org.apache.datasketches.hive.quantiles

Class GetKFromStringsSketchUDF

java.lang.Object

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

org.apache.datasketches.hive.quantiles.GetKFromStringsSketchUDF

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

Constructor Summary

Constructors

Constructor and Description
GetKFromStringsSketchUDF()

Method Summary

Modifier and Type	Method and Description
Integer	evaluate(org.apache.hadoop.io.BytesWritable serializedSketch) Returns parameter K from a given sketch

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

GetKFromStringsSketchUDF

public GetKFromStringsSketchUDF()

Method Detail

evaluate

public Integer evaluate(org.apache.hadoop.io.BytesWritable serializedSketch)

Returns parameter K from a given sketch

Parameters:

serializedSketch - serialized sketch

Returns:

parameter K