[jira] [Created] (FLINK-3664) Create a method to easily Summarize a DataSet

[Shang Yuanchun (Jira)]

Todd Lisonbee created FLINK-3664:
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             Summary: 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


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()



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