Package org.apache.flink.table.functions

Interface TableAggregateFunction.RetractableCollector<T>

All Superinterfaces:
org.apache.flink.util.Collector<T>
Enclosing class:
TableAggregateFunction<T,ACC>
@PublicEvolving public static interface TableAggregateFunction.RetractableCollector<T> extends org.apache.flink.util.Collector<T>
Collects a record and forwards it. The collector can output retract messages with the retract method. Note: This collector can only be used in the emitUpdateWithRetract() method.

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    retract(T record)
    Retract a record.

    Methods inherited from interface org.apache.flink.util.Collector

    close, collect

  • Method Details

    • retract

      void retract(T record)
      Retract a record.
      Parameters:
      record - The record to retract.