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https://issues.apache.org/jira/browse/FLINK-2088?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14559077#comment-14559077
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Stephan Ewen commented on FLINK-2088:
-------------------------------------
Agree, it should be at least that.
In the batch API, we actually return even more concrete types, to allow users
to call methods that are only available on some operations.
Why not do the same thing in the streaming API?
> change return type of name function in DataStream scala class
> -------------------------------------------------------------
>
> Key: FLINK-2088
> URL: https://issues.apache.org/jira/browse/FLINK-2088
> Project: Flink
> Issue Type: Bug
> Components: Streaming
> Affects Versions: 0.9
> Reporter: Faye Beligianni
> Labels: Streaming
> Fix For: 0.9
>
>
> {{name}} function of {{DataStream}} scala class has a wrong return type:
> {code} DataStream[_] {code} when it should return a:{code}DataStream[T]
> {code}
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