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

java.lang.Object
  org.apache.hadoop.hive.ql.udf.generic.NumDistinctValueEstimator
      org.apache.hadoop.hive.ql.udf.generic.LongNumDistinctValueEstimator

public class LongNumDistinctValueEstimator
extends NumDistinctValueEstimator

Constructor Summary

LongNumDistinctValueEstimator(int numBitVectors)

LongNumDistinctValueEstimator(String s, int numVectors)

Method Summary

void	addToEstimator(long v)
void	addToEstimatorPCSA(long v)

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

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

LongNumDistinctValueEstimator

public LongNumDistinctValueEstimator(int numBitVectors)

LongNumDistinctValueEstimator

public LongNumDistinctValueEstimator(String s,
                                     int numVectors)

Method Detail

addToEstimator

public void addToEstimator(long v)

Overrides:

addToEstimator in class NumDistinctValueEstimator

addToEstimatorPCSA

public void addToEstimatorPCSA(long v)

Overrides:

addToEstimatorPCSA in class NumDistinctValueEstimator