@EverythingIsNonnullByDefault

Package org.apache.druid.segment.column

Interface Summary

Interface	Description
BaseColumn
BitmapIndex
ColumnCapabilities
ColumnConfig
ColumnHolder
ComplexColumn	This interface represents a complex column and can be implemented by druid extension writer of a custom column with arbitrary serialization instead of a custom column that serializes rows of objects serialized using GenericIndexed class which is default implementation of "writeToXXX" methods in ComplexColumnSerializer.
DictionaryEncodedColumn<ActualType extends Comparable<? super ActualType>>
NumericColumn
SpatialIndex

Class Summary

Class	Description
ColumnBuilder
ColumnCapabilitiesImpl
ColumnDescriptor
ColumnDescriptor.Builder
DoublesColumn
FloatsColumn
GenericIndexedBasedComplexColumn	Implementation of ComplexColumn to be used when complex column serialization is done by using GenericIndexed by using default implementations of "writeToXXX" methods in ComplexColumnSerializer
LongsColumn
RowSignature	Type signature for a row in a Druid datasource or query result.
RowSignature.Builder
StringDictionaryEncodedColumn
UnknownTypeComplexColumn

Enum Summary

Enum	Description
ColumnCapabilities.Capable
ValueType	Should be the same as DimensionSchema.ValueType.