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Posted to issues@flink.apache.org by "Stephan Ewen (JIRA)" <ji...@apache.org> on 2016/01/15 11:55:39 UTC

[jira] [Closed] (FLINK-3219) Implement DataSet.count using a single operator

     [ https://issues.apache.org/jira/browse/FLINK-3219?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stephan Ewen closed FLINK-3219.
-------------------------------

> Implement DataSet.count using a single operator
> -----------------------------------------------
>
>                 Key: FLINK-3219
>                 URL: https://issues.apache.org/jira/browse/FLINK-3219
>             Project: Flink
>          Issue Type: Improvement
>            Reporter: Greg Hogan
>            Assignee: Greg Hogan
>            Priority: Minor
>             Fix For: 1.0.0
>
>
> {{DataSet.count}} is currently implemented using a {{FlatMapFunction}} followed by a {{DiscardingOutputFormat}}. As noted by [~StephanEwen] in [FLINK-2716] this can be done with only a {{RichOutputFormat}}.
> This change is also applicable to {{DataSet.collect}} and {{Utils.CollectHelper}}.



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