org.apache.flink.table.api.dataview

接口 DataView

所有已知实现类:

ListView, MapView

@PublicEvolving
public interface DataView

A DataView is a collection type that can be used in the accumulator of an ImperativeAggregateFunction.

Depending on the context in which the function is used, a DataView can be backed by a Java heap collection or a state backend.

另请参阅:

ListView, MapView

方法概要

限定符和类型	方法和说明
void	clear() Clears the DataView and removes all data.

方法详细资料

clear

void clear()

Clears the DataView and removes all data.