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

Packages that use ColumnValueSelector

Package	Description
org.apache.druid.frame.field
org.apache.druid.frame.processor
org.apache.druid.frame.segment.row
org.apache.druid.frame.util
org.apache.druid.frame.write
org.apache.druid.frame.write.columnar
org.apache.druid.query
org.apache.druid.query.aggregation
org.apache.druid.query.aggregation.cardinality
org.apache.druid.query.aggregation.cardinality.types
org.apache.druid.query.aggregation.first
org.apache.druid.query.aggregation.last
org.apache.druid.query.aggregation.mean
org.apache.druid.query.dimension
org.apache.druid.query.groupby.epinephelinae.column
org.apache.druid.query.topn
org.apache.druid.query.topn.types
org.apache.druid.segment
org.apache.druid.segment.column
org.apache.druid.segment.data
org.apache.druid.segment.historical
org.apache.druid.segment.incremental
org.apache.druid.segment.join
org.apache.druid.segment.join.filter
org.apache.druid.segment.join.lookup
org.apache.druid.segment.join.table
org.apache.druid.segment.nested
org.apache.druid.segment.selector.settable
org.apache.druid.segment.serde
org.apache.druid.segment.virtual

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

Methods in org.apache.druid.frame.field that return ColumnValueSelector

Modifier and Type	Method and Description
ColumnValueSelector<?>	DoubleFieldReader.makeColumnValueSelector(org.apache.datasketches.memory.Memory memory, ReadableFieldPointer fieldPointer)
ColumnValueSelector<?>	LongFieldReader.makeColumnValueSelector(org.apache.datasketches.memory.Memory memory, ReadableFieldPointer fieldPointer)
ColumnValueSelector<?>	ComplexFieldReader.makeColumnValueSelector(org.apache.datasketches.memory.Memory memory, ReadableFieldPointer fieldPointer)
ColumnValueSelector<?>	FieldReader.makeColumnValueSelector(org.apache.datasketches.memory.Memory memory, ReadableFieldPointer fieldPointer) Create a ColumnValueSelector backed by some memory and a moveable pointer.
ColumnValueSelector<?>	StringFieldReader.makeColumnValueSelector(org.apache.datasketches.memory.Memory memory, ReadableFieldPointer fieldPointer)
ColumnValueSelector<?>	FloatFieldReader.makeColumnValueSelector(org.apache.datasketches.memory.Memory memory, ReadableFieldPointer fieldPointer)

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

Constructor and Description
StringArrayFieldWriter(ColumnValueSelector<List<String>> selector)

Uses of ColumnValueSelector in org.apache.druid.frame.processor

Methods in org.apache.druid.frame.processor that return ColumnValueSelector

Modifier and Type	Method and Description
ColumnValueSelector	MultiColumnSelectorFactory.makeColumnValueSelector(String columnName)

Uses of ColumnValueSelector in org.apache.druid.frame.segment.row

Methods in org.apache.druid.frame.segment.row that return ColumnValueSelector

Modifier and Type	Method and Description
ColumnValueSelector	FrameColumnSelectorFactory.makeColumnValueSelector(String columnName)

Uses of ColumnValueSelector in org.apache.druid.frame.util

Methods in org.apache.druid.frame.util that return ColumnValueSelector

Modifier and Type	Method and Description
ColumnValueSelector<?>	SettableLongVirtualColumn.makeColumnValueSelector(String columnName, ColumnSelectorFactory factory)

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

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

Modifier and Type	Method and Description
static List<ByteBuffer>	FrameWriterUtils.getUtf8ByteBuffersFromStringArraySelector(ColumnValueSelector 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 ColumnValueSelector in org.apache.druid.frame.write.columnar

Classes in org.apache.druid.frame.write.columnar with type parameters of type ColumnValueSelector

Modifier and Type	Class and Description
class	StringFrameColumnWriter<T extends ColumnValueSelector>

Uses of ColumnValueSelector in org.apache.druid.query

Methods in org.apache.druid.query that return ColumnValueSelector

Modifier and Type	Method and Description
ColumnValueSelector	ColumnSelectorPlus.getSelector()

Constructors in org.apache.druid.query with parameters of type ColumnValueSelector

Constructor and Description
ColumnSelectorPlus(String columnName, String outputName, ColumnSelectorStrategyClass columnSelectorStrategy, ColumnValueSelector selector)

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

Subinterfaces of ColumnValueSelector in org.apache.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 org.apache.druid.query.aggregation that implement ColumnValueSelector

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	NullableNumericAggregateCombiner<T> Null-aware numeric AggregateCombiner.
class	ObjectAggregateCombiner<T> Specialization of AggregateCombiner for object aggregations.

