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https://issues.apache.org/jira/browse/FLINK-1040?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14206187#comment-14206187
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ASF GitHub Bot commented on FLINK-1040:
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Github user StephanEwen commented on the pull request:
https://github.com/apache/incubator-flink/pull/194#issuecomment-62519734
We can keep it source compatible by keeping the 'types()' call and
deprecating it. The call before would produce a ProjectedDataSet that is
already valid, and the deprecated types call could be added optionally.
> Make type() call in projections optional (or remove it)
> -------------------------------------------------------
>
> Key: FLINK-1040
> URL: https://issues.apache.org/jira/browse/FLINK-1040
> Project: Flink
> Issue Type: Improvement
> Components: Java API
> Reporter: Stephan Ewen
> Priority: Minor
> Labels: simple, starter
>
> I think the type() call should be optional. The compiler can also cast the
> data set directly and the result type is computed from the input types
> anyways.
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