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https://issues.apache.org/jira/browse/FLINK-2303?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gábor Hermann resolved FLINK-2303.
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Resolution: Not A Problem
> Add count method to GroupedDataStream
> -------------------------------------
>
> Key: FLINK-2303
> URL: https://issues.apache.org/jira/browse/FLINK-2303
> Project: Flink
> Issue Type: Improvement
> Components: Streaming
> Reporter: Gábor Hermann
> Assignee: Gábor Hermann
> Priority: Minor
>
> As aggregations from DataStream was removed, the {{count}} method was also
> removed. A count method should be introduced to the {{GroupedDataStream<T>}}
> that returns a {{Tuple2<T, Long>}} of the latest element and number of the
> elements in the stream with the same key.
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