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https://issues.apache.org/jira/browse/FLINK-18840?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17174164#comment-17174164
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Nico Kruber commented on FLINK-18840:
-------------------------------------

[~danny0405] This is not about converting a whole statement set into a 
DataStream (that wouldn't make sense - the analogy is between Table and 
DataStream). It is also not about a functional shortcoming of the SQL APIs but 
rather the ability for the users to mix the APIs, e.g. have a 
{{ProcessFunction}} with fine-grained control over state and time after the 
rest of the SQL pipeline.

[~jark] not sure what you mean with returning a dummy DataStream. IMHO, It 
should still be usable like a normal DataStream, but I'm not that deep into the 
technical necessities  in the TableAPI, so maybe I'm just reading things wrong.

> Support StatementSet with DataStream API
> ----------------------------------------
>
>                 Key: FLINK-18840
>                 URL: https://issues.apache.org/jira/browse/FLINK-18840
>             Project: Flink
>          Issue Type: New Feature
>          Components: Table SQL / API
>            Reporter: Timo Walther
>            Priority: Major
>
> Currently, users of the {{StreamTableEnvironment}} cannot not translate a 
> {{StatementSet}} to DataStream API.



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