Methods in org.apache.druid.query.aggregation that return ColumnValueSelector

Modifier and Type	Method and Description
protected ColumnValueSelector	SimpleLongAggregatorFactory.selector(ColumnSelectorFactory metricFactory)
protected ColumnValueSelector	SimpleDoubleAggregatorFactory.selector(ColumnSelectorFactory metricFactory)
protected ColumnValueSelector	SimpleFloatAggregatorFactory.selector(ColumnSelectorFactory metricFactory)

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

Modifier and Type	Method and Description
protected Aggregator	SimpleLongAggregatorFactory.factorize(ColumnSelectorFactory metricFactory, ColumnValueSelector selector)
protected Aggregator	SimpleDoubleAggregatorFactory.factorize(ColumnSelectorFactory metricFactory, ColumnValueSelector selector)
protected Aggregator	SimpleFloatAggregatorFactory.factorize(ColumnSelectorFactory metricFactory, ColumnValueSelector selector)
protected BufferAggregator	SimpleLongAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory, ColumnValueSelector selector)
protected BufferAggregator	SimpleDoubleAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory, ColumnValueSelector selector)
protected BufferAggregator	SimpleFloatAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory, ColumnValueSelector selector)
void	LongSumAggregateCombiner.fold(ColumnValueSelector selector)
void	NullableNumericAggregateCombiner.fold(ColumnValueSelector selector)
void	AggregateCombiner.fold(ColumnValueSelector selector) Folds this AggregateCombiner's state value with the value of the given selector and saves it in this AggregateCombiner's state, e.
void	LongSumAggregateCombiner.reset(ColumnValueSelector selector)
void	NullableNumericAggregateCombiner.reset(ColumnValueSelector selector)
void	AggregateCombiner.reset(ColumnValueSelector selector) Resets this AggregateCombiner's state value to the value of the given selector, e.
void	SerializablePairLongStringColumnSerializer.serialize(ColumnValueSelector<? extends SerializablePairLongString> selector)

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

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

Modifier and Type	Class and Description
class	HyperLogLogCollectorAggregateCombiner

Methods in org.apache.druid.query.aggregation.cardinality with parameters of type ColumnValueSelector

Modifier and Type	Method and Description
void	HyperLogLogCollectorAggregateCombiner.fold(ColumnValueSelector selector)
void	HyperLogLogCollectorAggregateCombiner.reset(ColumnValueSelector selector)

Uses of ColumnValueSelector in org.apache.druid.query.aggregation.cardinality.types

Methods in org.apache.druid.query.aggregation.cardinality.types with parameters of type ColumnValueSelector

Modifier and Type	Method and Description
CardinalityAggregatorColumnSelectorStrategy	CardinalityAggregatorColumnSelectorStrategyFactory.makeColumnSelectorStrategy(ColumnCapabilities capabilities, ColumnValueSelector selector)

Uses of ColumnValueSelector in org.apache.druid.query.aggregation.first

Classes in org.apache.druid.query.aggregation.first that implement ColumnValueSelector

Modifier and Type	Class and Description
class	StringFirstAggregateCombiner

Methods in org.apache.druid.query.aggregation.first with parameters of type ColumnValueSelector

Modifier and Type	Method and Description
void	StringFirstAggregateCombiner.fold(ColumnValueSelector selector)
void	StringFirstAggregateCombiner.reset(ColumnValueSelector selector)

Uses of ColumnValueSelector in org.apache.druid.query.aggregation.last

Classes in org.apache.druid.query.aggregation.last that implement ColumnValueSelector

Modifier and Type	Class and Description
class	StringLastAggregateCombiner

Methods in org.apache.druid.query.aggregation.last with parameters of type ColumnValueSelector

