporter: Francesco Guardiani
>            Assignee: Francesco Guardiani
>            Priority: Major
>              Labels: pull-request-available
>
> These nodes are using the old type system, which is going to be removed soon. 
> We should avoid supporting them in the persisted plan, as we cannot commit to 
> support them. Once migrated to the new type system, PyFlink won't need these 
> nodes anymore and will just rely on Table new function stack. For more 
> details, also check https://issues.apache.org/jira/browse/FLINK-25231



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