org.apache.datasketches.hive.tuple

Class ArrayOfDoublesSketchToEstimateAndErrorBoundsUDF

java.lang.Object

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

org.apache.datasketches.hive.tuple.ArrayOfDoublesSketchToEstimateAndErrorBoundsUDF

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

Constructor Summary

Constructors

Constructor and Description
ArrayOfDoublesSketchToEstimateAndErrorBoundsUDF()

Method Summary

Modifier and Type	Method and Description
List<Double>	evaluate(org.apache.hadoop.io.BytesWritable serializedSketch) Get estimate, lower and upper bounds from a given ArrayOfDoublesSketch

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

ArrayOfDoublesSketchToEstimateAndErrorBoundsUDF

public ArrayOfDoublesSketchToEstimateAndErrorBoundsUDF()

Method Detail

evaluate

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

Get estimate, lower and upper bounds from a given ArrayOfDoublesSketch

Parameters:

serializedSketch - ArrayOfDoublesSketch in as serialized binary

Returns:

estimate, lower bound and upper bound