Modifier and Type	Method and Description
void	StringLastAggregateCombiner.fold(ColumnValueSelector selector)
void	StringLastAggregateCombiner.reset(ColumnValueSelector selector)

Uses of ColumnValueSelector in org.apache.druid.query.aggregation.mean

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

Constructor and Description
DoubleMeanAggregator(ColumnValueSelector selector)
DoubleMeanBufferAggregator(ColumnValueSelector selector)

Uses of ColumnValueSelector in org.apache.druid.query.dimension

Methods in org.apache.druid.query.dimension with parameters of type ColumnValueSelector

Modifier and Type	Method and Description
ColumnSelectorStrategyClass	ColumnSelectorStrategyFactory.makeColumnSelectorStrategy(ColumnCapabilities capabilities, ColumnValueSelector selector)

Uses of ColumnValueSelector in org.apache.druid.query.groupby.epinephelinae.column

Methods in org.apache.druid.query.groupby.epinephelinae.column with parameters of type ColumnValueSelector

Modifier and Type	Method and Description
protected abstract int	ArrayNumericGroupByColumnSelectorStrategy.computeDictionaryId(ColumnValueSelector selector)
protected int	ArrayDoubleGroupByColumnSelectorStrategy.computeDictionaryId(ColumnValueSelector selector)
protected int	ArrayLongGroupByColumnSelectorStrategy.computeDictionaryId(ColumnValueSelector selector)
int	DictionaryBuildingStringGroupByColumnSelectorStrategy.initColumnValues(ColumnValueSelector selector, int columnIndex, Object[] valuess)
int	DoubleGroupByColumnSelectorStrategy.initColumnValues(ColumnValueSelector selector, int columnIndex, Object[] values)
int	ArrayStringGroupByColumnSelectorStrategy.initColumnValues(ColumnValueSelector selector, int columnIndex, Object[] valuess)
int	FloatGroupByColumnSelectorStrategy.initColumnValues(ColumnValueSelector selector, int columnIndex, Object[] valuess)
int	StringGroupByColumnSelectorStrategy.initColumnValues(ColumnValueSelector selector, int columnIndex, Object[] valuess)
int	ArrayNumericGroupByColumnSelectorStrategy.initColumnValues(ColumnValueSelector selector, int columnIndex, Object[] valuess)
int	NullableNumericGroupByColumnSelectorStrategy.initColumnValues(ColumnValueSelector selector, int columnIndex, Object[] values)
int	GroupByColumnSelectorStrategy.initColumnValues(ColumnValueSelector selector, int columnIndex, Object[] valuess) Retrieve a row object from the ColumnValueSelector and put it in valuess at columnIndex.
int	LongGroupByColumnSelectorStrategy.initColumnValues(ColumnValueSelector selector, int columnIndex, Object[] valuess)
int	DictionaryBuildingStringGroupByColumnSelectorStrategy.writeToKeyBuffer(int keyBufferPosition, ColumnValueSelector selector, ByteBuffer keyBuffer)
int	DoubleGroupByColumnSelectorStrategy.writeToKeyBuffer(int keyBufferPosition, ColumnValueSelector selector, ByteBuffer keyBuffer)
int	ArrayStringGroupByColumnSelectorStrategy.writeToKeyBuffer(int keyBufferPosition, ColumnValueSelector selector, ByteBuffer keyBuffer)
int	FloatGroupByColumnSelectorStrategy.writeToKeyBuffer(int keyBufferPosition, ColumnValueSelector selector, ByteBuffer keyBuffer)
int	StringGroupByColumnSelectorStrategy.writeToKeyBuffer(int keyBufferPosition, ColumnValueSelector selector, ByteBuffer keyBuffer)
int	ArrayNumericGroupByColumnSelectorStrategy.writeToKeyBuffer(int keyBufferPosition, ColumnValueSelector selector, ByteBuffer keyBuffer)
int	NullableNumericGroupByColumnSelectorStrategy.writeToKeyBuffer(int keyBufferPosition, ColumnValueSelector selector, ByteBuffer keyBuffer)
int	GroupByColumnSelectorStrategy.writeToKeyBuffer(int keyBufferPosition, ColumnValueSelector selector, ByteBuffer keyBuffer) Write a single object from the given selector to the keyBuffer at keyBufferPosition.
int	LongGroupByColumnSelectorStrategy.writeToKeyBuffer(int keyBufferPosition, ColumnValueSelector selector, ByteBuffer keyBuffer)

