Uses of Interface
org.apache.druid.segment.BaseObjectColumnValueSelector

Packages that use BaseObjectColumnValueSelector

Package	Description
org.apache.druid.frame.field
org.apache.druid.frame.write
org.apache.druid.frame.write.cast
org.apache.druid.query.aggregation
org.apache.druid.query.aggregation.any
org.apache.druid.query.aggregation.cardinality
org.apache.druid.query.aggregation.firstlast
org.apache.druid.query.aggregation.firstlast.first
org.apache.druid.query.aggregation.firstlast.last
org.apache.druid.query.aggregation.hyperloglog
org.apache.druid.query.filter
org.apache.druid.segment
org.apache.druid.segment.filter
org.apache.druid.segment.historical
org.apache.druid.segment.incremental
org.apache.druid.segment.join
org.apache.druid.segment.join.table
org.apache.druid.segment.selector.settable
org.apache.druid.segment.shim
org.apache.druid.segment.virtual

Uses of BaseObjectColumnValueSelector in org.apache.druid.frame.field

Classes in org.apache.druid.frame.field that implement BaseObjectColumnValueSelector

Modifier and Type	Class	Description
class	NumericArrayFieldSelector<ElementType extends Number>	Base implementation of the column value selector that the concrete numeric field reader implementations inherit from.

Constructors in org.apache.druid.frame.field with parameters of type BaseObjectColumnValueSelector

Modifier	Constructor	Description
	StringArrayFieldWriter(BaseObjectColumnValueSelector<?> selector, boolean removeNullBytes)

Uses of BaseObjectColumnValueSelector in org.apache.druid.frame.write

Methods in org.apache.druid.frame.write with parameters of type BaseObjectColumnValueSelector

Modifier and Type	Method	Description
static List<ByteBuffer>	FrameWriterUtils.getUtf8ByteBuffersFromStringArraySelector(BaseObjectColumnValueSelector selector)	Retrieves UTF-8 byte buffers from a ColumnValueSelector, which is expected to be the kind of selector you get for an ARRAY<STRING> column.

Uses of BaseObjectColumnValueSelector in org.apache.druid.frame.write.cast

Classes in org.apache.druid.frame.write.cast that implement BaseObjectColumnValueSelector

Modifier and Type	Class	Description
class	ObjectToArrayColumnValueSelector	Wraps a ColumnValueSelector, calls getObject(), interprets that value using ExprEval.ofType(org.apache.druid.math.expr.ExpressionType, java.lang.Object), and casts it using ExprEval.castTo(org.apache.druid.math.expr.ExpressionType).
class	ObjectToNumberColumnValueSelector	Wraps a ColumnValueSelector, calls getObject() and provides primitive numeric accessors based on that object value.

Uses of BaseObjectColumnValueSelector in org.apache.druid.query.aggregation

Subinterfaces of BaseObjectColumnValueSelector in org.apache.druid.query.aggregation

Modifier and Type	Interface	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 org.apache.druid.query.aggregation that implement BaseObjectColumnValueSelector

Modifier and Type	Class	Description
class	DoubleAggregateCombiner	Specialization of AggregateCombiner for primitive double aggregations.
class	LongAggregateCombiner	Specialization of AggregateCombiner for primitive long aggregations.
final class	LongSumAggregateCombiner
final class	NullableNumericAggregateCombiner<T>	Null-aware numeric AggregateCombiner.
class	ObjectAggregateCombiner<T>	Specialization of AggregateCombiner for object aggregations.

