org.tikv.common.statistics

Class ColumnStatistics

java.lang.Object

org.tikv.common.statistics.ColumnStatistics

public class ColumnStatistics
extends Object

Each Column will have a single ColumnStatistics to store Histogram info and CMSketch info, if any.

Constructor Summary

Constructors

Constructor and Description
ColumnStatistics(Histogram histogram, CMSketch cmSketch, long count, TiColumnInfo columnInfo)

Method Summary

Modifier and Type	Method and Description
CMSketch	getCmSketch()
TiColumnInfo	getColumnInfo()
long	getCount()
Histogram	getHistogram()
void	setCmSketch(CMSketch cmSketch)
void	setColumnInfo(TiColumnInfo columnInfo)
void	setCount(long count)
void	setHistogram(Histogram histogram)

Methods inherited from class java.lang.Object

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

Constructor Detail

ColumnStatistics

public ColumnStatistics(Histogram histogram,
                        CMSketch cmSketch,
                        long count,
                        TiColumnInfo columnInfo)

Method Detail

getHistogram

public Histogram getHistogram()

setHistogram

public void setHistogram(Histogram histogram)

getCmSketch

public CMSketch getCmSketch()

setCmSketch

public void setCmSketch(CMSketch cmSketch)

getCount

public long getCount()

setCount

public void setCount(long count)

getColumnInfo

public TiColumnInfo getColumnInfo()

setColumnInfo

public void setColumnInfo(TiColumnInfo columnInfo)