CatalogColumnStatisticsDataBase (Flink : 2.0-SNAPSHOT API)

java.lang.Object
- org.apache.flink.table.catalog.stats.CatalogColumnStatisticsDataBase

Direct Known Subclasses:

CatalogColumnStatisticsDataBinary, CatalogColumnStatisticsDataBoolean, CatalogColumnStatisticsDataDate, CatalogColumnStatisticsDataDouble, CatalogColumnStatisticsDataLong, CatalogColumnStatisticsDataString
```
@PublicEvolving
public abstract class CatalogColumnStatisticsDataBase
extends Object
```
Column statistics value base class.

Constructor Summary

Constructors
Constructor	Description
`CatalogColumnStatisticsDataBase(Long nullCount)`
`CatalogColumnStatisticsDataBase(Long nullCount, Map<String,String> properties)`

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`abstract CatalogColumnStatisticsDataBase`	`copy()`	Create a deep copy of "this" instance.
`Long`	`getNullCount()`
`Map<String,String>`	`getProperties()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CatalogColumnStatisticsDataBase

public CatalogColumnStatisticsDataBase(Long nullCount)

CatalogColumnStatisticsDataBase

public CatalogColumnStatisticsDataBase(Long nullCount,
                                       Map<String,String> properties)

Method Detail

getNullCount
```
public Long getNullCount()
```

getProperties

public Map<String,String> getProperties()

copy
```
public abstract CatalogColumnStatisticsDataBase copy()
```
Create a deep copy of "this" instance.

Returns:

a deep copy