org.apache.datasketches.hive.tuple

Class DoubleSummarySketchToEstimatesUDF

java.lang.Object

org.apache.hadoop.hive.ql.exec.UDF

org.apache.datasketches.hive.tuple.DoubleSummarySketchToEstimatesUDF

public class DoubleSummarySketchToEstimatesUDF
extends org.apache.hadoop.hive.ql.exec.UDF

Constructor Summary

Constructors

Constructor and Description
DoubleSummarySketchToEstimatesUDF()

Method Summary

Modifier and Type	Method and Description
List<Double>	evaluate(org.apache.hadoop.io.BytesWritable serializedSketch) Get estimates from a given Sketch<DoubleSummary>

Methods inherited from class org.apache.hadoop.hive.ql.exec.UDF

getRequiredFiles, getRequiredJars, getResolver, setResolver

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DoubleSummarySketchToEstimatesUDF

public DoubleSummarySketchToEstimatesUDF()

Method Detail

evaluate

public List<Double> evaluate(org.apache.hadoop.io.BytesWritable serializedSketch)

Get estimates from a given Sketch<DoubleSummary>

Parameters:

serializedSketch - DoubleSummarySketch in a serialized binary form

Returns:

list of estimates