| Class and Description | 
|---|
| AggregationSpecification Defines how rows should be grouped for creating aggregates. | 
| Class and Description | 
|---|
| AggregationSpecification Defines how rows should be grouped for creating aggregates. | 
| Class and Description | 
|---|
| AggregationSpecification Defines how rows should be grouped for creating aggregates. | 
| AggregationSpecification.Kind The  AggregationSpecificationkinds. | 
| AggregationSpecification.Serializer | 
| GroupingState GroupMakerstate. | 
| GroupingState.Serializer | 
| GroupMaker A  GroupMakercan be used to determine if some sorted rows belongs to the same group or not. | 
| Class and Description | 
|---|
| AggregationSpecification Defines how rows should be grouped for creating aggregates. | 
| GroupingState GroupMakerstate. | 
Copyright © 2018 The Apache Software Foundation