Uses of Interface
io.druid.segment.DimensionSelector

Packages that use DimensionSelector

Package	Description
io.druid.query.aggregation.cardinality.types
io.druid.query.aggregation.distinctcount
io.druid.query.dimension
io.druid.query.filter
io.druid.query.groupby
io.druid.query.search
io.druid.query.select
io.druid.query.topn
io.druid.query.topn.types
io.druid.segment
io.druid.segment.column
io.druid.segment.historical
io.druid.segment.virtual

Uses of DimensionSelector in io.druid.query.aggregation.cardinality.types

Methods in io.druid.query.aggregation.cardinality.types with parameters of type DimensionSelector

Modifier and Type	Method and Description
void	StringCardinalityAggregatorColumnSelectorStrategy.hashRow(DimensionSelector dimSelector, com.google.common.hash.Hasher hasher)
void	StringCardinalityAggregatorColumnSelectorStrategy.hashValues(DimensionSelector dimSelector, HyperLogLogCollector collector)

Uses of DimensionSelector in io.druid.query.aggregation.distinctcount

Constructors in io.druid.query.aggregation.distinctcount with parameters of type DimensionSelector

Constructor and Description
DistinctCountAggregator(DimensionSelector selector, MutableBitmap mutableBitmap)
DistinctCountBufferAggregator(DimensionSelector selector)

Uses of DimensionSelector in io.druid.query.dimension

Methods in io.druid.query.dimension that return DimensionSelector

Modifier and Type	Method and Description
DimensionSelector	LookupDimensionSpec.decorate(DimensionSelector selector)
DimensionSelector	RegexFilteredDimensionSpec.decorate(DimensionSelector selector)
DimensionSelector	ListFilteredDimensionSpec.decorate(DimensionSelector selector)
DimensionSelector	ExtractionDimensionSpec.decorate(DimensionSelector selector)
DimensionSelector	DimensionSpec.decorate(DimensionSelector selector)
DimensionSelector	DefaultDimensionSpec.decorate(DimensionSelector selector)

Methods in io.druid.query.dimension with parameters of type DimensionSelector

Modifier and Type	Method and Description
DimensionSelector	LookupDimensionSpec.decorate(DimensionSelector selector)
DimensionSelector	RegexFilteredDimensionSpec.decorate(DimensionSelector selector)
DimensionSelector	ListFilteredDimensionSpec.decorate(DimensionSelector selector)
DimensionSelector	ExtractionDimensionSpec.decorate(DimensionSelector selector)
DimensionSelector	DimensionSpec.decorate(DimensionSelector selector)
DimensionSelector	DefaultDimensionSpec.decorate(DimensionSelector selector)

Uses of DimensionSelector in io.druid.query.filter

Methods in io.druid.query.filter with parameters of type DimensionSelector

Modifier and Type	Method and Description
ValueGetter	StringValueMatcherColumnSelectorStrategy.makeValueGetter(DimensionSelector selector)
ValueMatcher	StringValueMatcherColumnSelectorStrategy.makeValueMatcher(DimensionSelector selector, DruidPredicateFactory predicateFactory)
ValueMatcher	StringValueMatcherColumnSelectorStrategy.makeValueMatcher(DimensionSelector selector, String value)

Uses of DimensionSelector in io.druid.query.groupby

Methods in io.druid.query.groupby that return DimensionSelector

Modifier and Type	Method and Description
DimensionSelector	RowBasedColumnSelectorFactory.makeDimensionSelector(DimensionSpec dimensionSpec)

Uses of DimensionSelector in io.druid.query.search

Methods in io.druid.query.search with parameters of type DimensionSelector

Modifier and Type	Method and Description
void	SearchQueryRunner.StringSearchColumnSelectorStrategy.updateSearchResultSet(String outputName, DimensionSelector selector, SearchQuerySpec searchQuerySpec, int limit, it.unimi.dsi.fastutil.objects.Object2IntRBTreeMap<SearchHit> set)

Uses of DimensionSelector in io.druid.query.select

Methods in io.druid.query.select with parameters of type DimensionSelector

Modifier and Type	Method and Description
void	SelectQueryEngine.StringSelectColumnSelectorStrategy.addRowValuesToSelectResult(String outputName, DimensionSelector selector, Map<String,Object> resultMap)

Uses of DimensionSelector in io.druid.query.topn

Methods in io.druid.query.topn that return DimensionSelector

Modifier and Type	Method and Description
DimensionSelector	TopNParams.getDimSelector()

Methods in io.druid.query.topn with parameters of type DimensionSelector

Modifier and Type	Method and Description
long	Generic2AggPooledTopNScannerPrototype.scanAndAggregate(DimensionSelector dimensionSelector, BufferAggregator aggregator1, int aggregator1Size, BufferAggregator aggregator2, int aggregator2Size, Cursor cursor, int[] positions, ByteBuffer resultsBuffer) Any changes to this method should be coordinated with TopNUtils, PooledTopNAlgorithm.computeSpecializedScanAndAggregateImplementations() and downstream methods.
long	Generic2AggPooledTopNScanner.scanAndAggregate(DimensionSelector dimensionSelector, BufferAggregator aggregator1, int aggregator1Size, BufferAggregator aggregator2, int aggregator2Size, Cursor cursor, int[] positions, ByteBuffer resultsBuffer)
long	Generic1AggPooledTopNScannerPrototype.scanAndAggregate(DimensionSelector dimensionSelector, BufferAggregator aggregator, int aggregatorSize, Cursor cursor, int[] positions, ByteBuffer resultsBuffer) Any changes to this method should be coordinated with TopNUtils, PooledTopNAlgorithm.computeSpecializedScanAndAggregateImplementations() and downstream methods.
long	Generic1AggPooledTopNScanner.scanAndAggregate(DimensionSelector dimensionSelector, BufferAggregator aggregator, int aggregatorSize, Cursor cursor, int[] positions, ByteBuffer resultsBuffer)

