Uses of Interface
org.apache.druid.segment.column.ColumnCapabilities

Packages that use ColumnCapabilities

Package	Description
org.apache.druid.frame.processor
org.apache.druid.frame.read
org.apache.druid.frame.read.columnar
org.apache.druid.frame.segment
org.apache.druid.frame.segment.row
org.apache.druid.frame.util
org.apache.druid.query.aggregation.cardinality.types
org.apache.druid.query.aggregation.cardinality.vector
org.apache.druid.query.aggregation.first
org.apache.druid.query.dimension
org.apache.druid.query.filter.vector
org.apache.druid.query.groupby.epinephelinae.column
org.apache.druid.query.groupby.epinephelinae.vector
org.apache.druid.query.topn.types
org.apache.druid.segment
org.apache.druid.segment.column
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.vector
org.apache.druid.segment.virtual

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

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

Modifier and Type	Method and Description
ColumnCapabilities	MultiColumnSelectorFactory.getColumnCapabilities(String column)

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

Methods in org.apache.druid.frame.read that return ColumnCapabilities

Modifier and Type	Method and Description
ColumnCapabilities	FrameReader.columnCapabilities(Frame frame, String columnName) Returns capabilities for a particular column in a particular frame.

Uses of ColumnCapabilities in org.apache.druid.frame.read.columnar

Methods in org.apache.druid.frame.read.columnar that return ColumnCapabilities

Modifier and Type	Method and Description
ColumnCapabilities	ColumnPlus.getCapabilities()

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

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

Modifier and Type	Method and Description
ColumnCapabilities	FrameStorageAdapter.getColumnCapabilities(String column)

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

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

Modifier and Type	Method and Description
ColumnCapabilities	FrameColumnSelectorFactory.getColumnCapabilities(String column)

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

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

Modifier and Type	Method and Description
ColumnCapabilities	SettableLongVirtualColumn.capabilities(String columnName)

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

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

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

Uses of ColumnCapabilities in org.apache.druid.query.aggregation.cardinality.vector

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

Modifier and Type	Method and Description
CardinalityVectorProcessor	CardinalityVectorProcessorFactory.makeDoubleProcessor(ColumnCapabilities capabilities, VectorValueSelector selector)
CardinalityVectorProcessor	CardinalityVectorProcessorFactory.makeFloatProcessor(ColumnCapabilities capabilities, VectorValueSelector selector)
CardinalityVectorProcessor	CardinalityVectorProcessorFactory.makeLongProcessor(ColumnCapabilities capabilities, VectorValueSelector selector)
CardinalityVectorProcessor	CardinalityVectorProcessorFactory.makeMultiValueDimensionProcessor(ColumnCapabilities capabilities, MultiValueDimensionVectorSelector selector)
CardinalityVectorProcessor	CardinalityVectorProcessorFactory.makeObjectProcessor(ColumnCapabilities capabilities, VectorObjectSelector selector)
CardinalityVectorProcessor	CardinalityVectorProcessorFactory.makeSingleValueDimensionProcessor(ColumnCapabilities capabilities, SingleValueDimensionVectorSelector selector)

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

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

Modifier and Type	Method and Description
static boolean	StringFirstLastUtils.selectorNeedsFoldCheck(BaseObjectColumnValueSelector<?> valueSelector, ColumnCapabilities valueSelectorCapabilities) Returns whether a given value selector *might* contain SerializablePairLongString objects.

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

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

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

Uses of ColumnCapabilities in org.apache.druid.query.filter.vector

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

Modifier and Type	Method and Description
VectorValueMatcherFactory	VectorValueMatcherColumnProcessorFactory.makeDoubleProcessor(ColumnCapabilities capabilities, VectorValueSelector selector)
VectorValueMatcherFactory	VectorValueMatcherColumnProcessorFactory.makeFloatProcessor(ColumnCapabilities capabilities, VectorValueSelector selector)
VectorValueMatcherFactory	VectorValueMatcherColumnProcessorFactory.makeLongProcessor(ColumnCapabilities capabilities, VectorValueSelector selector)
VectorValueMatcherFactory	VectorValueMatcherColumnProcessorFactory.makeMultiValueDimensionProcessor(ColumnCapabilities capabilities, MultiValueDimensionVectorSelector selector)
VectorValueMatcherFactory	VectorValueMatcherColumnProcessorFactory.makeObjectProcessor(ColumnCapabilities capabilities, VectorObjectSelector selector)
VectorValueMatcherFactory	VectorValueMatcherColumnProcessorFactory.makeSingleValueDimensionProcessor(ColumnCapabilities capabilities, SingleValueDimensionVectorSelector selector)

