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

Packages that use DimensionDictionarySelector

Package	Description
org.apache.druid.segment
org.apache.druid.segment.column
org.apache.druid.segment.filter
org.apache.druid.segment.historical
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.vector
org.apache.druid.segment.virtual

Uses of DimensionDictionarySelector in org.apache.druid.segment

Subinterfaces of DimensionDictionarySelector in org.apache.druid.segment

Modifier and Type	Interface	Description
interface	DimensionSelector	Selector for a string-typed column, either single- or multi-valued.

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

Modifier and Type	Class	Description
class	AbstractDimensionSelector	An abstract class that provides an implementation of AbstractDimensionSelector.getObject().
class	BaseSingleValueDimensionSelector
class	ConstantDimensionSelector
class	ConstantMultiValueDimensionSelector
class	DoubleWrappingDimensionSelector
class	FloatWrappingDimensionSelector
class	LongWrappingDimensionSelector
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 DimensionDictionarySelector

Modifier and Type	Method	Description
static Object	DimensionSelector.rowToObject(IndexedInts row, DimensionDictionarySelector selector)	Converts a particular IndexedInts to an Object in a standard way, assuming each element in the IndexedInts is a dictionary ID that can be resolved with the provided selector.

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

Classes in org.apache.druid.segment.column that implement DimensionDictionarySelector

Modifier and Type	Class	Description
static class	StringUtf8DictionaryEncodedColumn.StringMultiValueDimensionVectorSelector	Base type for a MultiValueDimensionVectorSelector for a dictionary encoded ColumnType.STRING built around a ColumnarMultiInts.
static class	StringUtf8DictionaryEncodedColumn.StringSingleValueDimensionVectorSelector	Base type for a SingleValueDimensionVectorSelector for a dictionary encoded ColumnType.STRING built around a ColumnarInts.

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

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

Modifier and Type	Method	Description
static ConstantMatcherType	ValueMatchers.toConstantMatcherTypeIfPossible(DimensionDictionarySelector selector, boolean hasMultipleValues, DruidObjectPredicate<String> predicate)	If applying predicate to selector would always return a constant, returns that constant.

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

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

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

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

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

Modifier and Type	Class	Description
class	PossiblyNullDimensionSelector

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

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

Modifier and Type	Class	Description
class	IndexedTableDimensionSelector

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

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

Modifier and Type	Class	Description
class	SettableDimensionValueSelector	Settable implementation of DimensionSelector.

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

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

Modifier and Type	Class	Description
class	ShimMultiValueDimensionSelector	Shim from MultiValueDimensionVectorSelector 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 DimensionDictionarySelector in org.apache.druid.segment.vector

Subinterfaces of DimensionDictionarySelector in org.apache.druid.segment.vector

Modifier and Type	Interface	Description
interface	MultiValueDimensionVectorSelector	Vectorized selector for a multi-valued string-typed column.
interface	SingleValueDimensionVectorSelector	Vectorized selector for a singly-valued string-typed column.

Classes in org.apache.druid.segment.vector that implement DimensionDictionarySelector

Modifier and Type	Class	Description
class	NilVectorSelector

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

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

Modifier and Type	Class	Description
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	SingleStringInputDeferredEvaluationExpressionDimensionSelector	A DimensionSelector decorator that directly exposes the underlying dictionary id in SingleStringInputDeferredEvaluationExpressionDimensionSelector.getRow(), saving expression computation until SingleStringInputDeferredEvaluationExpressionDimensionSelector.lookupName(int) is called.
class	SingleStringInputDeferredEvaluationExpressionDimensionVectorSelector	A SingleValueDimensionVectorSelector decorator that directly exposes the underlying dictionary ids in SingleStringInputDeferredEvaluationExpressionDimensionVectorSelector.getRowVector(), saving expression computation until SingleStringInputDeferredEvaluationExpressionDimensionVectorSelector.lookupName(int) is called.