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Todd Lisonbee updated FLINK-3664: --------------------------------- Attachment: DataSet-Summary-Design-March2016-v1.txt Attached is a first revision of a design. (I had started on another related ticket FLINK-3613 but I think FLINK-3664 would be better to do first) > Create a method to easily Summarize a DataSet > --------------------------------------------- > > Key: FLINK-3664 > URL: https://issues.apache.org/jira/browse/FLINK-3664 > Project: Flink > Issue Type: Improvement > Reporter: Todd Lisonbee > Attachments: DataSet-Summary-Design-March2016-v1.txt > > > Here is an example: > /** > * Summarize a DataSet of Tuples by collecting single pass statistics for all > columns > */ > public Tuple summarize() > Dataset<Tuple3<Double, String, Boolean>> input = // [...] > Tuple3<DoubleColumnSummary,StringColumnSummary,BooleanColumnSummary> summary > = input.summarize() > summary.getField(0).stddev() > summary.getField(1).maxStringLength() -- This message was sent by Atlassian JIRA (v6.3.4#6332)