org.apache.spark.sql.types

Class StructField

Object

org.apache.spark.sql.types.StructField

All Implemented Interfaces:

java.io.Serializable, scala.Equals, scala.Product

public class StructField
extends Object
implements scala.Product, scala.Serializable

A field inside a StructType. param: name The name of this field. param: dataType The data type of this field. param: nullable Indicates if values of this field can be null values. param: metadata The metadata of this field. The metadata should be preserved during transformation if the content of the column is not modified, e.g, in selection.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
StructField(String name, DataType dataType, boolean nullable, Metadata metadata)

Method Summary

Methods

Modifier and Type	Method and Description
abstract static boolean	canEqual(Object that)
DataType	dataType()
abstract static boolean	equals(Object that)
Metadata	metadata()
String	name()
boolean	nullable()
abstract static int	productArity()
abstract static Object	productElement(int n)
static scala.collection.Iterator<Object>	productIterator()
static String	productPrefix()
String	toString()

Methods inherited from class Object

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

Methods inherited from interface scala.Product

productArity, productElement, productIterator, productPrefix

Methods inherited from interface scala.Equals

canEqual, equals

Constructor Detail

StructField

public StructField(String name,
           DataType dataType,
           boolean nullable,
           Metadata metadata)

Method Detail

canEqual

public abstract static boolean canEqual(Object that)

equals

public abstract static boolean equals(Object that)

productElement

public abstract static Object productElement(int n)

productArity

public abstract static int productArity()

productIterator

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

productPrefix

public static String productPrefix()

name

public String name()

dataType

public DataType dataType()

nullable

public boolean nullable()

metadata

public Metadata metadata()

toString

public String toString()

Overrides:

toString in class Object