org.apache.paimon.statistics

Interface SimpleColStatsCollector

All Known Implementing Classes:

AbstractSimpleColStatsCollector, CountsSimpleColStatsCollector, FullSimpleColStatsCollector, NoneSimpleColStatsCollector, TruncateSimpleColStatsCollector

public interface SimpleColStatsCollector

The mode of the col stats.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	SimpleColStatsCollector.Factory Factory to create SimpleColStatsCollector.

Method Summary

Modifier and Type	Method and Description
void	collect(Object field, Serializer<Object> fieldSerializer) collect stats from the field.
SimpleColStats	convert(SimpleColStats source) Convert the col stats according to the strategy.
static SimpleColStatsCollector[]	create(SimpleColStatsCollector.Factory[] factories)
static SimpleColStatsCollector.Factory[]	createFullStatsFactories(int numFields)
static SimpleColStatsCollector.Factory	from(String option)
SimpleColStats	result()

Method Detail

collect

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

collect stats from the field.

Parameters:

field - The target field object.

fieldSerializer - The serializer of the field object.

result

SimpleColStats result()

Returns:

The collected col stats.

convert

SimpleColStats convert(SimpleColStats source)

Convert the col stats according to the strategy.

Parameters:

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

Returns:

The converted col stats.

create

static SimpleColStatsCollector[] create(SimpleColStatsCollector.Factory[] factories)

from

static SimpleColStatsCollector.Factory from(String option)

createFullStatsFactories

static SimpleColStatsCollector.Factory[] createFullStatsFactories(int numFields)