org.tikv.common.statistics

类 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.

构造器概要

构造器

构造器和说明
ColumnStatistics(Histogram histogram, CMSketch cmSketch, long count, TiColumnInfo columnInfo)

方法概要

限定符和类型	方法和说明
CMSketch	getCmSketch()
TiColumnInfo	getColumnInfo()
long	getCount()
Histogram	getHistogram()
void	setCmSketch(CMSketch cmSketch)
void	setColumnInfo(TiColumnInfo columnInfo)
void	setCount(long count)
void	setHistogram(Histogram histogram)

从类继承的方法 java.lang.Object

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

构造器详细资料

ColumnStatistics

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

方法详细资料

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)