Package 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

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

Since:

1.3.0

Constructor Summary

Constructors

Constructor	Description
NullType()

Method Summary

Modifier and Type	Method	Description
abstract static boolean	canEqual(Object that)
static String	catalogString()
int	defaultSize()	The default size of a value of this data type, used internally for size estimation.
abstract static boolean	equals(Object that)
static String	json()
static String	prettyJson()
abstract static int	productArity()
abstract static Object	productElement(int n)
static String	productElementName(int n)
static scala.collection.Iterator<String>	productElementNames()
static scala.collection.Iterator<Object>	productIterator()
static String	productPrefix()
static String	simpleString()
static String	sql()
String	typeName()	Name of the type used in JSON serialization.

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

catalogString, COLLATIONS_METADATA_KEY, equalsIgnoreCaseAndNullability, equalsIgnoreNullability, equalsStructurally, equalsStructurallyByName, fromDDL, fromJson, json, parseTypeWithFallback, prettyJson, simpleString, sql

Methods inherited from class java.lang.Object

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

Constructor Details

NullType

public NullType()

Method Details

json

public static String json()

prettyJson

public static String prettyJson()

simpleString

public static String simpleString()

catalogString

public static String catalogString()

sql

public static String sql()

canEqual

public abstract static boolean canEqual(Object that)

equals

public abstract static boolean equals(Object that)

productArity

public abstract static int productArity()

productElement

public abstract static Object productElement(int n)

productIterator

public static scala.collection.Iterator<Object> productIterator()

productPrefix

public static String productPrefix()

productElementName

public static String productElementName(int n)

productElementNames

public static scala.collection.Iterator<String> productElementNames()

defaultSize

public int defaultSize()

Description copied from class: DataType

The default size of a value of this data type, used internally for size estimation.

Specified by:

defaultSize in class DataType

Returns:

(undocumented)

typeName

public String typeName()

Description copied from class: DataType

Name of the type used in JSON serialization.

Overrides:

typeName in class DataType