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https://issues.apache.org/jira/browse/FLINK-18840?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17174121#comment-17174121
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Danny Chen commented on FLINK-18840:
------------------------------------

I'm a little confused by this request, what is the case that user converts a 
whole statement set into a {{DataStream}} ? Is there any cases that SQL can not 
cover but only {{DataStream}} could ?

For the statement set itself, it is mainly designed for SQL, we can add some 
APIs to convert a {{DataStream}} into table so that the following statements 
can reference that table, somehow this is kind of unification of the API.

> 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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