Uses of Package
io.druid.query.aggregation

Packages that use io.druid.query.aggregation

Package	Description
io.druid.benchmark.datagen
io.druid.client.indexing
io.druid.indexer
io.druid.indexing.common.task
io.druid.query
io.druid.query.aggregation
io.druid.query.aggregation.cardinality
io.druid.query.aggregation.datasketches.quantiles
io.druid.query.aggregation.datasketches.theta
io.druid.query.aggregation.datasketches.theta.oldapi
io.druid.query.aggregation.distinctcount
io.druid.query.aggregation.first
io.druid.query.aggregation.histogram
io.druid.query.aggregation.hyperloglog
io.druid.query.aggregation.last
io.druid.query.aggregation.post
io.druid.query.aggregation.teststats
io.druid.query.aggregation.variance
io.druid.query.datasourcemetadata
io.druid.query.groupby
io.druid.query.groupby.epinephelinae
io.druid.query.groupby.having
io.druid.query.groupby.orderby
io.druid.query.metadata
io.druid.query.metadata.metadata
io.druid.query.scan
io.druid.query.search
io.druid.query.select
io.druid.query.timeboundary
io.druid.query.timeseries
io.druid.query.topn
io.druid.query.topn.types
io.druid.segment
io.druid.segment.incremental
io.druid.segment.indexing
io.druid.sql.calcite.aggregation
io.druid.sql.calcite.rel

Classes in io.druid.query.aggregation used by io.druid.benchmark.datagen

Class and Description
AggregatorFactory AggregatorFactory is a strategy (in the terms of Design Patterns) that represents column aggregation, e.

Classes in io.druid.query.aggregation used by io.druid.client.indexing

Class and Description
AggregatorFactory AggregatorFactory is a strategy (in the terms of Design Patterns) that represents column aggregation, e.

Classes in io.druid.query.aggregation used by io.druid.indexer

Class and Description
AggregatorFactory AggregatorFactory is a strategy (in the terms of Design Patterns) that represents column aggregation, e.

Classes in io.druid.query.aggregation used by io.druid.indexing.common.task

Class and Description
AggregatorFactory AggregatorFactory is a strategy (in the terms of Design Patterns) that represents column aggregation, e.

Classes in io.druid.query.aggregation used by io.druid.query

Class and Description
AggregatorFactory AggregatorFactory is a strategy (in the terms of Design Patterns) that represents column aggregation, e.
MetricManipulationFn
PostAggregator Functionally similar to an Aggregator.

Classes in io.druid.query.aggregation used by io.druid.query.aggregation

Class and Description
AggregateCombiner AggregateCombiner is used to fold rollup aggregation results from serveral "rows" of different indexes during index merging (see IndexMerger).
Aggregator An Aggregator is an object that can aggregate metrics.
AggregatorFactory AggregatorFactory is a strategy (in the terms of Design Patterns) that represents column aggregation, e.
AggregatorFactoryNotMergeableException
BufferAggregator A BufferAggregator is an object that can aggregate metrics into a ByteBuffer.
Histogram
HistogramVisual
LongAggregateCombiner Specialization of AggregateCombiner for primitive long aggregations.
LongBufferAggregator
MetricManipulationFn
NoopAggregator
NoopBufferAggregator
PostAggregator Functionally similar to an Aggregator.
SimpleDoubleAggregatorFactory
SimpleDoubleBufferAggregator
SimpleFloatAggregatorFactory
SimpleFloatBufferAggregator
TimestampAggregatorFactory

Classes in io.druid.query.aggregation used by io.druid.query.aggregation.cardinality

Class and Description
AggregateCombiner AggregateCombiner is used to fold rollup aggregation results from serveral "rows" of different indexes during index merging (see IndexMerger).
Aggregator An Aggregator is an object that can aggregate metrics.
AggregatorFactory AggregatorFactory is a strategy (in the terms of Design Patterns) that represents column aggregation, e.
BufferAggregator A BufferAggregator is an object that can aggregate metrics into a ByteBuffer.
ObjectAggregateCombiner Specialization of AggregateCombiner for object aggregations.

Classes in io.druid.query.aggregation used by io.druid.query.aggregation.datasketches.quantiles

Class and Description
Aggregator An Aggregator is an object that can aggregate metrics.
AggregatorFactory AggregatorFactory is a strategy (in the terms of Design Patterns) that represents column aggregation, e.
AggregatorFactoryNotMergeableException
BufferAggregator A BufferAggregator is an object that can aggregate metrics into a ByteBuffer.
PostAggregator Functionally similar to an Aggregator.

