Packages

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 null values.

Annotations
@Stable()
Source
MapType.scala
Linear Supertypes
Serializable, Serializable, Product, Equals, DataType, AbstractDataType, AnyRef, Any
Ordering
  1. Alphabetic
  2. By Inheritance
Inherited
  1. MapType
  2. Serializable
  3. Serializable
  4. Product
  5. Equals
  6. DataType
  7. AbstractDataType
  8. AnyRef
  9. Any
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Visibility
  1. Public
  2. All

Instance Constructors

  1. new MapType()

    No-arg constructor for kryo.

  2. new MapType(keyType: DataType, valueType: DataType, valueContainsNull: Boolean)

    keyType

    The data type of map keys.

    valueType

    The data type of map values.

    valueContainsNull

    Indicates if map values have null values.

Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int
    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  4. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  5. def catalogString: String

    String representation for the type saved in external catalogs.

    String representation for the type saved in external catalogs.

    Definition Classes
    MapTypeDataType
  6. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  7. 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).

    The default size of a value of the MapType is (the default size of the key type + the default size of the value type). We assume that there is only 1 element on average in a map. See SPARK-18853.

    Definition Classes
    MapTypeDataType
  8. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  9. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  10. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  11. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  12. def json: String

    The compact JSON representation of this data type.

    The compact JSON representation of this data type.

    Definition Classes
    DataType
  13. val keyType: DataType
  14. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  15. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  16. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  17. def prettyJson: String

    The pretty (i.e.

    The pretty (i.e. indented) JSON representation of this data type.

    Definition Classes
    DataType
  18. def simpleString: String

    Readable string representation for the type.

    Readable string representation for the type.

    Definition Classes
    MapTypeDataType → AbstractDataType
  19. def sql: String
    Definition Classes
    MapTypeDataType
  20. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  21. def typeName: String

    Name of the type used in JSON serialization.

    Name of the type used in JSON serialization.

    Definition Classes
    DataType
  22. val valueContainsNull: Boolean
  23. val valueType: DataType
  24. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  25. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  26. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()

Inherited from Serializable

Inherited from Serializable

Inherited from Product

Inherited from Equals

Inherited from DataType

Inherited from AbstractDataType

Inherited from AnyRef

Inherited from Any

Ungrouped