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

Packages that use ColumnSelector

Package	Description
org.apache.druid.query.filter
org.apache.druid.segment
org.apache.druid.segment.vector
org.apache.druid.segment.virtual

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

Subinterfaces of ColumnSelector in org.apache.druid.query.filter

Modifier and Type	Interface	Description
interface	ColumnIndexSelector

Uses of ColumnSelector in org.apache.druid.segment

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

Modifier and Type	Class	Description
class	ColumnCache	Wraps QueryableIndex and VirtualColumns, providing a unified view of physical and virtual columns, as well as lifecycle management for physical columns.

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

Modifier and Type	Method	Description
default ColumnValueSelector<?>	VirtualColumn.makeColumnValueSelector(String columnName, ColumnSelectorFactory columnSelectorFactory, ColumnSelector columnSelector, ReadableOffset offset)	Builds a selector corresponding to this virtual column.
default ColumnValueSelector<?>	VirtualColumn.makeColumnValueSelector(String columnName, ColumnSelector columnSelector, ReadableOffset offset)	Deprecated. use VirtualColumn.makeColumnValueSelector(String, ColumnSelectorFactory, ColumnSelector, ReadableOffset)
ColumnValueSelector<?>	VirtualColumns.makeColumnValueSelector(String columnName, ColumnSelectorFactory selectorFactory, ColumnSelector columnSelector, ReadableOffset offset)	Create a column value selector.
default DimensionSelector	VirtualColumn.makeDimensionSelector(DimensionSpec dimensionSpec, ColumnSelectorFactory columnSelectorFactory, ColumnSelector columnSelector, ReadableOffset offset)	Build a selector corresponding to this virtual column.
default DimensionSelector	VirtualColumn.makeDimensionSelector(DimensionSpec dimensionSpec, ColumnSelector columnSelector, ReadableOffset offset)	Deprecated. use VirtualColumn.makeDimensionSelector(DimensionSpec, ColumnSelectorFactory, ColumnSelector, ReadableOffset)
DimensionSelector	VirtualColumns.makeDimensionSelector(DimensionSpec dimensionSpec, ColumnSelectorFactory selectorFactory, ColumnSelector columnSelector, ReadableOffset offset)	Create a dimension (string) selector.
MultiValueDimensionVectorSelector	VirtualColumns.makeMultiValueDimensionVectorSelector(DimensionSpec dimensionSpec, VectorColumnSelectorFactory factory, ColumnSelector columnSelector, ReadableVectorOffset offset)	Create a multi value dimension vector (string) selector.
default MultiValueDimensionVectorSelector	VirtualColumn.makeMultiValueVectorDimensionSelector(DimensionSpec dimensionSpec, ColumnSelector columnSelector, ReadableVectorOffset offset)	Deprecated. use VirtualColumn.makeMultiValueVectorDimensionSelector(DimensionSpec, ColumnSelector, ReadableVectorOffset)
default MultiValueDimensionVectorSelector	VirtualColumn.makeMultiValueVectorDimensionSelector(DimensionSpec dimensionSpec, VectorColumnSelectorFactory factory, ColumnSelector columnSelector, ReadableVectorOffset offset)	Build a selector corresponding to this virtual column.
SingleValueDimensionVectorSelector	VirtualColumns.makeSingleValueDimensionVectorSelector(DimensionSpec dimensionSpec, VectorColumnSelectorFactory factory, ColumnSelector columnSelector, ReadableVectorOffset offset)	Create a single value dimension vector (string) selector.
default SingleValueDimensionVectorSelector	VirtualColumn.makeSingleValueVectorDimensionSelector(DimensionSpec dimensionSpec, ColumnSelector columnSelector, ReadableVectorOffset offset)	Deprecated. use VirtualColumn.makeSingleValueVectorDimensionSelector(DimensionSpec, ColumnSelector, ReadableVectorOffset)
default SingleValueDimensionVectorSelector	VirtualColumn.makeSingleValueVectorDimensionSelector(DimensionSpec dimensionSpec, VectorColumnSelectorFactory factory, ColumnSelector columnSelector, ReadableVectorOffset offset)	Build a selector corresponding to this virtual column.
default VectorObjectSelector	VirtualColumn.makeVectorObjectSelector(String columnName, ColumnSelector columnSelector, ReadableVectorOffset offset)	Deprecated. use VirtualColumn.makeVectorObjectSelector(String, ColumnSelector, ReadableVectorOffset)
default VectorObjectSelector	VirtualColumn.makeVectorObjectSelector(String columnName, VectorColumnSelectorFactory factory, ColumnSelector columnSelector, ReadableVectorOffset offset)	Build a selector corresponding to this virtual column.
VectorObjectSelector	VirtualColumns.makeVectorObjectSelector(String columnName, VectorColumnSelectorFactory factory, ColumnSelector columnSelector, ReadableVectorOffset offset)	Create a column vector object selector.
default VectorValueSelector	VirtualColumn.makeVectorValueSelector(String columnName, ColumnSelector columnSelector, ReadableVectorOffset offset)	Deprecated. use VirtualColumn.makeVectorValueSelector(String, ColumnSelector, ReadableVectorOffset)
default VectorValueSelector	VirtualColumn.makeVectorValueSelector(String columnName, VectorColumnSelectorFactory factory, ColumnSelector columnSelector, ReadableVectorOffset offset)	Build a selector corresponding to this virtual column.
VectorValueSelector	VirtualColumns.makeVectorValueSelector(String columnName, VectorColumnSelectorFactory factory, ColumnSelector columnSelector, ReadableVectorOffset offset)	Create a column vector value selector.

