org.apache.flink.table.store.format

类 FieldStatsCollector

java.lang.Object

org.apache.flink.table.store.format.FieldStatsCollector

public class FieldStatsCollector
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
FieldStatsCollector(org.apache.flink.table.types.logical.RowType rowType)

方法概要

限定符和类型	方法和说明
void	collect(org.apache.flink.table.data.RowData row) Update the statistics with a new row data.
FieldStats[]	extract()

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

FieldStatsCollector

public FieldStatsCollector(org.apache.flink.table.types.logical.RowType rowType)

方法详细资料

collect

public void collect(org.apache.flink.table.data.RowData 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()