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

Packages that use ColumnSelectorFactory

Package	Description
org.apache.druid.frame.field
org.apache.druid.frame.processor
org.apache.druid.frame.read
org.apache.druid.frame.segment
org.apache.druid.frame.segment.row
org.apache.druid.frame.util
org.apache.druid.frame.write
org.apache.druid.frame.write.cast
org.apache.druid.frame.write.columnar
org.apache.druid.query.aggregation
org.apache.druid.query.aggregation.any
org.apache.druid.query.aggregation.cardinality
org.apache.druid.query.aggregation.firstlast.first
org.apache.druid.query.aggregation.firstlast.last
org.apache.druid.query.aggregation.hyperloglog
org.apache.druid.query.aggregation.mean
org.apache.druid.query.filter
org.apache.druid.query.groupby.epinephelinae
org.apache.druid.query.rowsandcols.semantic
org.apache.druid.query.scan
org.apache.druid.segment
org.apache.druid.segment.filter
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.projections
org.apache.druid.segment.shim
org.apache.druid.segment.virtual

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

Methods in org.apache.druid.frame.field with parameters of type ColumnSelectorFactory

Modifier and Type	Method	Description
static FieldWriter	FieldWriters.create(FrameType frameType, ColumnSelectorFactory columnSelectorFactory, String columnName, ColumnType columnType, boolean removeNullBytes)	Helper used by RowBasedFrameWriterFactory.

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

Classes in org.apache.druid.frame.processor that implement ColumnSelectorFactory

Modifier and Type	Class	Description
class	MultiColumnSelectorFactory	A ColumnSelectorFactory that wraps multiple ColumnSelectorFactory and delegates to one of them at any given time.

Constructor parameters in org.apache.druid.frame.processor with type arguments of type ColumnSelectorFactory

Modifier	Constructor	Description
	MultiColumnSelectorFactory(List<Supplier<ColumnSelectorFactory>> factorySuppliers, RowSignature signature)

Uses of ColumnSelectorFactory in org.apache.druid.frame.read

Methods in org.apache.druid.frame.read with parameters of type ColumnSelectorFactory

Modifier and Type	Method	Description
static Supplier<MemoryRange<org.apache.datasketches.memory.Memory>>	FrameReaderUtils.makeRowMemorySupplier(ColumnSelectorFactory columnSelectorFactory, FrameType expectedFrameType, RowSignature expectedSignature)	Returns a direct row memory supplier if FrameReaderUtils.mayBeAbleToSelectRowMemory(org.apache.druid.segment.ColumnSelectorFactory), otherwise returns null.

Uses of ColumnSelectorFactory in org.apache.druid.frame.segment

Methods in org.apache.druid.frame.segment that return ColumnSelectorFactory

Modifier and Type	Method	Description
ColumnSelectorFactory	FrameCursor.getColumnSelectorFactory()

Constructors in org.apache.druid.frame.segment with parameters of type ColumnSelectorFactory

Modifier	Constructor	Description
	FrameCursor(SimpleSettableOffset offset, ColumnSelectorFactory columnSelectorFactory)
	FrameFilteredOffset(SimpleSettableOffset baseOffset, ColumnSelectorFactory columnSelectorFactory, Filter postFilter)

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

Classes in org.apache.druid.frame.segment.row that implement ColumnSelectorFactory

Modifier and Type	Class	Description
class	FrameColumnSelectorFactory

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

Methods in org.apache.druid.frame.util with parameters of type ColumnSelectorFactory

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

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

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

Modifier and Type	Method	Description
FrameWriter	FrameWriterFactory.newFrameWriter(ColumnSelectorFactory columnSelectorFactory)	Create a writer where FrameWriter.addSelection() adds the current row from a ColumnSelectorFactory.
FrameWriter	RowBasedFrameWriterFactory.newFrameWriter(ColumnSelectorFactory columnSelectorFactory)

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

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

Modifier and Type	Method	Description
static ColumnValueSelector<?>	TypeCastSelectors.makeColumnValueSelector(ColumnSelectorFactory columnSelectorFactory, String column, ColumnType desiredType)	Create a ColumnValueSelector that does its own typecasting if necessary.

