org.apache.paimon.statistics

Class CountsSimpleColStatsCollector

java.lang.Object

org.apache.paimon.statistics.AbstractSimpleColStatsCollector

org.apache.paimon.statistics.CountsSimpleColStatsCollector

All Implemented Interfaces:

SimpleColStatsCollector

public class CountsSimpleColStatsCollector
extends AbstractSimpleColStatsCollector

The counts stats collector, which will only report null count stats.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.paimon.statistics.SimpleColStatsCollector

SimpleColStatsCollector.Factory

Field Summary

Fields inherited from class org.apache.paimon.statistics.AbstractSimpleColStatsCollector

maxValue, minValue, nullCount

Constructor Summary

Constructors

Constructor and Description
CountsSimpleColStatsCollector()

Method Summary

Modifier and Type	Method and Description
void	collect(Object field, Serializer<Object> serializer) collect stats from the field.
SimpleColStats	convert(SimpleColStats source) Convert the col stats according to the strategy.

Methods inherited from class org.apache.paimon.statistics.AbstractSimpleColStatsCollector

result

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.paimon.statistics.SimpleColStatsCollector

create, createFullStatsFactories, from

Constructor Detail

CountsSimpleColStatsCollector

public CountsSimpleColStatsCollector()

Method Detail

collect

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

Description copied from interface: SimpleColStatsCollector

collect stats from the field.

Parameters:

field - The target field object.

serializer - The serializer of the field object.

convert

public SimpleColStats convert(SimpleColStats source)

Description copied from interface: SimpleColStatsCollector

Convert the col stats according to the strategy.

Parameters:

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

Returns:

The converted col stats.