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

Modifier	Constructor	Description
	QueryableIndexColumnSelectorFactory(VirtualColumns virtualColumns, Order timeOrder, ReadableOffset offset, ColumnSelector columnSelector)

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

Constructors in org.apache.druid.segment.vector with parameters of type ColumnSelector

Modifier	Constructor	Description
	QueryableIndexVectorColumnSelectorFactory(ReadableVectorOffset offset, ColumnSelector columnSelector, VirtualColumns virtualColumns)

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

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

Modifier and Type	Method	Description
ColumnValueSelector<?>	NestedFieldVirtualColumn.makeColumnValueSelector(String columnName, ColumnSelectorFactory selectorFactory, ColumnSelector columnSelector, ReadableOffset offset)
ColumnValueSelector<?>	SpecializedExpressionVirtualColumn.makeColumnValueSelector(String columnName, ColumnSelectorFactory columnSelectorFactory, ColumnSelector columnSelector, ReadableOffset offset)
DimensionSelector	NestedFieldVirtualColumn.makeDimensionSelector(DimensionSpec dimensionSpec, ColumnSelectorFactory selectorFactory, ColumnSelector columnSelector, ReadableOffset offset)
DimensionSelector	SpecializedExpressionVirtualColumn.makeDimensionSelector(DimensionSpec dimensionSpec, ColumnSelectorFactory columnSelectorFactory, ColumnSelector columnSelector, ReadableOffset offset)
MultiValueDimensionVectorSelector	SpecializedExpressionVirtualColumn.makeMultiValueVectorDimensionSelector(DimensionSpec dimensionSpec, VectorColumnSelectorFactory factory, ColumnSelector columnSelector, ReadableVectorOffset offset)
SingleValueDimensionVectorSelector	NestedFieldVirtualColumn.makeSingleValueVectorDimensionSelector(DimensionSpec dimensionSpec, VectorColumnSelectorFactory selectorFactory, ColumnSelector columnSelector, ReadableVectorOffset offset)
SingleValueDimensionVectorSelector	SpecializedExpressionVirtualColumn.makeSingleValueVectorDimensionSelector(DimensionSpec dimensionSpec, VectorColumnSelectorFactory factory, ColumnSelector columnSelector, ReadableVectorOffset offset)
VectorObjectSelector	NestedFieldVirtualColumn.makeVectorObjectSelector(String columnName, VectorColumnSelectorFactory selectorFactory, ColumnSelector columnSelector, ReadableVectorOffset offset)
VectorObjectSelector	SpecializedExpressionVirtualColumn.makeVectorObjectSelector(String columnName, VectorColumnSelectorFactory factory, ColumnSelector columnSelector, ReadableVectorOffset offset)
VectorValueSelector	NestedFieldVirtualColumn.makeVectorValueSelector(String columnName, VectorColumnSelectorFactory selectorFactory, ColumnSelector columnSelector, ReadableVectorOffset offset)
VectorValueSelector	SpecializedExpressionVirtualColumn.makeVectorValueSelector(String columnName, VectorColumnSelectorFactory factory, ColumnSelector columnSelector, ReadableVectorOffset offset)