org.apache.ignite.internal.processors.query.stat.config

Class StatisticsColumnOverrides

java.lang.Object

org.apache.ignite.internal.processors.query.stat.config.StatisticsColumnOverrides

All Implemented Interfaces:

Serializable

public class StatisticsColumnOverrides
extends Object
implements Serializable

Configuration overrides.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
StatisticsColumnOverrides(Long nulls, Long distinct, Long total, Integer size) Constructor.

Method Summary

Modifier and Type	Method and Description
Long	distinct() Get number of distinct values in column.
boolean	equals(Object o)
int	hashCode()
Long	nulls() Get number of null values in column.
Integer	size() Get average size in bytes.
String	toString()
Long	total() Get total number of values in column.

Methods inherited from class java.lang.Object

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

Constructor Detail

StatisticsColumnOverrides

public StatisticsColumnOverrides(Long nulls,
                                 Long distinct,
                                 Long total,
                                 Integer size)

Constructor.

Parameters:

nulls - Number of null values or null to keep calculated value.

distinct - Number of distinct values or null to keep calculated value.

total - Total number of values in column or null to keep calculated value.

size - Average size in bytes or null to keep calculated value.

Method Detail

nulls

public Long nulls()

Get number of null values in column.

Returns:

Number of null values in column.

distinct

public Long distinct()

Get number of distinct values in column.

Returns:

Number of distinct values in column.

total

public Long total()

Get total number of values in column.

Returns:

Total number of values in column (including null's).

size

public Integer size()

Get average size in bytes.

Returns:

Average size in bytes.

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