Inherited from Serializable
Inherited from Serializable
Inherited from Logging
Inherited from ImperativeAggregate
Inherited from AggregateFunction
Inherited from ImplicitCastInputTypes
Inherited from ExpectsInputTypes
Inherited from Expression
Inherited from TreeNode[Expression]
Inherited from Product
Inherited from Equals
Inherited from AnyRef
Inherited from Any
This class is a rough sketch of how to hook
Aggregator
into the Aggregation system. It has the following limitations:0
.