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

Class StatisticsColumnLocalDataView

java.lang.Object

org.apache.ignite.internal.processors.query.stat.view.StatisticsColumnLocalDataView

public class StatisticsColumnLocalDataView
extends Object

Statistics partition data view.

Constructor Summary

Constructors

Constructor and Description
StatisticsColumnLocalDataView(StatisticsKey key, String column, ObjectStatisticsImpl statistics) Constructor.

Method Summary

Modifier and Type	Method and Description
String	column()
long	distinct()
Timestamp	lastUpdateTime()
String	name()
long	nulls()
long	rowsCount()
String	schema()
int	size()
long	total()
String	type()
long	version()

Methods inherited from class java.lang.Object

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

Constructor Detail

StatisticsColumnLocalDataView

public StatisticsColumnLocalDataView(StatisticsKey key,
                                     String column,
                                     ObjectStatisticsImpl statistics)

Constructor.

Parameters:

key - Statistics key.

column - Column name.

statistics - Object local statistics.

Method Detail

schema

public String schema()

Returns:

Schema name.

type

public String type()

Returns:

Object type.

name

public String name()

Returns:

Object name.

column

public String column()

Returns:

Column name.

rowsCount

public long rowsCount()

Returns:

Object's row in the local node.

distinct

public long distinct()

Returns:

Number of distinct values in column.

nulls

public long nulls()

Returns:

Number of nulls values.

total

public long total()

Returns:

Total number of values in column in the local node.

size

public int size()

Returns:

Average size in bytes, for variable size only.

version

public long version()

Returns:

Statistic's version.

lastUpdateTime

public Timestamp lastUpdateTime()

Returns:

Last update time, milliseconds.