Package org.apache.flink.table.api.dataview

Interface DataView

All Known Implementing Classes:
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.

See Also:

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    clear()
    Clears the DataView and removes all data.

  • Method Details

    • clear

      void clear()
      Clears the DataView and removes all data.