org.apache.spark.sql.types

Class NullType

Object

org.apache.spark.sql.types.DataType

org.apache.spark.sql.types.NullType

public class NullType
extends DataType

:: DeveloperApi :: The data type representing NULL values. Please use the singleton DataTypes.NullType.

Method Summary

Methods

Modifier and Type	Method and Description
NullType	asNullable() Returns the same data type but set all nullability fields are true (StructField.nullable, ArrayType.containsNull, and MapType.valueContainsNull).
int	defaultSize() The default size of a value of this data type.

Methods inherited from class org.apache.spark.sql.types.DataType

equalsIgnoreCompatibleNullability, equalsIgnoreNullability, fromCaseClassString, fromJson, isPrimitive, json, jsonValue, prettyJson, sameType, simpleString, typeName, unapply

Methods inherited from class Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

defaultSize

public int defaultSize()

Description copied from class: DataType

The default size of a value of this data type.

Specified by:

defaultSize in class DataType

asNullable

public NullType asNullable()

Description copied from class: DataType

Returns the same data type but set all nullability fields are true (StructField.nullable, ArrayType.containsNull, and MapType.valueContainsNull).

Specified by:

asNullable in class DataType