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

DoubleNumDistinctValueEstimator(int numBitVectors)

DoubleNumDistinctValueEstimator(String s, int numVectors)

Method Summary

void	addToEstimator(double d)
void	addToEstimatorPCSA(double d)

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

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

Methods inherited from class java.lang.Object

equals, 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)

addToEstimatorPCSA

public void addToEstimatorPCSA(double d)