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

Constructors

Constructor and Description
StringNumDistinctValueEstimator(int numVectors)
StringNumDistinctValueEstimator(java.lang.String s, int numVectors)

Method Summary

Modifier and Type	Method and Description
void	addToEstimator(java.lang.String s)
void	addToEstimatorPCSA(java.lang.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

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

Constructor Detail

StringNumDistinctValueEstimator

public StringNumDistinctValueEstimator(int numVectors)

StringNumDistinctValueEstimator

public StringNumDistinctValueEstimator(java.lang.String s,
                                       int numVectors)

Method Detail

addToEstimator

public void addToEstimator(java.lang.String s)

addToEstimatorPCSA

public void addToEstimatorPCSA(java.lang.String s)