Uses of ColumnValueSelector in org.apache.druid.query.topn

Methods in org.apache.druid.query.topn with parameters of type ColumnValueSelector

Modifier and Type	Method and Description
void	TopNQueryMetrics.columnValueSelector(ColumnValueSelector columnValueSelector) This method is called exactly once with the columnValueSelector object of each cursor, processed for the query.
void	DefaultTopNQueryMetrics.columnValueSelector(ColumnValueSelector columnValueSelector)

Uses of ColumnValueSelector in org.apache.druid.query.topn.types

Methods in org.apache.druid.query.topn.types with parameters of type ColumnValueSelector

Modifier and Type	Method and Description
TopNColumnAggregatesProcessor<?>	TopNColumnAggregatesProcessorFactory.makeColumnSelectorStrategy(ColumnCapabilities capabilities, ColumnValueSelector selector)

Uses of ColumnValueSelector in org.apache.druid.segment

Subinterfaces of ColumnValueSelector in org.apache.druid.segment

Modifier and Type	Interface and Description
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 ColumnValueSelector

Modifier and Type	Class and 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	ObjectColumnSelector<T> This class is convenient for implementation of "object-sourcing" ColumnValueSelectors, it provides default implementations for all ColumnValueSelector's methods except BaseObjectColumnValueSelector.getObject() and BaseObjectColumnValueSelector.classOfObject().
class	SingleScanTimeDimensionSelector A special DimensionSelector for projected time columns - it assumes time values are scanned once and values are grouped together (i.e.

Fields in org.apache.druid.segment declared as ColumnValueSelector

Modifier and Type	Field and Description
static ColumnValueSelector[]	ColumnValueSelector.EMPTY_ARRAY

Methods in org.apache.druid.segment that return ColumnValueSelector

Modifier and Type	Method and Description
ColumnValueSelector	NumericDimensionMergerV9.convertSortedSegmentRowValuesToMergedRowValues(int segmentIndex, ColumnValueSelector source)
ColumnValueSelector	DictionaryEncodedColumnMerger.convertSortedSegmentRowValuesToMergedRowValues(int segmentIndex, ColumnValueSelector source)
ColumnValueSelector	DimensionMerger.convertSortedSegmentRowValuesToMergedRowValues(int segmentIndex, ColumnValueSelector source) Creates a value selector, which converts values with per-segment, _sorted order_ (see DimensionIndexer.convertUnsortedValuesToSorted(org.apache.druid.segment.ColumnValueSelector)) encoding from the given selector to their equivalent representation in the merged set of rows.
ColumnValueSelector	NestedDataColumnMerger.convertSortedSegmentRowValuesToMergedRowValues(int segmentIndex, ColumnValueSelector source)
ColumnValueSelector	LongDimensionIndexer.convertUnsortedValuesToSorted(ColumnValueSelector selectorWithUnsortedValues)
ColumnValueSelector	FloatDimensionIndexer.convertUnsortedValuesToSorted(ColumnValueSelector selectorWithUnsortedValues)
ColumnValueSelector	NestedDataColumnIndexer.convertUnsortedValuesToSorted(ColumnValueSelector selectorWithUnsortedValues)
ColumnValueSelector	DimensionIndexer.convertUnsortedValuesToSorted(ColumnValueSelector selectorWithUnsortedValues) Converts dictionary-encoded row values from unspecified (random) encoding order, to sorted encoding.
ColumnValueSelector	DictionaryEncodedColumnIndexer.convertUnsortedValuesToSorted(ColumnValueSelector selectorWithUnsortedValues)
ColumnValueSelector	DoubleDimensionIndexer.convertUnsortedValuesToSorted(ColumnValueSelector selectorWithUnsortedValues)
ColumnValueSelector<?>	LongDimensionIndexer.makeColumnValueSelector(IncrementalIndexRowHolder currEntry, IncrementalIndex.DimensionDesc desc)
ColumnValueSelector<?>	FloatDimensionIndexer.makeColumnValueSelector(IncrementalIndexRowHolder currEntry, IncrementalIndex.DimensionDesc desc)
ColumnValueSelector<?>	NestedDataColumnIndexer.makeColumnValueSelector(IncrementalIndexRowHolder currEntry, IncrementalIndex.DimensionDesc desc)
ColumnValueSelector<?>	DimensionIndexer.makeColumnValueSelector(IncrementalIndexRowHolder currEntry, IncrementalIndex.DimensionDesc desc) Return an object used to read values from this indexer's column.
ColumnValueSelector<?>	DictionaryEncodedColumnIndexer.makeColumnValueSelector(IncrementalIndexRowHolder currEntry, IncrementalIndex.DimensionDesc desc)
ColumnValueSelector<?>	DoubleDimensionIndexer.makeColumnValueSelector(IncrementalIndexRowHolder currEntry, IncrementalIndex.DimensionDesc desc)
ColumnValueSelector<?>	RowBasedColumnSelectorFactory.makeColumnValueSelector(String columnName)
ColumnValueSelector	ColumnSelectorFactory.makeColumnValueSelector(String columnName) Returns ColumnValueSelector corresponding to the given column name, or NilColumnValueSelector if the column with such name is absent.
ColumnValueSelector<?>	QueryableIndexColumnSelectorFactory.makeColumnValueSelector(String columnName)
ColumnValueSelector<?>	VirtualColumn.makeColumnValueSelector(String columnName, ColumnSelectorFactory factory) Build a ColumnValueSelector corresponding to this virtual column.
ColumnValueSelector<?>	VirtualColumns.makeColumnValueSelector(String columnName, ColumnSelectorFactory factory) Create a column value selector.
default ColumnValueSelector<?>	VirtualColumn.makeColumnValueSelector(String columnName, ColumnSelector columnSelector, ReadableOffset offset) Returns similar ColumnValueSelector object as returned by VirtualColumn.makeColumnValueSelector(String, ColumnSelectorFactory) except this method has full access to the underlying column and can potentially provide a more efficient implementation.
ColumnValueSelector<?>	VirtualColumns.makeColumnValueSelector(String columnName, ColumnSelector columnSelector, ReadableOffset offset) Try to create an optimized value selector directly from a ColumnSelector.

