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

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

public class DecimalNumDistinctValueEstimator
extends NumDistinctValueEstimator

Constructor Summary

DecimalNumDistinctValueEstimator(int numBitVectors)

DecimalNumDistinctValueEstimator(String s, int numBitVectors)

Method Summary

void	addToEstimator(HiveDecimal decimal)
void	addToEstimatorPCSA(HiveDecimal decimal)

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

DecimalNumDistinctValueEstimator

public DecimalNumDistinctValueEstimator(int numBitVectors)

DecimalNumDistinctValueEstimator

public DecimalNumDistinctValueEstimator(String s,
                                        int numBitVectors)

Method Detail

addToEstimator

public void addToEstimator(HiveDecimal decimal)

addToEstimatorPCSA

public void addToEstimatorPCSA(HiveDecimal decimal)