Constructors in org.apache.druid.query.aggregation with parameters of type BaseObjectColumnValueSelector

Modifier	Constructor	Description
	ObjectColumnDoubleAggregatorWrapper(BaseObjectColumnValueSelector selector, Function<BaseDoubleColumnValueSelector,Aggregator> delegateBuilder, double nullValue)
	ObjectColumnDoubleBufferAggregatorWrapper(BaseObjectColumnValueSelector selector, Function<BaseDoubleColumnValueSelector,BufferAggregator> delegateBuilder, double nullValue)
	ObjectColumnFloatAggregatorWrapper(BaseObjectColumnValueSelector selector, Function<BaseFloatColumnValueSelector,Aggregator> delegateBuilder, float nullValue)
	ObjectColumnFloatBufferAggregatorWrapper(BaseObjectColumnValueSelector selector, Function<BaseFloatColumnValueSelector,BufferAggregator> delegateBuilder, float nullValue)
	ObjectColumnLongAggregatorWrapper(BaseObjectColumnValueSelector selector, Function<BaseLongColumnValueSelector,Aggregator> delegateBuilder, long nullValue)
	ObjectColumnLongBufferAggregatorWrapper(BaseObjectColumnValueSelector selector, Function<BaseLongColumnValueSelector,BufferAggregator> delegateBuilder, long nullValue)

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

Modifier	Constructor	Description
	JavaScriptAggregator(List<BaseObjectColumnValueSelector> selectorList, org.apache.druid.query.aggregation.JavaScriptAggregator.ScriptAggregator script)
	JavaScriptBufferAggregator(List<BaseObjectColumnValueSelector> selectorList, org.apache.druid.query.aggregation.JavaScriptAggregator.ScriptAggregator script)

Uses of BaseObjectColumnValueSelector in org.apache.druid.query.aggregation.any

Constructors in org.apache.druid.query.aggregation.any with parameters of type BaseObjectColumnValueSelector

Modifier	Constructor	Description
	StringAnyAggregator(BaseObjectColumnValueSelector valueSelector, int maxStringBytes, boolean aggregateMultipleValues)
	StringAnyBufferAggregator(BaseObjectColumnValueSelector valueSelector, int maxStringBytes, boolean aggregateMultipleValues)

Uses of BaseObjectColumnValueSelector in org.apache.druid.query.aggregation.cardinality

Classes in org.apache.druid.query.aggregation.cardinality that implement BaseObjectColumnValueSelector

Modifier and Type	Class	Description
final class	HyperLogLogCollectorAggregateCombiner

Uses of BaseObjectColumnValueSelector in org.apache.druid.query.aggregation.firstlast

Methods in org.apache.druid.query.aggregation.firstlast with parameters of type BaseObjectColumnValueSelector

Modifier and Type	Method	Description
static SerializablePairLongString	StringFirstLastUtils.readPairFromSelectors(BaseLongColumnValueSelector timeSelector, BaseObjectColumnValueSelector<?> valueSelector)
static boolean	FirstLastUtils.selectorNeedsFoldCheck(BaseObjectColumnValueSelector<?> valueSelector, ColumnCapabilities valueSelectorCapabilities, Class pairClass)	Returns whether a given value selector *might* contain object assignable from pairClass (SerializablePairLong*).

Uses of BaseObjectColumnValueSelector in org.apache.druid.query.aggregation.firstlast.first

Classes in org.apache.druid.query.aggregation.firstlast.first that implement BaseObjectColumnValueSelector

Modifier and Type	Class	Description
class	GenericFirstAggregateCombiner<T extends SerializablePair<Long,?>>

Constructors in org.apache.druid.query.aggregation.firstlast.first with parameters of type BaseObjectColumnValueSelector

Modifier	Constructor	Description
	StringFirstAggregator(BaseLongColumnValueSelector timeSelector, BaseObjectColumnValueSelector<?> valueSelector, int maxStringBytes, boolean needsFoldCheck)
	StringFirstBufferAggregator(BaseLongColumnValueSelector timeSelector, BaseObjectColumnValueSelector<?> valueSelector, int maxStringBytes, boolean needsFoldCheck)

Uses of BaseObjectColumnValueSelector in org.apache.druid.query.aggregation.firstlast.last

Classes in org.apache.druid.query.aggregation.firstlast.last that implement BaseObjectColumnValueSelector

Modifier and Type	Class	Description
class	GenericLastAggregateCombiner<T extends SerializablePair<Long,?>>

Constructors in org.apache.druid.query.aggregation.firstlast.last with parameters of type BaseObjectColumnValueSelector

