Order
base
OrderByLimit
base
OrderByLimitTimed
base
OutputArrayType
HopsAggregator
output
ColumnIndices
outputSchema
RowAggregator
outputType
ApproxDistinctCount ApproxPercentiles Average BaseAggregator Count FrequentItems Histogram Order OrderByLimit OrderByLimitTimed Sum TimeOrdered UniqueCount Variance BucketedColumnAggregator ColumnAggregator DirectColumnAggregator