org.apache.paimon.format

类 TableStatsCollector

java.lang.Object

org.apache.paimon.format.TableStatsCollector

public class TableStatsCollector
extends Object

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

构造器概要

构造器

构造器和说明
TableStatsCollector(RowType rowType)
TableStatsCollector(RowType rowType, FieldStatsCollector.Factory[] collectorFactory)

方法概要

限定符和类型	方法和说明
void	collect(InternalRow row) Update the statistics with a new row data.
FieldStats[]	extract()
boolean	isDisabled()

从类继承的方法 java.lang.Object

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

构造器详细资料

TableStatsCollector

public TableStatsCollector(RowType rowType)

TableStatsCollector

public TableStatsCollector(RowType rowType,
                           FieldStatsCollector.Factory[] collectorFactory)

方法详细资料

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 FieldStats[] extract()