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

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

Constructor and Description
StringGroupByColumnSelectorStrategy(IntFunction<String> dictionaryLookup, ColumnCapabilities capabilities)

Uses of ColumnCapabilities in org.apache.druid.query.groupby.epinephelinae.vector

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

Modifier and Type	Method and Description
GroupByVectorColumnSelector	GroupByVectorColumnProcessorFactory.makeDoubleProcessor(ColumnCapabilities capabilities, VectorValueSelector selector)
GroupByVectorColumnSelector	GroupByVectorColumnProcessorFactory.makeFloatProcessor(ColumnCapabilities capabilities, VectorValueSelector selector)
GroupByVectorColumnSelector	GroupByVectorColumnProcessorFactory.makeLongProcessor(ColumnCapabilities capabilities, VectorValueSelector selector)
GroupByVectorColumnSelector	GroupByVectorColumnProcessorFactory.makeMultiValueDimensionProcessor(ColumnCapabilities capabilities, MultiValueDimensionVectorSelector selector)
GroupByVectorColumnSelector	GroupByVectorColumnProcessorFactory.makeObjectProcessor(ColumnCapabilities capabilities, VectorObjectSelector selector)
GroupByVectorColumnSelector	GroupByVectorColumnProcessorFactory.makeSingleValueDimensionProcessor(ColumnCapabilities capabilities, SingleValueDimensionVectorSelector selector)
boolean	GroupByVectorColumnProcessorFactory.useDictionaryEncodedSelector(ColumnCapabilities capabilities) The group by engine vector processor has a more relaxed approach to choosing to use a dictionary encoded string selector over an object selector than some of the other VectorColumnProcessorFactory implementations.

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

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

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

Constructors in org.apache.druid.query.topn.types with parameters of type ColumnCapabilities

Constructor and Description
StringTopNColumnAggregatesProcessor(ColumnCapabilities capabilities, ColumnType dimensionType)

Uses of ColumnCapabilities in org.apache.druid.segment

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

Modifier and Type	Field and Description
protected ColumnCapabilities	DictionaryEncodedColumnMerger.capabilities
static ColumnCapabilities	DimensionHandlerUtils.DEFAULT_STRING_CAPABILITIES
static ColumnCapabilities	ColumnProcessors.NIL_COLUMN_CAPABILITIES Capabilites that are used when we return a nil selector for a nonexistent column.

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

Modifier and Type	Method and Description
default ColumnCapabilities	VirtualColumn.capabilities(ColumnInspector inspector, String columnName) Return the ColumnCapabilities which best describe the optimal selector to read from this virtual column.
ColumnCapabilities	VirtualColumn.capabilities(String columnName) Deprecated.
ColumnCapabilities	QueryableIndexIndexableAdapter.getCapabilities(String column)
ColumnCapabilities	IndexableAdapter.getCapabilities(String column)
ColumnCapabilities	LongDimensionIndexer.getColumnCapabilities()
ColumnCapabilities	FloatDimensionIndexer.getColumnCapabilities()
ColumnCapabilities	NestedDataColumnIndexer.getColumnCapabilities()
ColumnCapabilities	StringDimensionIndexer.getColumnCapabilities()
ColumnCapabilities	DimensionIndexer.getColumnCapabilities()
ColumnCapabilities	DoubleDimensionIndexer.getColumnCapabilities()
ColumnCapabilities	VirtualColumns.getColumnCapabilities(ColumnInspector inspector, String columnName)
ColumnCapabilities	ColumnInspector.getColumnCapabilities(String column) Returns capabilities of a particular column.
ColumnCapabilities	StorageAdapter.getColumnCapabilities(String column) Returns capabilities of a particular column, if known.
ColumnCapabilities	RowBasedStorageAdapter.getColumnCapabilities(String column)
ColumnCapabilities	QueryableIndexStorageAdapter.getColumnCapabilities(String column)
ColumnCapabilities	RowBasedColumnSelectorFactory.getColumnCapabilities(String columnName)
ColumnCapabilities	ColumnSelectorColumnIndexSelector.getColumnCapabilities(String column)
ColumnCapabilities	ColumnSelectorFactory.getColumnCapabilities(String column) Returns capabilities of a particular column, if known.
default ColumnCapabilities	ColumnSelector.getColumnCapabilities(String column)
ColumnCapabilities	QueryableIndexColumnSelectorFactory.getColumnCapabilities(String columnName)
default ColumnCapabilities	QueryableIndex.getColumnCapabilities(String column)
default ColumnCapabilities	ColumnInspector.getColumnCapabilitiesWithDefault(String column, ColumnCapabilities defaultCapabilites)
ColumnCapabilities	VirtualColumns.getColumnCapabilitiesWithFallback(ColumnInspector inspector, String columnName)

