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Package org.apache.druid.query.aggregation.first
Class Summary
Class
Description
DoubleFirstAggregator
DoubleFirstAggregatorFactory
DoubleFirstBufferAggregator
DoubleFirstVectorAggregator
FloatFirstAggregator
FloatFirstAggregatorFactory
FloatFirstBufferAggregator
FloatFirstVectorAggregator
LongFirstAggregator
LongFirstAggregatorFactory
LongFirstBufferAggregator
LongFirstVectorAggregator
NumericFirstAggregator
<TSelector extends
BaseNullableColumnValueSelector
>
Base type for on heap 'first' aggregator for primitive numeric column selectors
NumericFirstBufferAggregator
<TSelector extends
BaseNullableColumnValueSelector
>
Base type for buffer based 'first' aggregator for primitive numeric column selectors
NumericFirstVectorAggregator
Class for vectorized version of first/earliest aggregator over numeric types
SingleStringFirstDimensionVectorAggregator
StringFirstAggregateCombiner
StringFirstAggregator
StringFirstAggregatorFactory
StringFirstBufferAggregator
StringFirstFoldingAggregatorFactory
For backwards compatibility; equivalent to a regular StringFirstAggregatorFactory.
StringFirstLastUtils
StringFirstVectorAggregator