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

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

public class StringNumDistinctValueEstimator
extends NumDistinctValueEstimator

Constructor Summary

StringNumDistinctValueEstimator(int numVectors)

StringNumDistinctValueEstimator(String s, int numVectors)

Method Summary

void	addToEstimator(String s)
void	addToEstimatorPCSA(String s)

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

StringNumDistinctValueEstimator

public StringNumDistinctValueEstimator(int numVectors)

StringNumDistinctValueEstimator

public StringNumDistinctValueEstimator(String s,
                                       int numVectors)

Method Detail

addToEstimator

public void addToEstimator(String s)

addToEstimatorPCSA

public void addToEstimatorPCSA(String s)