Uses of ColumnSelectorFactory in org.apache.druid.frame.write.columnar

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

Modifier and Type	Method	Description
FrameWriter	ColumnarFrameWriterFactory.newFrameWriter(ColumnSelectorFactory columnSelectorFactory)

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

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

Modifier and Type	Method	Description
abstract Aggregator	AggregatorFactory.factorize(ColumnSelectorFactory metricFactory)
Aggregator	CountAggregatorFactory.factorize(ColumnSelectorFactory metricFactory)
Aggregator	ExpressionLambdaAggregatorFactory.factorize(ColumnSelectorFactory metricFactory)
Aggregator	FilteredAggregatorFactory.factorize(ColumnSelectorFactory columnSelectorFactory)
Aggregator	GroupingAggregatorFactory.factorize(ColumnSelectorFactory metricFactory)
Aggregator	HistogramAggregatorFactory.factorize(ColumnSelectorFactory metricFactory)
Aggregator	JavaScriptAggregatorFactory.factorize(ColumnSelectorFactory columnFactory)
final Aggregator	NullableNumericAggregatorFactory.factorize(ColumnSelectorFactory columnSelectorFactory)
protected abstract Aggregator	NullableNumericAggregatorFactory.factorize(ColumnSelectorFactory columnSelectorFactory, T selector)	Creates an Aggregator to aggregate values from several rows, by using the provided selector.
protected Aggregator	SimpleDoubleAggregatorFactory.factorize(ColumnSelectorFactory metricFactory, ColumnValueSelector selector)
protected Aggregator	SimpleFloatAggregatorFactory.factorize(ColumnSelectorFactory metricFactory, ColumnValueSelector selector)
protected Aggregator	SimpleLongAggregatorFactory.factorize(ColumnSelectorFactory metricFactory, ColumnValueSelector selector)
Aggregator	SingleValueAggregatorFactory.factorize(ColumnSelectorFactory metricFactory)
Aggregator	SuppressedAggregatorFactory.factorize(ColumnSelectorFactory metricFactory)
static AggregatorAdapters	AggregatorAdapters.factorizeBuffered(ColumnSelectorFactory columnSelectorFactory, List<AggregatorFactory> aggregatorFactories)	Create an adapters object based on BufferAggregator.
abstract BufferAggregator	AggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
BufferAggregator	CountAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
BufferAggregator	ExpressionLambdaAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
BufferAggregator	FilteredAggregatorFactory.factorizeBuffered(ColumnSelectorFactory columnSelectorFactory)
BufferAggregator	GroupingAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
BufferAggregator	HistogramAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
BufferAggregator	JavaScriptAggregatorFactory.factorizeBuffered(ColumnSelectorFactory columnSelectorFactory)
final BufferAggregator	NullableNumericAggregatorFactory.factorizeBuffered(ColumnSelectorFactory columnSelectorFactory)
protected abstract BufferAggregator	NullableNumericAggregatorFactory.factorizeBuffered(ColumnSelectorFactory columnSelectorFactory, T selector)	Creates an BufferAggregator to aggregate values from several rows into a ByteBuffer.
protected BufferAggregator	SimpleDoubleAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory, ColumnValueSelector selector)
protected BufferAggregator	SimpleFloatAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory, ColumnValueSelector selector)
protected BufferAggregator	SimpleLongAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory, ColumnValueSelector selector)
BufferAggregator	SingleValueAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
BufferAggregator	SuppressedAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
AggregatorAndSize	AggregatorFactory.factorizeWithSize(ColumnSelectorFactory metricFactory)	Creates an Aggregator based on the provided column selector factory.
protected abstract T	NullableNumericAggregatorFactory.selector(ColumnSelectorFactory columnSelectorFactory)	Creates a ColumnValueSelector for the aggregated column.
protected ColumnValueSelector	SimpleDoubleAggregatorFactory.selector(ColumnSelectorFactory metricFactory)
protected ColumnValueSelector	SimpleFloatAggregatorFactory.selector(ColumnSelectorFactory metricFactory)
protected ColumnValueSelector	SimpleLongAggregatorFactory.selector(ColumnSelectorFactory metricFactory)
static boolean	AggregatorUtil.shouldUseObjectColumnAggregatorWrapper(String fieldName, ColumnSelectorFactory columnSelectorFactory)	Whether a simple numeric aggregator should use BaseObjectColumnValueSelector.getObject(), and coerce the result to number, rather than using a primitive method like BaseLongColumnValueSelector.getLong().
protected boolean	NullableNumericAggregatorFactory.useGetObject(ColumnSelectorFactory columnSelectorFactory)	Returns whether the selector created by NullableNumericAggregatorFactory.selector(ColumnSelectorFactory) for the given ColumnSelectorFactory prefers BaseObjectColumnValueSelector.getObject().
protected boolean	SimpleDoubleAggregatorFactory.useGetObject(ColumnSelectorFactory columnSelectorFactory)
protected boolean	SimpleFloatAggregatorFactory.useGetObject(ColumnSelectorFactory columnSelectorFactory)
protected boolean	SimpleLongAggregatorFactory.useGetObject(ColumnSelectorFactory columnSelectorFactory)

