org.apache.spark.sql

Class ColumnName

Object

org.apache.spark.sql.Column

org.apache.spark.sql.ColumnName

All Implemented Interfaces:

Logging

public class ColumnName
extends Column

:: Experimental :: A convenient class used for constructing schema.

Constructor Summary

Constructors

Constructor and Description
ColumnName(String name)

Method Summary

Methods

Modifier and Type	Method and Description
StructField	array(DataType dataType) Creates a new AttributeReference of type array
StructField	binary() Creates a new AttributeReference of type binary
StructField	date() Creates a new AttributeReference of type date
StructField	decimal() Creates a new AttributeReference of type decimal
StructField	decimal(int precision, int scale) Creates a new AttributeReference of type decimal
StructField	map(DataType keyType, DataType valueType) Creates a new AttributeReference of type map
StructField	map(MapType mapType)
StructField	string() Creates a new AttributeReference of type string
StructField	struct(scala.collection.Seq<StructField> fields) Creates a new AttributeReference of type struct
StructField	struct(StructType structType)
StructField	timestamp() Creates a new AttributeReference of type timestamp

Methods inherited from class org.apache.spark.sql.Column

and, apply, apply, as, as, asc, cast, cast, contains, desc, divide, endsWith, endsWith, eqNullSafe, equals, equalTo, explain, geq, getField, getItem, gt, hashCode, in, in, isNotNull, isNull, leq, like, lt, minus, mod, multiply, notEqual, or, plus, rlike, startsWith, startsWith, substr, substr, toString, unapply

Methods inherited from class Object

getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.spark.Logging

initializeIfNecessary, initializeLogging, isTraceEnabled, log_, log, logDebug, logDebug, logError, logError, logInfo, logInfo, logName, logTrace, logTrace, logWarning, logWarning

Constructor Detail

ColumnName

public ColumnName(String name)

Method Detail

string

public StructField string()

Creates a new AttributeReference of type string

date

public StructField date()

Creates a new AttributeReference of type date

decimal

public StructField decimal()

Creates a new AttributeReference of type decimal

decimal

public StructField decimal(int precision,
                  int scale)

Creates a new AttributeReference of type decimal

timestamp

public StructField timestamp()

Creates a new AttributeReference of type timestamp

binary

public StructField binary()

Creates a new AttributeReference of type binary

array

public StructField array(DataType dataType)

Creates a new AttributeReference of type array

map

public StructField map(DataType keyType,
              DataType valueType)

Creates a new AttributeReference of type map

map

public StructField map(MapType mapType)

struct

public StructField struct(scala.collection.Seq<StructField> fields)

Creates a new AttributeReference of type struct

struct

public StructField struct(StructType structType)