org.apache.paimon.format

Class SimpleStatsCollector

java.lang.Object

org.apache.paimon.format.SimpleStatsCollector

public class SimpleStatsCollector
extends Object

Collector to extract statistics of each column from a series of records.

Constructor Summary

Constructors

Constructor and Description
SimpleStatsCollector(RowType rowType)
SimpleStatsCollector(RowType rowType, SimpleColStatsCollector.Factory[] collectorFactory)

Method Summary

Modifier and Type	Method and Description
void	collect(InternalRow row) Update the statistics with a new row data.
SimpleColStats[]	extract()
boolean	isDisabled()

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleStatsCollector

public SimpleStatsCollector(RowType rowType)

SimpleStatsCollector

public SimpleStatsCollector(RowType rowType,
                            SimpleColStatsCollector.Factory[] collectorFactory)

Method Detail

isDisabled

public boolean isDisabled()

collect

public void collect(InternalRow row)

Update the statistics with a new row data.

IMPORTANT: Fields of this row should NOT be reused, as they're directly stored in the collector.

extract

public SimpleColStats[] extract()