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

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

Modifier and Type	Method	Description
Aggregator	DoubleAnyAggregatorFactory.factorize(ColumnSelectorFactory metricFactory)
Aggregator	FloatAnyAggregatorFactory.factorize(ColumnSelectorFactory metricFactory)
Aggregator	LongAnyAggregatorFactory.factorize(ColumnSelectorFactory metricFactory)
Aggregator	StringAnyAggregatorFactory.factorize(ColumnSelectorFactory metricFactory)
BufferAggregator	DoubleAnyAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
BufferAggregator	FloatAnyAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
BufferAggregator	LongAnyAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
BufferAggregator	StringAnyAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)

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

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

Modifier and Type	Method	Description
Aggregator	CardinalityAggregatorFactory.factorize(ColumnSelectorFactory columnFactory)
BufferAggregator	CardinalityAggregatorFactory.factorizeBuffered(ColumnSelectorFactory columnFactory)

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

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

Modifier and Type	Method	Description
Aggregator	DoubleFirstAggregatorFactory.factorize(ColumnSelectorFactory metricFactory)
Aggregator	FloatFirstAggregatorFactory.factorize(ColumnSelectorFactory metricFactory)
Aggregator	LongFirstAggregatorFactory.factorize(ColumnSelectorFactory metricFactory)
Aggregator	StringFirstAggregatorFactory.factorize(ColumnSelectorFactory metricFactory)
BufferAggregator	DoubleFirstAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
BufferAggregator	FloatFirstAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
BufferAggregator	LongFirstAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
BufferAggregator	StringFirstAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)

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

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

Modifier and Type	Method	Description
Aggregator	DoubleLastAggregatorFactory.factorize(ColumnSelectorFactory metricFactory)
Aggregator	FloatLastAggregatorFactory.factorize(ColumnSelectorFactory metricFactory)
Aggregator	LongLastAggregatorFactory.factorize(ColumnSelectorFactory metricFactory)
Aggregator	StringLastAggregatorFactory.factorize(ColumnSelectorFactory metricFactory)
BufferAggregator	DoubleLastAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
BufferAggregator	FloatLastAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
BufferAggregator	LongLastAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)
BufferAggregator	StringLastAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)

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

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

Modifier and Type	Method	Description
Aggregator	HyperUniquesAggregatorFactory.factorize(ColumnSelectorFactory metricFactory)
BufferAggregator	HyperUniquesAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)

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

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

Modifier and Type	Method	Description
Aggregator	DoubleMeanAggregatorFactory.factorize(ColumnSelectorFactory metricFactory)
BufferAggregator	DoubleMeanAggregatorFactory.factorizeBuffered(ColumnSelectorFactory metricFactory)

