Package org.apache.spark.sql.types
Class NullType
Object
org.apache.spark.sql.types.DataType
org.apache.spark.sql.types.NullType
The data type representing
NULL
values. Please use the singleton DataTypes.NullType
.
- Since:
- 1.3.0
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionabstract static boolean
static String
int
The default size of a value of this data type, used internally for size estimation.abstract static boolean
static String
json()
static String
abstract static int
abstract static Object
productElement
(int n) static scala.collection.Iterator<Object>
static String
static String
static String
sql()
typeName()
Name of the type used in JSON serialization.Methods inherited from class org.apache.spark.sql.types.DataType
catalogString, equalsIgnoreCaseAndNullability, equalsIgnoreNullability, equalsStructurally, equalsStructurallyByName, fromDDL, fromJson, json, parseTypeWithFallback, prettyJson, simpleString, sql
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Constructor Details
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NullType
public NullType()
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Method Details
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json
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prettyJson
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simpleString
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catalogString
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sql
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canEqual
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equals
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productElement
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productArity
public abstract static int productArity() -
productIterator
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productPrefix
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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 classDataType
- Returns:
- (undocumented)
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typeName
Description copied from class:DataType
Name of the type used in JSON serialization.
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