Uses of Interface
io.druid.segment.BaseObjectColumnValueSelector

Packages that use BaseObjectColumnValueSelector

Package	Description
io.druid.query.aggregation
io.druid.query.aggregation.cardinality
io.druid.query.aggregation.datasketches.theta
io.druid.query.aggregation.histogram
io.druid.query.aggregation.hyperloglog
io.druid.query.aggregation.variance
io.druid.query.select
io.druid.segment
io.druid.segment.historical
io.druid.segment.virtual

Uses of BaseObjectColumnValueSelector in io.druid.query.aggregation

Subinterfaces of BaseObjectColumnValueSelector in io.druid.query.aggregation

Modifier and Type	Interface and Description
interface	AggregateCombiner<T> AggregateCombiner is used to fold rollup aggregation results from serveral "rows" of different indexes during index merging (see IndexMerger).

Classes in io.druid.query.aggregation that implement BaseObjectColumnValueSelector

Modifier and Type	Class and Description
class	DoubleAggregateCombiner Specialization of AggregateCombiner for primitive double aggregations.
class	LongAggregateCombiner Specialization of AggregateCombiner for primitive long aggregations.
class	LongSumAggregateCombiner
class	ObjectAggregateCombiner<T> Specialization of AggregateCombiner for object aggregations.

Constructors in io.druid.query.aggregation with parameters of type BaseObjectColumnValueSelector

Constructor and Description
TimestampAggregator(String name, BaseObjectColumnValueSelector selector, TimestampSpec timestampSpec, Comparator<Long> comparator, Long initValue)
TimestampBufferAggregator(BaseObjectColumnValueSelector selector, TimestampSpec timestampSpec, Comparator<Long> comparator, Long initValue)

Constructor parameters in io.druid.query.aggregation with type arguments of type BaseObjectColumnValueSelector

Constructor and Description
JavaScriptAggregator(List<BaseObjectColumnValueSelector> selectorList, io.druid.query.aggregation.JavaScriptAggregator.ScriptAggregator script)
JavaScriptBufferAggregator(List<BaseObjectColumnValueSelector> selectorList, io.druid.query.aggregation.JavaScriptAggregator.ScriptAggregator script)

Uses of BaseObjectColumnValueSelector in io.druid.query.aggregation.cardinality

Classes in io.druid.query.aggregation.cardinality that implement BaseObjectColumnValueSelector

Modifier and Type	Class and Description
class	HyperLogLogCollectorAggregateCombiner

Uses of BaseObjectColumnValueSelector in io.druid.query.aggregation.datasketches.theta

Constructors in io.druid.query.aggregation.datasketches.theta with parameters of type BaseObjectColumnValueSelector

Constructor and Description
SketchAggregator(BaseObjectColumnValueSelector selector, int size)
SketchBufferAggregator(BaseObjectColumnValueSelector selector, int size, int maxIntermediateSize)

Uses of BaseObjectColumnValueSelector in io.druid.query.aggregation.histogram

Constructors in io.druid.query.aggregation.histogram with parameters of type BaseObjectColumnValueSelector

Constructor and Description
ApproximateHistogramFoldingAggregator(BaseObjectColumnValueSelector<ApproximateHistogram> selector, int resolution, float lowerLimit, float upperLimit)
ApproximateHistogramFoldingBufferAggregator(BaseObjectColumnValueSelector<ApproximateHistogram> selector, int resolution, float lowerLimit, float upperLimit)

Uses of BaseObjectColumnValueSelector in io.druid.query.aggregation.hyperloglog

Constructors in io.druid.query.aggregation.hyperloglog with parameters of type BaseObjectColumnValueSelector

Constructor and Description
HyperUniquesAggregator(BaseObjectColumnValueSelector selector)
HyperUniquesBufferAggregator(BaseObjectColumnValueSelector selector)

Uses of BaseObjectColumnValueSelector in io.druid.query.aggregation.variance

Constructors in io.druid.query.aggregation.variance with parameters of type BaseObjectColumnValueSelector

Constructor and Description
ObjectVarianceAggregator(BaseObjectColumnValueSelector selector)
ObjectVarianceAggregator(BaseObjectColumnValueSelector<?> selector)

Uses of BaseObjectColumnValueSelector in io.druid.query.select

Method parameters in io.druid.query.select with type arguments of type BaseObjectColumnValueSelector

Modifier and Type	Method and Description
static Map<String,Object>	SelectQueryEngine.singleEvent(String timestampKey, BaseLongColumnValueSelector timestampColumnSelector, List<ColumnSelectorPlus<SelectQueryEngine.SelectColumnSelectorStrategy>> selectorPlusList, Map<String,BaseObjectColumnValueSelector<?>> metSelectors)

Uses of BaseObjectColumnValueSelector in io.druid.segment

Subinterfaces of BaseObjectColumnValueSelector in io.druid.segment

Modifier and Type	Interface and Description
interface	ColumnValueSelector<T> Base type for interfaces that manage column value selection, e.g.
interface	DimensionSelector
interface	DoubleColumnSelector This interface is convenient for implementation of "double-sourcing" ColumnValueSelectors, it provides default implementations for all ColumnValueSelector's methods except BaseDoubleColumnValueSelector.getDouble().
interface	FloatColumnSelector This interface is convenient for implementation of "float-sourcing" ColumnValueSelectors, it provides default implementations for all ColumnValueSelector's methods except BaseFloatColumnValueSelector.getFloat().
interface	LongColumnSelector This interface is convenient for implementation of "long-sourcing" ColumnValueSelectors, it provides default implementations for all ColumnValueSelector's methods except BaseLongColumnValueSelector.getLong().
interface	ObjectColumnSelector<T> This interface is convenient for implementation of "object-sourcing" ColumnValueSelectors, it provides default implementations for all ColumnValueSelector's methods except getObject() and classOfObject().

Classes in io.druid.segment that implement BaseObjectColumnValueSelector

Modifier and Type	Class and Description
class	ConstantColumnValueSelector<T>
class	ConstantDimensionSelector
class	DoubleWrappingDimensionSelector
class	FloatWrappingDimensionSelector
class	LongWrappingDimensionSelector
class	NilColumnValueSelector Represents "absent" column.
class	NullDimensionSelector
class	SingleScanTimeDimSelector

Uses of BaseObjectColumnValueSelector in io.druid.segment.historical

Subinterfaces of BaseObjectColumnValueSelector in io.druid.segment.historical

Modifier and Type	Interface and Description
interface	HistoricalColumnSelector<T>
interface	HistoricalDimensionSelector Specialization for DimensionSelector queryable via offsets from HistoricalCursor.
interface	SingleValueHistoricalDimensionSelector

Uses of BaseObjectColumnValueSelector in io.druid.segment.virtual

Classes in io.druid.segment.virtual that implement BaseObjectColumnValueSelector

Modifier and Type	Class and Description
class	BaseSingleValueDimensionSelector
class	ExpressionColumnValueSelector
class	SingleLongInputCachingExpressionColumnValueSelector Like ExpressionColumnValueSelector, but caches the most recently computed value and re-uses it in the case of runs in the underlying column.
class	SingleStringInputCachingExpressionColumnValueSelector Like ExpressionColumnValueSelector, but caches results for the first CACHE_SIZE dictionary IDs of a string column.
class	SingleStringInputDimensionSelector A DimensionSelector decorator that computes an expression on top of it.