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

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

Modifier and Type	Method	Description
ValueMatcher	ArrayContainsElementFilter.makeMatcher(ColumnSelectorFactory factory)
ValueMatcher	EqualityFilter.makeMatcher(ColumnSelectorFactory factory)
ValueMatcher	Filter.makeMatcher(ColumnSelectorFactory factory)	Get a ValueMatcher that applies this filter to row values.
ValueMatcher	InDimFilter.makeMatcher(ColumnSelectorFactory factory)
ValueMatcher	NullFilter.makeMatcher(ColumnSelectorFactory factory)
ValueMatcher	RangeFilter.makeMatcher(ColumnSelectorFactory factory)
ValueMatcher	TypedInFilter.makeMatcher(ColumnSelectorFactory factory)
ValueMatcher	FilterBundle.MatcherBundle.valueMatcher(ColumnSelectorFactory selectorFactory, Offset baseOffset, boolean descending)
ValueMatcher	FilterBundle.SimpleMatcherBundle.valueMatcher(ColumnSelectorFactory selectorFactory, Offset baseOffset, boolean descending)

Constructor parameters in org.apache.druid.query.filter with type arguments of type ColumnSelectorFactory

Modifier	Constructor	Description
	SimpleMatcherBundle(FilterBundle.MatcherBundleInfo matcherInfo, Function<ColumnSelectorFactory,ValueMatcher> matcherFn, Function<VectorColumnSelectorFactory,VectorValueMatcher> vectorMatcherFn, boolean canVectorize)

Uses of ColumnSelectorFactory in org.apache.druid.query.groupby.epinephelinae

Methods in org.apache.druid.query.groupby.epinephelinae that return ColumnSelectorFactory

Modifier and Type	Method	Description
static ColumnSelectorFactory	RowBasedGrouperHelper.createResultRowBasedColumnSelectorFactory(GroupByQuery query, com.google.common.base.Supplier<ResultRow> supplier, RowSignature.Finalization finalization)	Creates a ColumnSelectorFactory that can read rows which originate as results of the provided "query".

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

Modifier and Type	Method	Description
static boolean	GroupByQueryEngine.canPushDownLimit(ColumnSelectorFactory columnSelectorFactory, String columnName)	check if a column will operate correctly with LimitedBufferHashGrouper for query limit pushdown

Constructors in org.apache.druid.query.groupby.epinephelinae with parameters of type ColumnSelectorFactory

Modifier	Constructor	Description
	ConcurrentGrouper(GroupByQueryConfig groupByQueryConfig, com.google.common.base.Supplier<ByteBuffer> bufferSupplier, ReferenceCountingResourceHolder<ByteBuffer> combineBufferHolder, Grouper.KeySerdeFactory<KeyType> keySerdeFactory, Grouper.KeySerdeFactory<KeyType> combineKeySerdeFactory, ColumnSelectorFactory columnSelectorFactory, AggregatorFactory[] aggregatorFactories, LimitedTemporaryStorage temporaryStorage, com.fasterxml.jackson.databind.ObjectMapper spillMapper, int concurrencyHint, DefaultLimitSpec limitSpec, boolean sortHasNonGroupingFields, com.google.common.util.concurrent.ListeningExecutorService executor, int priority, boolean hasQueryTimeout, long queryTimeoutAt, GroupByStatsProvider.PerQueryStats perQueryStats)
	SpillingGrouper(com.google.common.base.Supplier<ByteBuffer> bufferSupplier, Grouper.KeySerdeFactory<KeyType> keySerdeFactory, ColumnSelectorFactory columnSelectorFactory, AggregatorFactory[] aggregatorFactories, int bufferGrouperMaxSize, float bufferGrouperMaxLoadFactor, int bufferGrouperInitialBuckets, LimitedTemporaryStorage temporaryStorage, com.fasterxml.jackson.databind.ObjectMapper spillMapper, boolean spillingAllowed, DefaultLimitSpec limitSpec, boolean sortHasNonGroupingFields, int mergeBufferSize, GroupByStatsProvider.PerQueryStats perQueryStats)

Uses of ColumnSelectorFactory in org.apache.druid.query.rowsandcols.semantic

Classes in org.apache.druid.query.rowsandcols.semantic that implement ColumnSelectorFactory

Modifier and Type	Class	Description
static class	DefaultColumnSelectorFactoryMaker.ColumnAccessorBasedColumnSelectorFactory

Methods in org.apache.druid.query.rowsandcols.semantic that return ColumnSelectorFactory

Modifier and Type	Method	Description
ColumnSelectorFactory	ColumnSelectorFactoryMaker.make(AtomicInteger rowIdProvider)
ColumnSelectorFactory	DefaultColumnSelectorFactoryMaker.make(AtomicInteger rowIdProvider)

Uses of ColumnSelectorFactory in org.apache.druid.query.scan

Classes in org.apache.druid.query.scan that implement ColumnSelectorFactory

Modifier and Type	Class	Description
class	SettableCursorColumnSelectorFactory	A column selector factory, that represents the column values from multiple underlying cursors.

