Gyula Fora created FLINK-1364:
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Summary: No simple way to group on the whole Tuple/element for
DataSets/Streams
Key: FLINK-1364
URL: https://issues.apache.org/jira/browse/FLINK-1364
Project: Flink
Issue Type: Improvement
Components: Java API, Scala API, Streaming
Affects Versions: 0.9
Reporter: Gyula Fora
Priority: Minor
Currently there is no simple way of grouping on the whole tuple/element. Right
now the user needs to specify a trivial keyselector which returns the element
itself.
I suggest to add a dedicated method for this functionality.
For instance if no arguments are passed to the groupBy call it would group on
the elements.
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