org.apache.hadoop.hive.ql.udf.generic

Class DoubleNumDistinctValueEstimator

java.lang.Object

org.apache.hadoop.hive.ql.udf.generic.NumDistinctValueEstimator

org.apache.hadoop.hive.ql.udf.generic.DoubleNumDistinctValueEstimator

public class DoubleNumDistinctValueEstimator
extends NumDistinctValueEstimator

Constructor Summary

Constructors

Constructor and Description
DoubleNumDistinctValueEstimator(int numBitVectors)
DoubleNumDistinctValueEstimator(String s, int numVectors)

Method Summary

Methods

Modifier and Type	Method and Description
void	addToEstimator(double d)
void	addToEstimatorPCSA(double d)

Methods inherited from class org.apache.hadoop.hive.ql.udf.generic.NumDistinctValueEstimator

addToEstimator, addToEstimator, addToEstimatorPCSA, addToEstimatorPCSA, estimateNumDistinctValues, estimateNumDistinctValuesPCSA, getBitVector, getBitVectorSize, getnumBitVectors, mergeEstimators, printNumDistinctValueEstimator, reset, serialize

Methods inherited from class java.lang.Object

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

Constructor Detail

DoubleNumDistinctValueEstimator

public DoubleNumDistinctValueEstimator(int numBitVectors)

DoubleNumDistinctValueEstimator

public DoubleNumDistinctValueEstimator(String s,
                               int numVectors)

Method Detail

addToEstimator

public void addToEstimator(double d)

Overrides:

addToEstimator in class NumDistinctValueEstimator

addToEstimatorPCSA

public void addToEstimatorPCSA(double d)

Overrides:

addToEstimatorPCSA in class NumDistinctValueEstimator