程序包 org.apache.flink.table.api.dataview

接口概要

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

类概要

类	说明
ListView<T>	A DataView that provides List-like functionality in the accumulator of an AggregateFunction or TableAggregateFunction when large amounts of data are expected.
MapView<K,V>	A DataView that provides Map-like functionality in the accumulator of an AggregateFunction or TableAggregateFunction when large amounts of data are expected.