Uses of ColumnSelectorFactory in org.apache.druid.segment

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

Modifier and Type	Class	Description
class	QueryableIndexColumnSelectorFactory	The basic implementation of ColumnSelectorFactory over a historical segment (i.
class	RemapColumnSelectorFactory
class	RowBasedColumnSelectorFactory<T>	A ColumnSelectorFactory that is based on an object supplier and a RowAdapter for that type of object.

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

Modifier and Type	Method	Description
ColumnSelectorFactory	Cursor.getColumnSelectorFactory()	Get a ColumnSelectorFactory whose selectors will be backed by the row values at the current position of the cursor
ColumnSelectorFactory	RowBasedCursor.getColumnSelectorFactory()
ColumnSelectorFactory	UnnestColumnValueSelectorCursor.getColumnSelectorFactory()
ColumnSelectorFactory	UnnestDimensionCursor.getColumnSelectorFactory()
protected ColumnSelectorFactory	QueryableIndexCursorHolder.makeColumnSelectorFactoryForOffset(ColumnCache columnCache, Offset baseOffset)
ColumnSelectorFactory	VirtualColumns.wrap(ColumnSelectorFactory baseFactory)	Creates a VirtualizedColumnSelectorFactory which can create column selectors for VirtualColumns.virtualColumns in addition to selectors for all physical columns in the underlying factory.

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

Modifier and Type	Method	Description
static <Strategy extends ColumnSelectorStrategy> ColumnSelectorPlus<Strategy>	DimensionHandlerUtils.createColumnSelectorPlus(ColumnSelectorStrategyFactory<Strategy> strategyFactory, DimensionSpec dimensionSpec, ColumnSelectorFactory cursor)	Convenience function equivalent to calling DimensionHandlerUtils.createColumnSelectorPluses(ColumnSelectorStrategyFactory, List, ColumnSelectorFactory) with a singleton list of dimensionSpecs and then retrieving the only element in the returned array.
static <Strategy extends ColumnSelectorStrategy> ColumnSelectorPlus<Strategy>[]	DimensionHandlerUtils.createColumnSelectorPluses(ColumnSelectorStrategyFactory<Strategy> strategyFactory, List<DimensionSpec> dimensionSpecs, ColumnSelectorFactory columnSelectorFactory)	Creates an array of ColumnSelectorPlus objects, selectors that handle type-specific operations within query processing engines, using a strategy factory provided by the query engine.
default ColumnValueSelector<?>	VirtualColumn.makeColumnValueSelector(String columnName, ColumnSelectorFactory factory)	Deprecated. use VirtualColumn.makeColumnValueSelector(String, ColumnSelectorFactory, ColumnSelector, ReadableOffset)
default ColumnValueSelector<?>	VirtualColumn.makeColumnValueSelector(String columnName, ColumnSelectorFactory columnSelectorFactory, ColumnSelector columnSelector, ReadableOffset offset)	Builds a selector corresponding to this virtual column.
ColumnValueSelector<?>	VirtualColumns.makeColumnValueSelector(String columnName, ColumnSelectorFactory selectorFactory, ColumnSelector columnSelector, ReadableOffset offset)	Create a column value selector.
default DimensionSelector	VirtualColumn.makeDimensionSelector(DimensionSpec dimensionSpec, ColumnSelectorFactory factory)	Deprecated. use VirtualColumn.makeDimensionSelector(DimensionSpec, ColumnSelectorFactory, ColumnSelector, ReadableOffset)
default DimensionSelector	VirtualColumn.makeDimensionSelector(DimensionSpec dimensionSpec, ColumnSelectorFactory columnSelectorFactory, ColumnSelector columnSelector, ReadableOffset offset)	Build a selector corresponding to this virtual column.
DimensionSelector	VirtualColumns.makeDimensionSelector(DimensionSpec dimensionSpec, ColumnSelectorFactory selectorFactory, ColumnSelector columnSelector, ReadableOffset offset)	Create a dimension (string) selector.
static <T> T	ColumnProcessors.makeProcessor(String column, ColumnProcessorFactory<T> processorFactory, ColumnSelectorFactory selectorFactory)	Make a processor for a particular named column.
static <T> T	ColumnProcessors.makeProcessor(Expr expr, ColumnType exprTypeHint, ColumnProcessorFactory<T> processorFactory, ColumnSelectorFactory selectorFactory)	Make a processor for a particular expression.
static <T> T	ColumnProcessors.makeProcessor(DimensionSpec dimensionSpec, ColumnProcessorFactory<T> processorFactory, ColumnSelectorFactory selectorFactory)	Make a processor for a particular DimensionSpec.
ColumnSelectorFactory	VirtualColumns.wrap(ColumnSelectorFactory baseFactory)	Creates a VirtualizedColumnSelectorFactory which can create column selectors for VirtualColumns.virtualColumns in addition to selectors for all physical columns in the underlying factory.

