org.apache.paimon.statistics

类 TruncateSimpleColStatsCollector

java.lang.Object

org.apache.paimon.statistics.AbstractSimpleColStatsCollector

org.apache.paimon.statistics.TruncateSimpleColStatsCollector

所有已实现的接口:

SimpleColStatsCollector

public class TruncateSimpleColStatsCollector
extends AbstractSimpleColStatsCollector

The truncate stats collector which will report null count, truncated min/max value. Currently, truncation only performs on the BinaryString value.

嵌套类概要

从接口继承的嵌套类/接口 org.apache.paimon.statistics.SimpleColStatsCollector

SimpleColStatsCollector.Factory

字段概要

字段

限定符和类型	字段和说明
static Pattern	TRUNCATE_PATTERN

从类继承的字段 org.apache.paimon.statistics.AbstractSimpleColStatsCollector

maxValue, minValue, nullCount

构造器概要

构造器

构造器和说明
TruncateSimpleColStatsCollector(int length)

方法概要

限定符和类型	方法和说明
void	collect(Object field, Serializer<Object> fieldSerializer) collect stats from the field.
SimpleColStats	convert(SimpleColStats source) Convert the col stats according to the strategy.
int	getLength()
SimpleColStats	result()

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.paimon.statistics.SimpleColStatsCollector

create, createFullStatsFactories, from

字段详细资料

TRUNCATE_PATTERN

public static final Pattern TRUNCATE_PATTERN

构造器详细资料

TruncateSimpleColStatsCollector

public TruncateSimpleColStatsCollector(int length)

方法详细资料

getLength

public int getLength()

collect

public void collect(Object field,
                    Serializer<Object> fieldSerializer)

从接口复制的说明: SimpleColStatsCollector

collect stats from the field.

参数:

field - The target field object.

fieldSerializer - The serializer of the field object.

convert

public SimpleColStats convert(SimpleColStats source)

从接口复制的说明: SimpleColStatsCollector

Convert the col stats according to the strategy.

参数:

source - The source col stats, extracted from the file.

返回:

The converted col stats.

result

public SimpleColStats result()

指定者:

result 在接口中 SimpleColStatsCollector

覆盖:

result 在类中 AbstractSimpleColStatsCollector

返回:

The collected col stats.