Methods in org.apache.druid.segment that return types with arguments of type ColumnValueSelector

Modifier and Type	Method and Description
Comparator<ColumnValueSelector>	LongDimensionHandler.getEncodedValueSelectorComparator()
Comparator<ColumnValueSelector>	NestedDataDimensionHandler.getEncodedValueSelectorComparator()
Comparator<ColumnValueSelector>	FloatDimensionHandler.getEncodedValueSelectorComparator()
Comparator<ColumnValueSelector>	StringDimensionHandler.getEncodedValueSelectorComparator()
Comparator<ColumnValueSelector>	DimensionHandler.getEncodedValueSelectorComparator() Returns a comparator that knows how to compare ColumnValueSelector of the assumed dimension type, corresponding to this DimensionHandler.
Comparator<ColumnValueSelector>	DoubleDimensionHandler.getEncodedValueSelectorComparator()

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

Modifier and Type	Method and Description
ColumnValueSelector	NumericDimensionMergerV9.convertSortedSegmentRowValuesToMergedRowValues(int segmentIndex, ColumnValueSelector source)
ColumnValueSelector	DictionaryEncodedColumnMerger.convertSortedSegmentRowValuesToMergedRowValues(int segmentIndex, ColumnValueSelector source)
ColumnValueSelector	DimensionMerger.convertSortedSegmentRowValuesToMergedRowValues(int segmentIndex, ColumnValueSelector source) Creates a value selector, which converts values with per-segment, _sorted order_ (see DimensionIndexer.convertUnsortedValuesToSorted(org.apache.druid.segment.ColumnValueSelector)) encoding from the given selector to their equivalent representation in the merged set of rows.
ColumnValueSelector	NestedDataColumnMerger.convertSortedSegmentRowValuesToMergedRowValues(int segmentIndex, ColumnValueSelector source)
ColumnValueSelector	LongDimensionIndexer.convertUnsortedValuesToSorted(ColumnValueSelector selectorWithUnsortedValues)
ColumnValueSelector	FloatDimensionIndexer.convertUnsortedValuesToSorted(ColumnValueSelector selectorWithUnsortedValues)
ColumnValueSelector	NestedDataColumnIndexer.convertUnsortedValuesToSorted(ColumnValueSelector selectorWithUnsortedValues)
ColumnValueSelector	DimensionIndexer.convertUnsortedValuesToSorted(ColumnValueSelector selectorWithUnsortedValues) Converts dictionary-encoded row values from unspecified (random) encoding order, to sorted encoding.
ColumnValueSelector	DictionaryEncodedColumnIndexer.convertUnsortedValuesToSorted(ColumnValueSelector selectorWithUnsortedValues)
ColumnValueSelector	DoubleDimensionIndexer.convertUnsortedValuesToSorted(ColumnValueSelector selectorWithUnsortedValues)
static TransformableRowIterator	IndexMerger.makeRowIteratorWithConvertedDimensionColumns(TransformableRowIterator sourceRowIterator, ColumnValueSelector[] convertedDimensionSelectors, ColumnValueSelector[] convertedMarkedDimensionSelectors)
