org.apache.flink.table.runtime.generated

Interface TableAggsHandleFunction

All Superinterfaces:

AggsHandleFunctionBase, org.apache.flink.api.common.functions.Function, Serializable

public interface TableAggsHandleFunction
extends AggsHandleFunctionBase

The base class for handling table aggregate functions.

It is code generated to handle all TableAggregateFunctions together in an aggregation.

It is the entry point for aggregate operators to operate all TableAggregateFunctions.

Method Summary

Modifier and Type	Method and Description
void	emitValue(org.apache.flink.util.Collector<org.apache.flink.table.data.RowData> out, org.apache.flink.table.data.RowData currentKey, boolean isRetract) Emit the result of the table aggregation through the collector.

Methods inherited from interface org.apache.flink.table.runtime.generated.AggsHandleFunctionBase

accumulate, cleanup, close, createAccumulators, getAccumulators, merge, open, resetAccumulators, retract, setAccumulators

Method Detail

emitValue

void emitValue(org.apache.flink.util.Collector<org.apache.flink.table.data.RowData> out,
               org.apache.flink.table.data.RowData currentKey,
               boolean isRetract)
        throws Exception

Emit the result of the table aggregation through the collector.

Parameters:

out - the collector used to emit records.

currentKey - the current group key.

isRetract - the retraction flag which indicates whether emit retract values.

Throws:

Exception