Modifier	Constructor	Description
	StringLastAggregator(BaseLongColumnValueSelector timeSelector, BaseObjectColumnValueSelector<?> valueSelector, int maxStringBytes, boolean needsFoldCheck)
	StringLastBufferAggregator(BaseLongColumnValueSelector timeSelector, BaseObjectColumnValueSelector<?> valueSelector, int maxStringBytes, boolean needsFoldCheck)

Uses of BaseObjectColumnValueSelector in org.apache.druid.query.aggregation.hyperloglog

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

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

Uses of BaseObjectColumnValueSelector in org.apache.druid.query.filter

Methods in org.apache.druid.query.filter with parameters of type BaseObjectColumnValueSelector

Modifier and Type	Method	Description
ValueMatcher	EqualityFilter.TypedConstantValueMatcherFactory.makeArrayProcessor(BaseObjectColumnValueSelector<?> selector, ColumnCapabilities columnCapabilities)
ValueMatcher	EqualityFilter.TypedConstantValueMatcherFactory.makeComplexProcessor(BaseObjectColumnValueSelector<?> selector)

Uses of BaseObjectColumnValueSelector in org.apache.druid.segment

Subinterfaces of BaseObjectColumnValueSelector in org.apache.druid.segment

Modifier and Type	Interface	Description
interface	ColumnValueSelector<T>	Base type for interfaces that manage column value selection, e.g.
interface	DimensionSelector	Selector for a string-typed column, either single- or multi-valued.
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().

Classes in org.apache.druid.segment that implement BaseObjectColumnValueSelector

Modifier and Type	Class	Description
class	AbstractDimensionSelector	An abstract class that provides an implementation of AbstractDimensionSelector.getObject().
class	BaseSingleValueDimensionSelector
class	ConstantDimensionSelector
class	ConstantExprEvalSelector
class	ConstantMultiValueDimensionSelector
class	DoubleWrappingDimensionSelector
class	FloatWrappingDimensionSelector
class	LongWrappingDimensionSelector
class	NilColumnValueSelector	Represents "absent" column.
class	ObjectBasedColumnSelector<T>	Object based column selector.
class	ObjectColumnSelector<T>	Restricts selector usage to only allow getObject().
class	SingleScanTimeDimensionSelector	A special DimensionSelector for projected time columns - it assumes time values are scanned once and values are grouped together (i.e.

Methods in org.apache.druid.segment with parameters of type BaseObjectColumnValueSelector

Modifier and Type	Method	Description
T	ColumnProcessorFactory.makeArrayProcessor(BaseObjectColumnValueSelector<?> selector, ColumnCapabilities columnCapabilities)
T	ColumnProcessorFactory.makeComplexProcessor(BaseObjectColumnValueSelector<?> selector)	Create a processor for a complex column.

Uses of BaseObjectColumnValueSelector in org.apache.druid.segment.filter

Methods in org.apache.druid.segment.filter with parameters of type BaseObjectColumnValueSelector

Modifier and Type	Method	Description
static ValueMatcher	ValueMatchers.makeAlwaysFalseWithNullUnknownObjectMatcher(BaseObjectColumnValueSelector<?> selector)	Create a matcher that should always return false, except when includeUnknown is set, in which case only null values will be matched.
ValueMatcher	PredicateValueMatcherFactory.makeArrayProcessor(BaseObjectColumnValueSelector<?> selector, ColumnCapabilities columnCapabilities)
ValueMatcher	StringConstantValueMatcherFactory.makeArrayProcessor(BaseObjectColumnValueSelector<?> selector, ColumnCapabilities columnCapabilities)
ValueMatcher	PredicateValueMatcherFactory.makeComplexProcessor(BaseObjectColumnValueSelector<?> selector)
ValueMatcher	StringConstantValueMatcherFactory.makeComplexProcessor(BaseObjectColumnValueSelector<?> selector)

Uses of BaseObjectColumnValueSelector in org.apache.druid.segment.historical

Subinterfaces of BaseObjectColumnValueSelector in org.apache.druid.segment.historical

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

Uses of BaseObjectColumnValueSelector in org.apache.druid.segment.incremental

Classes in org.apache.druid.segment.incremental that implement BaseObjectColumnValueSelector

Modifier and Type	Class	Description
class	IncrementalIndexRowHolder	IncrementalIndexRowHolder is a simple IncrementalIndexRowHolder.get()/IncrementalIndexRowHolder.set(org.apache.druid.segment.incremental.IncrementalIndexRow) holder of IncrementalIndexRow.