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

Modifier and Type	Method and Description
default ColumnCapabilities	ColumnInspector.getColumnCapabilitiesWithDefault(String column, ColumnCapabilities defaultCapabilites)
DimensionSchema	LongDimensionHandler.getDimensionSchema(ColumnCapabilities capabilities)
DimensionSchema	NestedDataDimensionHandler.getDimensionSchema(ColumnCapabilities capabilities)
DimensionSchema	FloatDimensionHandler.getDimensionSchema(ColumnCapabilities capabilities)
DimensionSchema	StringDimensionHandler.getDimensionSchema(ColumnCapabilities capabilities)
DimensionSchema	DimensionHandler.getDimensionSchema(ColumnCapabilities capabilities)
DimensionSchema	DoubleDimensionHandler.getDimensionSchema(ColumnCapabilities capabilities)
static DimensionHandler<?,?,?>	DimensionHandlerUtils.getHandlerFromCapabilities(String dimensionName, ColumnCapabilities capabilities, DimensionSchema.MultiValueHandling multiValueHandling)
T	VectorColumnProcessorFactory.makeDoubleProcessor(ColumnCapabilities capabilities, VectorValueSelector selector) Called when getType() is DOUBLE.
T	VectorColumnProcessorFactory.makeFloatProcessor(ColumnCapabilities capabilities, VectorValueSelector selector) Called when getType() is FLOAT.
T	VectorColumnProcessorFactory.makeLongProcessor(ColumnCapabilities capabilities, VectorValueSelector selector) Called when getType() is LONG.
DimensionMergerV9	LongDimensionHandler.makeMerger(IndexSpec indexSpec, SegmentWriteOutMedium segmentWriteOutMedium, ColumnCapabilities capabilities, ProgressIndicator progress, Closer closer)
DimensionMergerV9	NestedDataDimensionHandler.makeMerger(IndexSpec indexSpec, SegmentWriteOutMedium segmentWriteOutMedium, ColumnCapabilities capabilities, ProgressIndicator progress, Closer closer)
DimensionMergerV9	FloatDimensionHandler.makeMerger(IndexSpec indexSpec, SegmentWriteOutMedium segmentWriteOutMedium, ColumnCapabilities capabilities, ProgressIndicator progress, Closer closer)
DimensionMergerV9	StringDimensionHandler.makeMerger(IndexSpec indexSpec, SegmentWriteOutMedium segmentWriteOutMedium, ColumnCapabilities capabilities, ProgressIndicator progress, Closer closer)
DimensionMergerV9	DimensionHandler.makeMerger(IndexSpec indexSpec, SegmentWriteOutMedium segmentWriteOutMedium, ColumnCapabilities capabilities, ProgressIndicator progress, Closer closer) Creates a new DimensionMergerV9, a per-dimension object responsible for merging indexes/row data across segments and building the on-disk representation of a dimension.
DimensionMergerV9	DoubleDimensionHandler.makeMerger(IndexSpec indexSpec, SegmentWriteOutMedium segmentWriteOutMedium, ColumnCapabilities capabilities, ProgressIndicator progress, Closer closer)
T	VectorColumnProcessorFactory.makeMultiValueDimensionProcessor(ColumnCapabilities capabilities, MultiValueDimensionVectorSelector selector) Called only if getType() is STRING and the underlying column may have multiple values per row.
T	VectorColumnProcessorFactory.makeObjectProcessor(ColumnCapabilities capabilities, VectorObjectSelector selector) Called when getType() is COMPLEX.
T	VectorColumnProcessorFactory.makeSingleValueDimensionProcessor(ColumnCapabilities capabilities, SingleValueDimensionVectorSelector selector) Called only if getType() is STRING and the underlying column always has a single value per row.
default boolean	VectorColumnProcessorFactory.useDictionaryEncodedSelector(ColumnCapabilities capabilities) The processor factory can influence the decision on whether or not to prefer a dictionary encoded column value selector over a an object selector by examining the ColumnCapabilities.

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

Constructor and Description
DictionaryEncodedColumnMerger(String dimensionName, IndexSpec indexSpec, SegmentWriteOutMedium segmentWriteOutMedium, ColumnCapabilities capabilities, ProgressIndicator progress, Closer closer)
StringDimensionMergerV9(String dimensionName, IndexSpec indexSpec, SegmentWriteOutMedium segmentWriteOutMedium, ColumnCapabilities capabilities, ProgressIndicator progress, Closer closer)

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

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

Modifier and Type	Class and Description
class	ColumnCapabilitiesImpl

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

Modifier and Type	Method and Description
ColumnCapabilities	ColumnHolder.getCapabilities()
ColumnCapabilities	RowSignature.getColumnCapabilities(String column)