static TransformableRowIterator	IndexMerger.makeRowIteratorWithConvertedDimensionColumns(TransformableRowIterator sourceRowIterator, ColumnValueSelector[] convertedDimensionSelectors, ColumnValueSelector[] convertedMarkedDimensionSelectors)
void	NumericDimensionMergerV9.processMergedRow(ColumnValueSelector selector)
void	DictionaryEncodedColumnMerger.processMergedRow(ColumnValueSelector selector)
void	DimensionMerger.processMergedRow(ColumnValueSelector selector) Process a column value(s) (potentially multi-value) of a row from the given selector and update the DimensionMerger's internal state.
void	NestedDataColumnMerger.processMergedRow(ColumnValueSelector selector)
void	FloatColumnSerializer.serialize(ColumnValueSelector<?> selector)
void	LongColumnSerializerV2.serialize(ColumnValueSelector<?> selector)
void	LongColumnSerializer.serialize(ColumnValueSelector<?> selector)
void	FloatColumnSerializerV2.serialize(ColumnValueSelector<?> selector)
void	DoubleColumnSerializerV2.serialize(ColumnValueSelector<?> selector)
void	DoubleColumnSerializer.serialize(ColumnValueSelector<?> selector)
void	GenericColumnSerializer.serialize(ColumnValueSelector<? extends T> selector)

Constructors in org.apache.druid.segment with parameters of type ColumnValueSelector

Constructor and Description
RowPointer(ColumnValueSelector timestampSelector, ColumnValueSelector[] dimensionSelectors, List<DimensionHandler> dimensionHandlers, ColumnValueSelector[] metricSelectors, List<String> metricNames, IntSupplier rowNumPointer)
RowPointer(ColumnValueSelector timestampSelector, ColumnValueSelector[] dimensionSelectors, List<DimensionHandler> dimensionHandlers, ColumnValueSelector[] metricSelectors, List<String> metricNames, IntSupplier rowNumPointer)
RowPointer(ColumnValueSelector timestampSelector, ColumnValueSelector[] dimensionSelectors, List<DimensionHandler> dimensionHandlers, ColumnValueSelector[] metricSelectors, List<String> metricNames, IntSupplier rowNumPointer)

Uses of ColumnValueSelector in org.apache.druid.segment.column

Methods in org.apache.druid.segment.column that return ColumnValueSelector

Modifier and Type	Method and Description
default ColumnValueSelector<?>	ComplexColumn.makeColumnValueSelector(ReadableOffset offset) Optionally overridden when complex column serialization is not based on default serialization based on GenericIndexed in ComplexColumnSerializer.
ColumnValueSelector<?>	FloatsColumn.makeColumnValueSelector(ReadableOffset offset)
ColumnValueSelector<?>	UnknownTypeComplexColumn.makeColumnValueSelector(ReadableOffset offset)
ColumnValueSelector<?>	DoublesColumn.makeColumnValueSelector(ReadableOffset offset)
default ColumnValueSelector<?>	DictionaryEncodedColumn.makeColumnValueSelector(ReadableOffset offset)
ColumnValueSelector<?>	LongsColumn.makeColumnValueSelector(ReadableOffset offset)
ColumnValueSelector<?>	BaseColumn.makeColumnValueSelector(ReadableOffset offset)

