Class ExtensionType

Namespace

Apache.Arrow

Assembly

Apache.Arrow.dll

Base class for user-defined extension types. Extension types are logical types layered on top of a built-in Arrow storage type, identified by a name string.

public abstract class ExtensionType : IArrowType

Inheritance

object

ExtensionType

Implements

IArrowType

Derived

Bool8Type

GuidType

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Extension Methods

ArrowTypeExtensions.IsFloatingPoint(IArrowType)

ArrowTypeExtensions.IsIntegral(IArrowType)

Constructors

ExtensionType(IArrowType)

protected ExtensionType(IArrowType storageType)

Parameters

storageType IArrowType

Properties

ExtensionMetadata

Serialized extension metadata. May be null or empty.

public abstract string ExtensionMetadata { get; }

Property Value

string

IsFixedWidth

public bool IsFixedWidth { get; }

Property Value

bool

Name

The canonical extension type name (e.g. "arrow.uuid").

public abstract string Name { get; }

Property Value

string

StorageType

The underlying Arrow storage type.

public IArrowType StorageType { get; }

Property Value

IArrowType

TypeId

public ArrowTypeId TypeId { get; }

Property Value

ArrowTypeId

Methods

Accept(IArrowTypeVisitor)

public void Accept(IArrowTypeVisitor visitor)

Parameters

visitor IArrowTypeVisitor

CreateArray(IArrowArray)

Create the appropriate ExtensionArray wrapper for a storage array.

public abstract ExtensionArray CreateArray(IArrowArray storageArray)

Parameters

storageArray IArrowArray

Returns

ExtensionArray