Class FloatTopNColumnAggregatesProcessor
- java.lang.Object
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- org.apache.druid.query.topn.types.NullableNumericTopNColumnAggregatesProcessor<BaseFloatColumnValueSelector>
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- org.apache.druid.query.topn.types.FloatTopNColumnAggregatesProcessor
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- All Implemented Interfaces:
ColumnSelectorStrategy
,TopNColumnAggregatesProcessor<BaseFloatColumnValueSelector>
public class FloatTopNColumnAggregatesProcessor extends NullableNumericTopNColumnAggregatesProcessor<BaseFloatColumnValueSelector>
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Constructor Summary
Constructors Modifier Constructor Description protected
FloatTopNColumnAggregatesProcessor(Function<Object,Comparable<?>> converter)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
initAggregateStore()
Initializes the underlying aggregates store to something nice and seleector type appropriate-
Methods inherited from class org.apache.druid.query.topn.types.NullableNumericTopNColumnAggregatesProcessor
closeAggregators, getCardinality, getRowSelector, scanAndAggregate, updateResults
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Constructor Detail
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FloatTopNColumnAggregatesProcessor
protected FloatTopNColumnAggregatesProcessor(Function<Object,Comparable<?>> converter)
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Method Detail
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initAggregateStore
public void initAggregateStore()
Description copied from interface:TopNColumnAggregatesProcessor
Initializes the underlying aggregates store to something nice and seleector type appropriate
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