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https://issues.apache.org/jira/browse/FLINK-4029?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aljoscha Krettek closed FLINK-4029.
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Resolution: Won't Do
I'm closing this since there is no more activity and the code base has moved on
quite a bit. Please re-open this if you feel otherwise and work should
continue. We will not develop the DataSet API further.
> Multi-field "sum" function just like "keyBy"
> --------------------------------------------
>
> Key: FLINK-4029
> URL: https://issues.apache.org/jira/browse/FLINK-4029
> Project: Flink
> Issue Type: Improvement
> Components: API / DataStream
> Reporter: Rami
> Priority: Minor
>
> I can use keyBy as follows:
> stream.keyBy(“pojo.field1”,”pojo.field2”,…)
> Would make sense that I can use sum for example, to do its job for more than
> one field:
> stream.sum(“pojo.field1”,”pojo.field2”,…)
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