Methods in org.apache.druid.segment.column with parameters of type ColumnValueSelector

Modifier and Type	Method and Description
static DimensionSelector	ValueTypes.makeNumericWrappingDimensionSelector(ValueType valueType, ColumnValueSelector<?> numericColumnValueSelector, ExtractionFn extractionFn)

Uses of ColumnValueSelector in org.apache.druid.segment.data

Methods in org.apache.druid.segment.data that return ColumnValueSelector

Modifier and Type	Method and Description
default ColumnValueSelector<Double>	ColumnarDoubles.makeColumnValueSelector(ReadableOffset offset, ImmutableBitmap nullValueBitmap)
default ColumnValueSelector<Float>	ColumnarFloats.makeColumnValueSelector(ReadableOffset offset, ImmutableBitmap nullValueBitmap)
default ColumnValueSelector<Long>	ColumnarLongs.makeColumnValueSelector(ReadableOffset offset, ImmutableBitmap nullValueBitmap)

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

Subinterfaces of ColumnValueSelector in org.apache.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 ColumnValueSelector in org.apache.druid.segment.incremental

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

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

Methods in org.apache.druid.segment.incremental that return ColumnValueSelector

Modifier and Type	Method and Description
ColumnValueSelector<?>	IncrementalIndex.makeMetricColumnValueSelector(String metric, IncrementalIndexRowHolder currEntry)

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

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

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

Uses of ColumnValueSelector in org.apache.druid.segment.join.filter

Methods in org.apache.druid.segment.join.filter that return ColumnValueSelector

Modifier and Type	Method and Description
ColumnValueSelector<?>	AllNullColumnSelectorFactory.makeColumnValueSelector(String columnName)

Uses of ColumnValueSelector in org.apache.druid.segment.join.lookup

Methods in org.apache.druid.segment.join.lookup that return ColumnValueSelector

Modifier and Type	Method and Description
ColumnValueSelector	LookupColumnSelectorFactory.makeColumnValueSelector(String columnName)

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

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

Modifier and Type	Class and Description
class	IndexedTableColumnValueSelector
class	IndexedTableDimensionSelector

Methods in org.apache.druid.segment.join.table that return ColumnValueSelector

Modifier and Type	Method and Description
ColumnValueSelector	IndexedTableColumnSelectorFactory.makeColumnValueSelector(String columnName)

Uses of ColumnValueSelector in org.apache.druid.segment.nested

Methods in org.apache.druid.segment.nested that return ColumnValueSelector

Modifier and Type	Method and Description
ColumnValueSelector<?>	CompressedNestedDataComplexColumn.makeColumnValueSelector(List<NestedPathPart> path, ReadableOffset readableOffset)
abstract ColumnValueSelector<?>	NestedDataComplexColumn.makeColumnValueSelector(List<NestedPathPart> path, ReadableOffset readableOffset) Make a ColumnValueSelector for a nested literal field column associated with this nested complex column specified by a sequence of NestedPathPart.
ColumnValueSelector<?>	CompressedNestedDataComplexColumn.makeColumnValueSelector(ReadableOffset offset)
ColumnValueSelector<?>	NestedFieldLiteralDictionaryEncodedColumn.makeColumnValueSelector(ReadableOffset offset)

Methods in org.apache.druid.segment.nested with parameters of type ColumnValueSelector

Modifier and Type	Method and Description
void	NestedDataColumnSerializer.serialize(ColumnValueSelector<? extends StructuredData> selector)

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

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

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

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

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

Methods in org.apache.druid.segment.selector.settable with parameters of type ColumnValueSelector

Modifier and Type	Method and Description
void	SettableObjectColumnValueSelector.setValueFrom(ColumnValueSelector selector)
void	SettableLongColumnValueSelector.setValueFrom(ColumnValueSelector<?> selector)
void	SettableColumnValueSelector.setValueFrom(ColumnValueSelector<?> selector)
void	SettableFloatColumnValueSelector.setValueFrom(ColumnValueSelector<?> selector)
void	SettableDoubleColumnValueSelector.setValueFrom(ColumnValueSelector<?> selector)
void	SettableDimensionValueSelector.setValueFrom(ColumnValueSelector<?> selector)

