case class MapType(keyType: DataType, valueType: DataType, valueContainsNull: Boolean) extends DataType with Product with Serializable
The data type for Maps. Keys in a map are not allowed to have null values.
Please use DataTypes.createMapType() to create a specific instance.
- keyType
The data type of map keys.
- valueType
The data type of map values.
- valueContainsNull
Indicates if map values have
nullvalues.
- Annotations
- @Stable()
- Source
- MapType.scala
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final
def
!=(arg0: Any): Boolean
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final
def
##(): Int
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final
def
==(arg0: Any): Boolean
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final
def
asInstanceOf[T0]: T0
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def
catalogString: String
String representation for the type saved in external catalogs.
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def
clone(): AnyRef
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- @throws( ... ) @native()
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def
defaultSize: Int
The default size of a value of the MapType is (the default size of the key type + the default size of the value type).
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final
def
eq(arg0: AnyRef): Boolean
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def
finalize(): Unit
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final
def
getClass(): Class[_]
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final
def
isInstanceOf[T0]: Boolean
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def
json: String
The compact JSON representation of this data type.
The compact JSON representation of this data type.
- Definition Classes
- DataType
- val keyType: DataType
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final
def
ne(arg0: AnyRef): Boolean
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final
def
notify(): Unit
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final
def
notifyAll(): Unit
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def
prettyJson: String
The pretty (i.e.
The pretty (i.e. indented) JSON representation of this data type.
- Definition Classes
- DataType
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def
simpleString: String
Readable string representation for the type.
- def sql: String
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final
def
synchronized[T0](arg0: ⇒ T0): T0
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def
typeName: String
Name of the type used in JSON serialization.
Name of the type used in JSON serialization.
- Definition Classes
- DataType
- val valueContainsNull: Boolean
- val valueType: DataType
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final
def
wait(): Unit
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final
def
wait(arg0: Long, arg1: Int): Unit
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final
def
wait(arg0: Long): Unit
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