Uses of BaseObjectColumnValueSelector in org.apache.druid.segment.join

Classes in org.apache.druid.segment.join that implement BaseObjectColumnValueSelector

Modifier and Type	Class	Description
class	PossiblyNullColumnValueSelector<T>	A ColumnValueSelector that wraps a base selector but might also generate null values on demand.
class	PossiblyNullDimensionSelector

Uses of BaseObjectColumnValueSelector in org.apache.druid.segment.join.table

Classes in org.apache.druid.segment.join.table that implement BaseObjectColumnValueSelector

Modifier and Type	Class	Description
class	IndexedTableColumnValueSelector
class	IndexedTableDimensionSelector

Uses of BaseObjectColumnValueSelector in org.apache.druid.segment.selector.settable

Subinterfaces of BaseObjectColumnValueSelector in org.apache.druid.segment.selector.settable

Modifier and Type	Interface	Description
interface	SettableColumnValueSelector<T>	SettableColumnValueSelectors are used in QueryableIndexIndexableAdapter.RowIteratorImpl.

Classes in org.apache.druid.segment.selector.settable that implement BaseObjectColumnValueSelector

Modifier and Type	Class	Description
class	SettableDimensionValueSelector	Settable implementation of DimensionSelector.
class	SettableDoubleColumnValueSelector
class	SettableFloatColumnValueSelector
class	SettableLongColumnValueSelector
class	SettableObjectColumnValueSelector<T>

Uses of BaseObjectColumnValueSelector in org.apache.druid.segment.shim

Classes in org.apache.druid.segment.shim that implement BaseObjectColumnValueSelector

Modifier and Type	Class	Description
class	ShimMultiValueDimensionSelector	Shim from MultiValueDimensionVectorSelector to ColumnValueSelector for a ShimCursor.
class	ShimNumericColumnValueSelector	Shim from VectorValueSelector to ColumnValueSelector for a ShimCursor.
class	ShimObjectColumnValueSelector	Shim from VectorObjectSelector to ColumnValueSelector for a ShimCursor.
class	ShimSingleValueDimensionSelector	Shim from SingleValueDimensionVectorSelector to ColumnValueSelector for a ShimCursor.
class	ShimVectorObjectDimSelector	DimensionSelector that internally uses a VectorObjectSelector.

Uses of BaseObjectColumnValueSelector in org.apache.druid.segment.virtual

Classes in org.apache.druid.segment.virtual that implement BaseObjectColumnValueSelector

Modifier and Type	Class	Description
class	BaseExpressionColumnValueSelector	Base class for many (although not all) ColumnValueSelector<ExprEval>.
class	ExpressionColumnValueSelector	Basic expression ColumnValueSelector.
class	ExpressionMultiValueDimensionSelector	Basic multi-value dimension selector for an Expr evaluating ColumnValueSelector.
static final class	NestedFieldVirtualColumn.FieldDimensionSelector	Create a DimensionSelector for a nested field on top of a ColumnValueSelector
class	RowBasedExpressionColumnValueSelector	Expression column value selector that examines a set of 'unknown' type input bindings on a row by row basis, transforming the expression to handle multi-value list typed inputs as they are encountered.
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	SingleStringInputDeferredEvaluationExpressionDimensionSelector	A DimensionSelector decorator that directly exposes the underlying dictionary id in SingleStringInputDeferredEvaluationExpressionDimensionSelector.getRow(), saving expression computation until SingleStringInputDeferredEvaluationExpressionDimensionSelector.lookupName(int) is called.