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

Modifier	Constructor	Description
	RemapColumnSelectorFactory(ColumnSelectorFactory delegate, Map<String,String> remap)
	UnnestColumnValueSelectorCursor(Cursor cursor, ColumnSelectorFactory baseColumnSelectorFactory, VirtualColumn unnestColumn)
	UnnestDimensionCursor(Cursor cursor, ColumnSelectorFactory baseColumnSelectorFactory, VirtualColumn unnestColumn)

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

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

Modifier and Type	Method	Description
ValueMatcher	AndFilter.makeMatcher(ColumnSelectorFactory factory)
ValueMatcher	BoundFilter.makeMatcher(ColumnSelectorFactory factory)
ValueMatcher	ColumnComparisonFilter.makeMatcher(ColumnSelectorFactory factory)
ValueMatcher	DimensionPredicateFilter.makeMatcher(ColumnSelectorFactory factory)
ValueMatcher	ExpressionFilter.makeMatcher(ColumnSelectorFactory factory)
ValueMatcher	FalseFilter.makeMatcher(ColumnSelectorFactory factory)
ValueMatcher	IsBooleanFilter.makeMatcher(ColumnSelectorFactory factory)
ValueMatcher	JavaScriptFilter.makeMatcher(ColumnSelectorFactory factory)
ValueMatcher	LikeFilter.makeMatcher(ColumnSelectorFactory factory)
ValueMatcher	NotFilter.makeMatcher(ColumnSelectorFactory factory)
ValueMatcher	OrFilter.makeMatcher(ColumnSelectorFactory factory)
ValueMatcher	SelectorFilter.makeMatcher(ColumnSelectorFactory factory)
ValueMatcher	SpatialFilter.makeMatcher(ColumnSelectorFactory factory)
ValueMatcher	TrueFilter.makeMatcher(ColumnSelectorFactory factory)
static ValueMatcher	Filters.makeValueMatcher(ColumnSelectorFactory columnSelectorFactory, String columnName, DruidPredicateFactory predicateFactory)	Create a ValueMatcher that applies a predicate to row values.

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

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

Modifier and Type	Method	Description
protected ColumnSelectorFactory	IncrementalIndex.makeColumnSelectorFactory(AggregatorFactory agg, IncrementalIndex.InputRowHolder in)
static ColumnSelectorFactory	IncrementalIndex.makeColumnSelectorFactory(VirtualColumns virtualColumns, IncrementalIndex.InputRowHolder inputRowHolder, AggregatorFactory agg)	Column selector used at ingestion time for inputs to aggregators.
ColumnSelectorFactory	IncrementalIndexCursorHolder.makeSelectorFactory(CursorBuildSpec buildSpec, IncrementalIndexRowHolder currEntry)

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

Methods in org.apache.druid.segment.join that return ColumnSelectorFactory

Modifier and Type	Method	Description
ColumnSelectorFactory	JoinMatcher.getColumnSelectorFactory()	Returns a factory for reading columns from the Joinable that correspond to matched rows.
ColumnSelectorFactory	PostJoinCursor.getColumnSelectorFactory()

Methods in org.apache.druid.segment.join with parameters of type ColumnSelectorFactory

Modifier and Type	Method	Description
JoinMatcher	Joinable.makeJoinMatcher(ColumnSelectorFactory leftColumnSelectorFactory, JoinConditionAnalysis condition, boolean remainderNeeded, Closer closer)	Creates a JoinMatcher that can be used to implement a join onto this Joinable.

