org.apache.beam.sdk.extensions.sql.impl.transform

Class BeamAggregationTransforms.AggregationGroupByKeyFn

java.lang.Object

org.apache.beam.sdk.extensions.sql.impl.transform.BeamAggregationTransforms.AggregationGroupByKeyFn

All Implemented Interfaces:

java.io.Serializable, SerializableFunction<Row,Row>

Enclosing class:

BeamAggregationTransforms

public static class BeamAggregationTransforms.AggregationGroupByKeyFn
extends java.lang.Object
implements SerializableFunction<Row,Row>

extract group-by fields.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
AggregationGroupByKeyFn(Schema keySchema, int windowFieldIdx, org.apache.calcite.util.ImmutableBitSet groupSet)

Method Summary

Modifier and Type	Method and Description
Row	apply(Row input) Returns the result of invoking this function on the given input.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AggregationGroupByKeyFn

public AggregationGroupByKeyFn(Schema keySchema,
                               int windowFieldIdx,
                               org.apache.calcite.util.ImmutableBitSet groupSet)

Method Detail

apply

public Row apply(Row input)

Description copied from interface: SerializableFunction

Returns the result of invoking this function on the given input.

Specified by:

apply in interface SerializableFunction<Row,Row>