org.apache.flink.table.catalog.stats

Class CatalogColumnStatisticsDataString

java.lang.Object

org.apache.flink.table.catalog.stats.CatalogColumnStatisticsDataBase

org.apache.flink.table.catalog.stats.CatalogColumnStatisticsDataString

public class CatalogColumnStatisticsDataString
extends CatalogColumnStatisticsDataBase

Column statistics value of string type.

Constructor Summary

Constructors

Constructor and Description
CatalogColumnStatisticsDataString(long maxLength, double avgLength, long ndv, long nullCount)
CatalogColumnStatisticsDataString(long maxLength, double avgLength, long ndv, long nullCount, Map<String,String> properties)

Method Summary

Modifier and Type	Method and Description
CatalogColumnStatisticsDataString	copy() Create a deep copy of "this" instance.
double	getAvgLength()
long	getMaxLength()
long	getNdv()

Methods inherited from class org.apache.flink.table.catalog.stats.CatalogColumnStatisticsDataBase

getNullCount, getProperties

Methods inherited from class java.lang.Object

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

Constructor Detail

CatalogColumnStatisticsDataString

public CatalogColumnStatisticsDataString(long maxLength,
                                         double avgLength,
                                         long ndv,
                                         long nullCount)

CatalogColumnStatisticsDataString

public CatalogColumnStatisticsDataString(long maxLength,
                                         double avgLength,
                                         long ndv,
                                         long nullCount,
                                         Map<String,String> properties)

Method Detail

getMaxLength

public long getMaxLength()

getAvgLength

public double getAvgLength()

getNdv

public long getNdv()

copy

public CatalogColumnStatisticsDataString copy()

Description copied from class: CatalogColumnStatisticsDataBase

Create a deep copy of "this" instance.

Specified by:

copy in class CatalogColumnStatisticsDataBase

Returns:

a deep copy