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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