Package org.apache.flink.table.catalog.stats

Class CatalogColumnStatistics

java.lang.Object

org.apache.flink.table.catalog.stats.CatalogColumnStatistics

@PublicEvolving
public class CatalogColumnStatistics
extends Object

Column statistics of a table or partition.

Field Summary

Fields

Modifier and Type	Field	Description
static final CatalogColumnStatistics	UNKNOWN

Constructor Summary

Constructors

Constructor	Description
CatalogColumnStatistics(Map<String,CatalogColumnStatisticsDataBase> columnStatisticsData)
CatalogColumnStatistics(Map<String,CatalogColumnStatisticsDataBase> columnStatisticsData, Map<String,String> properties)

Method Summary

Modifier and Type	Method	Description
CatalogColumnStatistics	copy()	Create a deep copy of "this" instance.
boolean	equals(Object o)
Map<String,CatalogColumnStatisticsDataBase>	getColumnStatisticsData()
Map<String,String>	getProperties()
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

UNKNOWN

public static final CatalogColumnStatistics UNKNOWN

Constructor Details

CatalogColumnStatistics

public CatalogColumnStatistics(Map<String,CatalogColumnStatisticsDataBase> columnStatisticsData)

CatalogColumnStatistics

public CatalogColumnStatistics(Map<String,CatalogColumnStatisticsDataBase> columnStatisticsData,
 Map<String,String> properties)

Method Details

getColumnStatisticsData

public Map<String,CatalogColumnStatisticsDataBase> getColumnStatisticsData()

getProperties

public Map<String,String> getProperties()

copy

public CatalogColumnStatistics copy()

Create a deep copy of "this" instance.

Returns:

a deep copy

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object