org.apache.spark.sql.types

Class VarcharType

Object

org.apache.spark.sql.types.DataType

org.apache.spark.sql.types.VarcharType

All Implemented Interfaces:

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

public class VarcharType
extends DataType
implements scala.Product, scala.Serializable

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
VarcharType(int length)

Method Summary

Modifier and Type	Method and Description
abstract static R	apply(T1 v1)
int	defaultSize() The default size of a value of this data type, used internally for size estimation.
int	length()
String	toString()
String	typeName() Name of the type used in JSON serialization.
static boolean	unapply(org.apache.spark.sql.catalyst.expressions.Expression e) Enables matching against AtomicType for expressions:

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

canWrite, catalogString, equalsStructurally, equalsStructurallyByName, fromDDL, fromJson, json, parseTypeWithFallback, prettyJson, simpleString, sql

Methods inherited from class Object

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

Methods inherited from interface scala.Product

$init$, productArity, productElement, productIterator, productPrefix

Methods inherited from interface scala.Equals

canEqual, equals

Constructor Detail

VarcharType

public VarcharType(int length)

Method Detail

apply

public abstract static R apply(T1 v1)

length

public int length()

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

toString

public String toString()

Overrides:

toString in class Object

unapply

public static boolean unapply(org.apache.spark.sql.catalyst.expressions.Expression e)

Enables matching against AtomicType for expressions:

   case Cast(child @ AtomicType(), StringType) =>
     ...
 

Parameters:

e - (undocumented)

Returns:

(undocumented)