org.apache.datasketches.hive.tuple

Class ArrayOfDoublesSketchToNumberOfRetainedEntriesUDF

java.lang.Object

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

org.apache.datasketches.hive.tuple.ArrayOfDoublesSketchToNumberOfRetainedEntriesUDF

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

Constructor Summary

Constructors

Constructor and Description
ArrayOfDoublesSketchToNumberOfRetainedEntriesUDF()

Method Summary

Modifier and Type	Method and Description
Integer	evaluate(org.apache.hadoop.io.BytesWritable serializedSketch) Get number of retained entries 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

ArrayOfDoublesSketchToNumberOfRetainedEntriesUDF

public ArrayOfDoublesSketchToNumberOfRetainedEntriesUDF()

Method Detail

evaluate

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

Get number of retained entries from a given ArrayOfDoublesSketch

Parameters:

serializedSketch - ArrayOfDoublesSketch in as serialized binary

Returns:

number of retained entries