Constructors in io.druid.query.topn with parameters of type DimensionSelector

Constructor and Description
AggregatorArrayProvider(DimensionSelector dimSelector, TopNQuery query, int cardinality, Capabilities capabilities)
BaseArrayProvider(DimensionSelector dimSelector, TopNQuery query, Capabilities capabilities)

Uses of DimensionSelector in io.druid.query.topn.types

Methods in io.druid.query.topn.types with parameters of type DimensionSelector

Modifier and Type	Method and Description
long	StringTopNColumnSelectorStrategy.dimExtractionScanAndAggregate(TopNQuery query, DimensionSelector selector, Cursor cursor, Aggregator[][] rowSelector, Map<String,Aggregator[]> aggregatesStore)
int	StringTopNColumnSelectorStrategy.getCardinality(DimensionSelector selector)

Uses of DimensionSelector in io.druid.segment

Classes in io.druid.segment that implement DimensionSelector

Modifier and Type	Class and Description
class	ConstantDimensionSelector
class	DoubleWrappingDimensionSelector
class	FloatWrappingDimensionSelector
class	LongWrappingDimensionSelector
class	NullDimensionSelector
class	SingleScanTimeDimSelector

Methods in io.druid.segment that return DimensionSelector

Modifier and Type	Method and Description
static DimensionSelector	DimensionSelectorUtils.constantSelector(String value)
static DimensionSelector	DimensionSelectorUtils.constantSelector(String value, ExtractionFn extractionFn)
DimensionSelector	ColumnSelectorFactory.makeDimensionSelector(DimensionSpec dimensionSpec)
DimensionSelector	MapVirtualColumn.makeDimensionSelector(DimensionSpec dimensionSpec, ColumnSelectorFactory factory)
DimensionSelector	VirtualColumns.makeDimensionSelector(DimensionSpec dimensionSpec, ColumnSelectorFactory factory) Create a dimension (string) selector.
DimensionSelector	VirtualColumn.makeDimensionSelector(DimensionSpec dimensionSpec, ColumnSelectorFactory factory) Build a selector corresponding to this virtual column.
DimensionSelector	StringDimensionIndexer.makeDimensionSelector(DimensionSpec spec, TimeAndDimsHolder currEntry, IncrementalIndex.DimensionDesc desc)
DimensionSelector	LongDimensionIndexer.makeDimensionSelector(DimensionSpec spec, TimeAndDimsHolder currEntry, IncrementalIndex.DimensionDesc desc)
DimensionSelector	FloatDimensionIndexer.makeDimensionSelector(DimensionSpec spec, TimeAndDimsHolder currEntry, IncrementalIndex.DimensionDesc desc)
DimensionSelector	DoubleDimensionIndexer.makeDimensionSelector(DimensionSpec spec, TimeAndDimsHolder currEntry, IncrementalIndex.DimensionDesc desc)
DimensionSelector	DimensionIndexer.makeDimensionSelector(DimensionSpec spec, TimeAndDimsHolder currEntry, IncrementalIndex.DimensionDesc desc) Return an object used to read values from this indexer's column as Strings.

Methods in io.druid.segment with parameters of type DimensionSelector

Modifier and Type	Method and Description
static BitSet	DimensionSelectorUtils.makePredicateMatchingSet(DimensionSelector selector, com.google.common.base.Predicate<String> predicate)
static ValueMatcher	DimensionSelectorUtils.makeValueMatcherGeneric(DimensionSelector selector, com.google.common.base.Predicate<String> predicate) Generic implementation of makeValueMatcher(Predicate), uses getRow() of the given DimensionSelector.
static ValueMatcher	DimensionSelectorUtils.makeValueMatcherGeneric(DimensionSelector selector, String value) Generic implementation of makeValueMatcher(String), uses getRow() of the given DimensionSelector.

Uses of DimensionSelector in io.druid.segment.column

Methods in io.druid.segment.column that return DimensionSelector

Modifier and Type	Method and Description
DimensionSelector	DictionaryEncodedColumn.makeDimensionSelector(ReadableOffset offset, ExtractionFn extractionFn)
DimensionSelector	ValueType.makeNumericWrappingDimensionSelector(ColumnValueSelector numericColumnValueSelector, ExtractionFn extractionFn)

Uses of DimensionSelector in io.druid.segment.historical

Subinterfaces of DimensionSelector in io.druid.segment.historical

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

Uses of DimensionSelector in io.druid.segment.virtual

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

Modifier and Type	Class and Description
class	BaseSingleValueDimensionSelector
class	SingleStringInputDimensionSelector A DimensionSelector decorator that computes an expression on top of it.

Methods in io.druid.segment.virtual that return DimensionSelector

Modifier and Type	Method and Description
static DimensionSelector	ExpressionSelectors.makeDimensionSelector(ColumnSelectorFactory columnSelectorFactory, Expr expression, ExtractionFn extractionFn)
DimensionSelector	VirtualizedColumnSelectorFactory.makeDimensionSelector(DimensionSpec dimensionSpec)
DimensionSelector	ExpressionVirtualColumn.makeDimensionSelector(DimensionSpec dimensionSpec, ColumnSelectorFactory columnSelectorFactory)

Constructors in io.druid.segment.virtual with parameters of type DimensionSelector

Constructor and Description
SingleStringInputCachingExpressionColumnValueSelector(DimensionSelector selector, Expr expression)
SingleStringInputDimensionSelector(DimensionSelector selector, Expr expression)