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

Classes in org.apache.druid.segment.join.filter that implement ColumnSelectorFactory

Modifier and Type	Class	Description
class	AllNullColumnSelectorFactory

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

Classes in org.apache.druid.segment.join.lookup that implement ColumnSelectorFactory

Modifier and Type	Class	Description
class	LookupColumnSelectorFactory

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

Modifier and Type	Method	Description
ColumnSelectorFactory	LookupJoinMatcher.getColumnSelectorFactory()

Methods in org.apache.druid.segment.join.lookup with parameters of type ColumnSelectorFactory

Modifier and Type	Method	Description
static LookupJoinMatcher	LookupJoinMatcher.create(LookupExtractor extractor, ColumnSelectorFactory leftSelectorFactory, JoinConditionAnalysis condition, boolean remainderNeeded)
JoinMatcher	LookupJoinable.makeJoinMatcher(ColumnSelectorFactory leftSelectorFactory, JoinConditionAnalysis condition, boolean remainderNeeded, Closer closer)

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

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

Modifier and Type	Class	Description
class	IndexedTableColumnSelectorFactory

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

Modifier and Type	Method	Description
ColumnSelectorFactory	IndexedTableJoinMatcher.getColumnSelectorFactory()
ColumnSelectorFactory	BroadcastSegmentIndexedTable.makeColumnSelectorFactory(ReadableOffset offset, Closer closer)
default ColumnSelectorFactory	IndexedTable.makeColumnSelectorFactory(ReadableOffset offset, Closer closer)	This method allows a table to directly provide an optimized ColumnSelectorFactory for IndexedTableJoinMatcher to create selectors.

Methods in org.apache.druid.segment.join.table with parameters of type ColumnSelectorFactory

Modifier and Type	Method	Description
JoinMatcher	IndexedTableJoinable.makeJoinMatcher(ColumnSelectorFactory leftColumnSelectorFactory, JoinConditionAnalysis condition, boolean remainderNeeded, Closer closer)

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

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

Modifier and Type	Method	Description
ColumnValueSelector<?>	CompressedNestedDataComplexColumn.makeColumnValueSelector(List<NestedPathPart> path, ColumnSelectorFactory selectorFactory, ReadableOffset readableOffset)	Create a selector for a nested path.
ColumnValueSelector<?>	NestedColumnSelectorFactory.makeColumnValueSelector(List<NestedPathPart> path, ColumnSelectorFactory columnSelectorFactory, ReadableOffset readableOffset)	Make a ColumnValueSelector for a nested column.
DimensionSelector	CompressedNestedDataComplexColumn.makeDimensionSelector(List<NestedPathPart> path, ExtractionFn extractionFn, ColumnSelectorFactory selectorFactory, ReadableOffset readableOffset)	Create a selector for a nested path.
DimensionSelector	NestedColumnSelectorFactory.makeDimensionSelector(List<NestedPathPart> path, ExtractionFn extractionFn, ColumnSelectorFactory columnSelectorFactory, ReadableOffset readableOffset)	Make a DimensionSelector for a nested column.

Uses of ColumnSelectorFactory in org.apache.druid.segment.projections

Methods in org.apache.druid.segment.projections that return ColumnSelectorFactory

Modifier and Type	Method	Description
ColumnSelectorFactory	QueryableProjection.wrapColumnSelectorFactory(ColumnSelectorFactory selectorFactory)	The projection can contain pre-computed virtual columns or pre-aggregated aggregation columns.

Methods in org.apache.druid.segment.projections with parameters of type ColumnSelectorFactory

Modifier and Type	Method	Description
ColumnSelectorFactory	QueryableProjection.wrapColumnSelectorFactory(ColumnSelectorFactory selectorFactory)	The projection can contain pre-computed virtual columns or pre-aggregated aggregation columns.