Uses of ColumnValueSelector in org.apache.druid.segment.serde

Methods in org.apache.druid.segment.serde with parameters of type ColumnValueSelector

Modifier and Type	Method and Description
void	LargeColumnSupportedComplexColumnSerializer.serialize(ColumnValueSelector<? extends T> selector)
void	ComplexColumnSerializer.serialize(ColumnValueSelector<? extends T> selector)

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

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

Modifier and Type	Class and 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 class	NestedFieldVirtualColumn.FieldDimensionSelector
static class	NestedFieldVirtualColumn.RawFieldColumnSelector Process the "raw" data to extract values with NestedPathFinder.find(Object, List), wrapping the result in StructuredData
static class	NestedFieldVirtualColumn.RawFieldLiteralColumnValueSelector Process the "raw" data to extract literals with NestedPathFinder.findLiteral(Object, List).
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.

Fields in org.apache.druid.segment.virtual declared as ColumnValueSelector

Modifier and Type	Field and Description
protected ColumnValueSelector	NestedFieldVirtualColumn.RawFieldColumnSelector.baseSelector
protected ColumnValueSelector<ExprEval>	ExpressionMultiValueDimensionSelector.baseSelector

Methods in org.apache.druid.segment.virtual that return ColumnValueSelector

Modifier and Type	Method and Description
static ColumnValueSelector	ExpressionSelectors.makeColumnValueSelector(ColumnSelectorFactory columnSelectorFactory, Expr expression) Makes a ColumnValueSelector whose getObject method returns an Object that is the value computed by an ExprEval.
ColumnValueSelector<?>	VirtualizedColumnSelectorFactory.makeColumnValueSelector(String columnName)
ColumnValueSelector<?>	ListFilteredVirtualColumn.makeColumnValueSelector(String columnName, ColumnSelectorFactory factory)
ColumnValueSelector<?>	ExpressionVirtualColumn.makeColumnValueSelector(String columnName, ColumnSelectorFactory factory)
ColumnValueSelector<?>	NestedFieldVirtualColumn.makeColumnValueSelector(String columnName, ColumnSelectorFactory factory)
ColumnValueSelector<?>	NestedFieldVirtualColumn.makeColumnValueSelector(String columnName, ColumnSelector columnSelector, ReadableOffset offset)
static ColumnValueSelector<ExprEval>	ExpressionSelectors.makeExprEvalSelector(ColumnSelectorFactory columnSelectorFactory, Expr expression) Makes a ColumnValueSelector whose getObject method returns an ExprEval.
static ColumnValueSelector<ExprEval>	ExpressionSelectors.makeExprEvalSelector(ColumnSelectorFactory columnSelectorFactory, ExpressionPlan plan)
static ColumnValueSelector	ExpressionSelectors.makeStringColumnValueSelector(ColumnSelectorFactory columnSelectorFactory, Expr expression)

Methods in org.apache.druid.segment.virtual with parameters of type ColumnValueSelector

Modifier and Type	Method and Description
static ExpressionMultiValueDimensionSelector	ExpressionMultiValueDimensionSelector.fromValueSelector(ColumnValueSelector<ExprEval> baseSelector, ExtractionFn extractionFn)
static <T> com.google.common.base.Supplier<T>	ExpressionSelectors.makeNullableNumericSupplier(ColumnValueSelector selector, com.google.common.base.Supplier<T> supplier) Wraps a ColumnValueSelector and uses it to supply numeric values in a null-aware way.

Constructors in org.apache.druid.segment.virtual with parameters of type ColumnValueSelector

Constructor and Description
ExpressionMultiValueDimensionSelector(ColumnValueSelector<ExprEval> baseSelector)
FieldDimensionSelector(ColumnValueSelector valueSelector)
RawFieldColumnSelector(ColumnValueSelector baseSelector, List<NestedPathPart> parts)
RawFieldLiteralColumnValueSelector(ColumnValueSelector baseSelector, List<NestedPathPart> parts)
SingleLongInputCachingExpressionColumnValueSelector(ColumnValueSelector selector, Expr expression, boolean useLruCache, RowIdSupplier rowIdSupplier)