Package org.apache.druid.query.topn.types

Interface Summary

Interface	Description
TopNColumnAggregatesProcessor<ValueSelectorType>	This ColumnSelectorStrategy is used by all TopNAlgorithm to provide selector value cardinality to TopNParams (perhaps unecessarily, but that is another matter), but is primarily used by HeapBasedTopNAlgorithm to serve as its value aggregates store.

Class Summary

Class	Description
DoubleTopNColumnAggregatesProcessor
FloatTopNColumnAggregatesProcessor
LongTopNColumnAggregatesProcessor
NullableNumericTopNColumnAggregatesProcessor<Selector extends BaseNullableColumnValueSelector>	Base TopNColumnAggregatesProcessor for BaseNullableColumnValueSelector.
StringTopNColumnAggregatesProcessor
TopNColumnAggregatesProcessorFactory