Classes in io.druid.query.aggregation used by io.druid.query.aggregation.datasketches.theta

Class and Description
AggregateCombiner AggregateCombiner is used to fold rollup aggregation results from serveral "rows" of different indexes during index merging (see IndexMerger).
Aggregator An Aggregator is an object that can aggregate metrics.
AggregatorFactory AggregatorFactory is a strategy (in the terms of Design Patterns) that represents column aggregation, e.
AggregatorFactoryNotMergeableException
BufferAggregator A BufferAggregator is an object that can aggregate metrics into a ByteBuffer.
PostAggregator Functionally similar to an Aggregator.

Classes in io.druid.query.aggregation used by io.druid.query.aggregation.datasketches.theta.oldapi

Class and Description
AggregatorFactory AggregatorFactory is a strategy (in the terms of Design Patterns) that represents column aggregation, e.
PostAggregator Functionally similar to an Aggregator.

Classes in io.druid.query.aggregation used by io.druid.query.aggregation.distinctcount

Class and Description
AggregateCombiner AggregateCombiner is used to fold rollup aggregation results from serveral "rows" of different indexes during index merging (see IndexMerger).
Aggregator An Aggregator is an object that can aggregate metrics.
AggregatorFactory AggregatorFactory is a strategy (in the terms of Design Patterns) that represents column aggregation, e.
BufferAggregator A BufferAggregator is an object that can aggregate metrics into a ByteBuffer.

Classes in io.druid.query.aggregation used by io.druid.query.aggregation.first

Class and Description
AggregateCombiner AggregateCombiner is used to fold rollup aggregation results from serveral "rows" of different indexes during index merging (see IndexMerger).
Aggregator An Aggregator is an object that can aggregate metrics.
AggregatorFactory AggregatorFactory is a strategy (in the terms of Design Patterns) that represents column aggregation, e.
BufferAggregator A BufferAggregator is an object that can aggregate metrics into a ByteBuffer.

Classes in io.druid.query.aggregation used by io.druid.query.aggregation.histogram

Class and Description
AggregateCombiner AggregateCombiner is used to fold rollup aggregation results from serveral "rows" of different indexes during index merging (see IndexMerger).
Aggregator An Aggregator is an object that can aggregate metrics.
AggregatorFactory AggregatorFactory is a strategy (in the terms of Design Patterns) that represents column aggregation, e.
AggregatorFactoryNotMergeableException
BufferAggregator A BufferAggregator is an object that can aggregate metrics into a ByteBuffer.
PostAggregator Functionally similar to an Aggregator.

Classes in io.druid.query.aggregation used by io.druid.query.aggregation.hyperloglog

Class and Description
AggregateCombiner AggregateCombiner is used to fold rollup aggregation results from serveral "rows" of different indexes during index merging (see IndexMerger).
Aggregator An Aggregator is an object that can aggregate metrics.
AggregatorFactory AggregatorFactory is a strategy (in the terms of Design Patterns) that represents column aggregation, e.
AggregatorFactoryNotMergeableException
BufferAggregator A BufferAggregator is an object that can aggregate metrics into a ByteBuffer.
PostAggregator Functionally similar to an Aggregator.

Classes in io.druid.query.aggregation used by io.druid.query.aggregation.last

Class and Description
AggregateCombiner AggregateCombiner is used to fold rollup aggregation results from serveral "rows" of different indexes during index merging (see IndexMerger).
Aggregator An Aggregator is an object that can aggregate metrics.
AggregatorFactory AggregatorFactory is a strategy (in the terms of Design Patterns) that represents column aggregation, e.
BufferAggregator A BufferAggregator is an object that can aggregate metrics into a ByteBuffer.

Classes in io.druid.query.aggregation used by io.druid.query.aggregation.post

Class and Description
AggregatorFactory AggregatorFactory is a strategy (in the terms of Design Patterns) that represents column aggregation, e.
PostAggregator Functionally similar to an Aggregator.

Classes in io.druid.query.aggregation used by io.druid.query.aggregation.teststats

Class and Description
AggregatorFactory AggregatorFactory is a strategy (in the terms of Design Patterns) that represents column aggregation, e.
PostAggregator Functionally similar to an Aggregator.

Classes in io.druid.query.aggregation used by io.druid.query.aggregation.variance

Class and Description
AggregateCombiner AggregateCombiner is used to fold rollup aggregation results from serveral "rows" of different indexes during index merging (see IndexMerger).
Aggregator An Aggregator is an object that can aggregate metrics.
AggregatorFactory AggregatorFactory is a strategy (in the terms of Design Patterns) that represents column aggregation, e.
AggregatorFactoryNotMergeableException
BufferAggregator A BufferAggregator is an object that can aggregate metrics into a ByteBuffer.
PostAggregator Functionally similar to an Aggregator.

