org.tikv.common.statistics

类 IndexStatistics

java.lang.Object

org.tikv.common.statistics.IndexStatistics

public class IndexStatistics
extends Object

Each Index will have a single IndexStatistics to store Histogram info and CMSketch info, if any.

构造器概要

构造器

构造器和说明
IndexStatistics(Histogram histogram, CMSketch cmSketch, TiIndexInfo indexInfo)

方法概要

限定符和类型	方法和说明
CMSketch	getCmSketch()
Histogram	getHistogram()
TiIndexInfo	getIndexInfo()
double	getRowCount(List<IndexRange> indexRanges)
void	setCmSketch(CMSketch cmSketch)
void	setHistogram(Histogram histogram)
void	setIndexInfo(TiIndexInfo indexInfo)

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

IndexStatistics

public IndexStatistics(Histogram histogram,
                       CMSketch cmSketch,
                       TiIndexInfo indexInfo)

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)

getIndexInfo

public TiIndexInfo getIndexInfo()

setIndexInfo

public void setIndexInfo(TiIndexInfo indexInfo)

getRowCount

public double getRowCount(List<IndexRange> indexRanges)