org.apache.datasketches.hive.tuple

Class DoubleSummarySketchToPercentileUDF

java.lang.Object

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

org.apache.datasketches.hive.tuple.DoubleSummarySketchToPercentileUDF

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

Constructor Summary

Constructors

Constructor and Description
DoubleSummarySketchToPercentileUDF()

Method Summary

Modifier and Type	Method and Description
Double	evaluate(org.apache.hadoop.io.BytesWritable serializedSketch, double percentile) Get percentile 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

DoubleSummarySketchToPercentileUDF

public DoubleSummarySketchToPercentileUDF()

Method Detail

evaluate

public Double evaluate(org.apache.hadoop.io.BytesWritable serializedSketch,
                       double percentile)

Get percentile from a given Sketch<DoubleSummary>

Parameters:

serializedSketch - DoubleSummarySketch in as serialized binary

percentile - normalized rank in percent

Returns:

percentile value