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

Modifier and Type	Method and Description
static ColumnCapabilitiesImpl	ColumnCapabilitiesImpl.copyOf(ColumnCapabilities other)
static ColumnCapabilitiesImpl	ColumnCapabilitiesImpl.snapshot(ColumnCapabilities capabilities, ColumnCapabilities.CoercionLogic coerce) Copy a ColumnCapabilities and coerce all ColumnCapabilities.Capable.UNKNOWN to ColumnCapabilities.Capable.TRUE or ColumnCapabilities.Capable.FALSE as specified by ColumnCapabilities.CoercionLogic

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

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

Modifier and Type	Method and Description
ColumnCapabilities	IncrementalIndex.DimensionDesc.getCapabilities()
ColumnCapabilities	IncrementalIndex.MetricDesc.getCapabilities()
ColumnCapabilities	IncrementalIndexAdapter.getCapabilities(String column)
ColumnCapabilities	IncrementalIndexStorageAdapter.getColumnCapabilities(String column)
ColumnCapabilities	IncrementalIndex.getColumnCapabilities(String columnName)
ColumnCapabilities	IncrementalIndexStorageAdapter.getSnapshotColumnCapabilities(String column) Sad workaround for SegmentAnalyzer to deal with the fact that the response from IncrementalIndexStorageAdapter.getColumnCapabilities(java.lang.String) is not accurate for string columns, in that it reports all string columns as having multiple values.

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

Modifier and Type	Method and Description
Map<String,ColumnCapabilities>	IncrementalIndex.getColumnCapabilities()

Method parameters in org.apache.druid.segment.incremental with type arguments of type ColumnCapabilities

Modifier and Type	Method and Description
void	IncrementalIndex.loadDimensionIterable(Iterable<String> oldDimensionOrder, Map<String,ColumnCapabilities> oldColumnCapabilities) Currently called to initialize IncrementalIndex dimension order during index creation Index dimension ordering could be changed to initialize from DimensionsSpec after resolution of https://github.com/apache/druid/issues/2011

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

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

Modifier and Type	Method and Description
ColumnCapabilities	HashJoinSegmentStorageAdapter.getColumnCapabilities(String column)
ColumnCapabilities	Joinable.getColumnCapabilities(String columnName) Returns capabilities for one of this Joinable's columns.

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

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

Modifier and Type	Method and Description
ColumnCapabilities	AllNullColumnSelectorFactory.getColumnCapabilities(String columnName)

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

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

Modifier and Type	Method and Description
ColumnCapabilities	LookupJoinable.getColumnCapabilities(String columnName)
ColumnCapabilities	LookupColumnSelectorFactory.getColumnCapabilities(String column)

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

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

Modifier and Type	Method and Description
ColumnCapabilities	IndexedTableColumnSelectorFactory.getColumnCapabilities(String column)
ColumnCapabilities	IndexedTableJoinable.getColumnCapabilities(String columnName)

Uses of ColumnCapabilities in org.apache.druid.segment.vector

Methods in org.apache.druid.segment.vector that return ColumnCapabilities

Modifier and Type	Method and Description
ColumnCapabilities	QueryableIndexVectorColumnSelectorFactory.getColumnCapabilities(String columnName)
ColumnCapabilities	VectorColumnSelectorFactory.getColumnCapabilities(String column) Returns capabilities of a particular column, or null if the column doesn't exist.

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

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

Modifier and Type	Method and Description
ColumnCapabilities	ListFilteredVirtualColumn.capabilities(ColumnInspector inspector, String columnName)
ColumnCapabilities	ExpressionVirtualColumn.capabilities(ColumnInspector inspector, String columnName)
ColumnCapabilities	NestedFieldVirtualColumn.capabilities(ColumnInspector inspector, String columnName)
ColumnCapabilities	ListFilteredVirtualColumn.capabilities(String columnName)
ColumnCapabilities	ExpressionVirtualColumn.capabilities(String columnName)
ColumnCapabilities	NestedFieldVirtualColumn.capabilities(String columnName)
ColumnCapabilities	VirtualizedColumnInspector.getColumnCapabilities(String columnName)
ColumnCapabilities	ExpressionPlan.inferColumnCapabilities(ColumnType outputTypeHint) Tries to construct the most appropriate ColumnCapabilities for this plan given the ExpressionPlan.outputType and ExpressionPlan.traits inferred by the ExpressionPlanner, optionally with the help of hint ValueType.

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

Modifier and Type	Method and Description
static boolean	ExpressionSelectors.canMapOverDictionary(Expr.BindingAnalysis bindingAnalysis, ColumnCapabilities columnCapabilities) Returns whether an expression can be applied to unique values of a particular column (like those in a dictionary) rather than being applied to each row individually.