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

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

Modifier and Type	Class	Description
class	ShimColumnSelectorFactory	Implementation of ColumnSelectorFactory for ShimCursor.

Methods in org.apache.druid.segment.shim that return ColumnSelectorFactory

Modifier and Type	Method	Description
ColumnSelectorFactory	ShimCursor.getColumnSelectorFactory()

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

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

Modifier and Type	Class	Description
class	VirtualizedColumnSelectorFactory	ColumnSelectorFactory which can create selectors for both virtual and non-virtual columns

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

Modifier and Type	Method	Description
static Expr.ObjectBinding	ExpressionSelectors.createBindings(ColumnSelectorFactory columnSelectorFactory, ExpressionPlan plan)	Create Expr.ObjectBinding given a ColumnSelectorFactory and ExpressionPlan which provides the set of identifiers which need a binding (list of required columns), and context of whether or not they are used as array or scalar inputs
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<?>	ExpressionVirtualColumn.makeColumnValueSelector(String columnName, ColumnSelectorFactory factory)
ColumnValueSelector<?>	FallbackVirtualColumn.makeColumnValueSelector(String columnName, ColumnSelectorFactory factory)
ColumnValueSelector<?>	ListFilteredVirtualColumn.makeColumnValueSelector(String columnName, ColumnSelectorFactory factory)
ColumnValueSelector<?>	NestedFieldVirtualColumn.makeColumnValueSelector(String columnName, ColumnSelectorFactory selectorFactory, ColumnSelector columnSelector, ReadableOffset offset)
ColumnValueSelector<?>	PrefixFilteredVirtualColumn.makeColumnValueSelector(String columnName, ColumnSelectorFactory factory)
ColumnValueSelector<?>	RegexFilteredVirtualColumn.makeColumnValueSelector(String columnName, ColumnSelectorFactory factory)
ColumnValueSelector<?>	SpecializedExpressionVirtualColumn.makeColumnValueSelector(String columnName, ColumnSelectorFactory columnSelectorFactory, ColumnSelector columnSelector, ReadableOffset offset)
static DimensionSelector	ExpressionSelectors.makeDimensionSelector(ColumnSelectorFactory columnSelectorFactory, Expr expression, ExtractionFn extractionFn)	Makes a single or multi-value DimensionSelector wrapper around a ColumnValueSelector created by ExpressionSelectors.makeExprEvalSelector(ColumnSelectorFactory, Expr) as appropriate
DimensionSelector	ExpressionVirtualColumn.makeDimensionSelector(DimensionSpec dimensionSpec, ColumnSelectorFactory columnSelectorFactory)
DimensionSelector	FallbackVirtualColumn.makeDimensionSelector(DimensionSpec dimensionSpec, ColumnSelectorFactory factory)
DimensionSelector	ListFilteredVirtualColumn.makeDimensionSelector(DimensionSpec dimensionSpec, ColumnSelectorFactory factory)
DimensionSelector	NestedFieldVirtualColumn.makeDimensionSelector(DimensionSpec dimensionSpec, ColumnSelectorFactory selectorFactory, ColumnSelector columnSelector, ReadableOffset offset)
DimensionSelector	PrefixFilteredVirtualColumn.makeDimensionSelector(DimensionSpec dimensionSpec, ColumnSelectorFactory factory)
DimensionSelector	RegexFilteredVirtualColumn.makeDimensionSelector(DimensionSpec dimensionSpec, ColumnSelectorFactory factory)
DimensionSelector	SpecializedExpressionVirtualColumn.makeDimensionSelector(DimensionSpec dimensionSpec, ColumnSelectorFactory columnSelectorFactory, ColumnSelector columnSelector, ReadableOffset offset)
static ColumnValueSelector<ExprEval>	ExpressionSelectors.makeExprEvalSelector(ColumnSelectorFactory columnSelectorFactory, Expr expression)	Makes a ColumnValueSelector whose getObject method returns an ExprEval.
static ColumnValueSelector	ExpressionSelectors.makeStringColumnValueSelector(ColumnSelectorFactory columnSelectorFactory, Expr expression)

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

Modifier	Constructor	Description
	VirtualizedColumnSelectorFactory(ColumnSelectorFactory baseFactory, VirtualColumns virtualColumns)