Classes in io.druid.query.aggregation used by io.druid.query.datasourcemetadata

Class and Description
MetricManipulationFn

Classes in io.druid.query.aggregation used by io.druid.query.groupby

Class and Description
AggregatorFactory AggregatorFactory is a strategy (in the terms of Design Patterns) that represents column aggregation, e.
MetricManipulationFn
PostAggregator Functionally similar to an Aggregator.

Classes in io.druid.query.aggregation used by io.druid.query.groupby.epinephelinae

Class and Description
AggregatorFactory AggregatorFactory is a strategy (in the terms of Design Patterns) that represents column aggregation, e.
BufferAggregator A BufferAggregator is an object that can aggregate metrics into a ByteBuffer.

Classes in io.druid.query.aggregation used by io.druid.query.groupby.having

Class and Description
AggregatorFactory AggregatorFactory is a strategy (in the terms of Design Patterns) that represents column aggregation, e.

Classes in io.druid.query.aggregation used by io.druid.query.groupby.orderby

Class and Description
AggregatorFactory AggregatorFactory is a strategy (in the terms of Design Patterns) that represents column aggregation, e.
PostAggregator Functionally similar to an Aggregator.

Classes in io.druid.query.aggregation used by io.druid.query.metadata

Class and Description
MetricManipulationFn

Classes in io.druid.query.aggregation used by io.druid.query.metadata.metadata

Class and Description
AggregatorFactory AggregatorFactory is a strategy (in the terms of Design Patterns) that represents column aggregation, e.

Classes in io.druid.query.aggregation used by io.druid.query.scan

Class and Description
MetricManipulationFn

Classes in io.druid.query.aggregation used by io.druid.query.search

Class and Description
MetricManipulationFn

Classes in io.druid.query.aggregation used by io.druid.query.select

Class and Description
MetricManipulationFn

Classes in io.druid.query.aggregation used by io.druid.query.timeboundary

Class and Description
MetricManipulationFn

Classes in io.druid.query.aggregation used by io.druid.query.timeseries

Class and Description
Aggregator An Aggregator is an object that can aggregate metrics.
AggregatorFactory AggregatorFactory is a strategy (in the terms of Design Patterns) that represents column aggregation, e.
MetricManipulationFn
PostAggregator Functionally similar to an Aggregator.

Classes in io.druid.query.aggregation used by io.druid.query.topn

Class and Description
Aggregator An Aggregator is an object that can aggregate metrics.
AggregatorFactory AggregatorFactory is a strategy (in the terms of Design Patterns) that represents column aggregation, e.
BufferAggregator A BufferAggregator is an object that can aggregate metrics into a ByteBuffer.
MetricManipulationFn
PostAggregator Functionally similar to an Aggregator.
SimpleDoubleBufferAggregator

Classes in io.druid.query.aggregation used by io.druid.query.topn.types

Class and Description
Aggregator An Aggregator is an object that can aggregate metrics.

Classes in io.druid.query.aggregation used by io.druid.segment

Class and Description
AggregatorFactory AggregatorFactory is a strategy (in the terms of Design Patterns) that represents column aggregation, e.

Classes in io.druid.query.aggregation used by io.druid.segment.incremental

Class and Description
Aggregator An Aggregator is an object that can aggregate metrics.
AggregatorFactory AggregatorFactory is a strategy (in the terms of Design Patterns) that represents column aggregation, e.
BufferAggregator A BufferAggregator is an object that can aggregate metrics into a ByteBuffer.
PostAggregator Functionally similar to an Aggregator.

Classes in io.druid.query.aggregation used by io.druid.segment.indexing

Class and Description
AggregatorFactory AggregatorFactory is a strategy (in the terms of Design Patterns) that represents column aggregation, e.

Classes in io.druid.query.aggregation used by io.druid.sql.calcite.aggregation

Class and Description
AggregatorFactory AggregatorFactory is a strategy (in the terms of Design Patterns) that represents column aggregation, e.
PostAggregator Functionally similar to an Aggregator.

Classes in io.druid.query.aggregation used by io.druid.sql.calcite.rel

Class and Description
AggregatorFactory AggregatorFactory is a strategy (in the terms of Design Patterns) that represents column aggregation, e.
PostAggregator Functionally similar to an Aggregator.