NullType

class pyspark.sql.types.NullType

Null type.

The data type representing None, used for the types that cannot be inferred.

Methods

fromInternal(obj)	Converts an internal SQL object into a native Python object.
json()
jsonValue()
needConversion()	Does this type needs conversion between Python object and internal SQL object.
simpleString()
toInternal(obj)	Converts a Python object into an internal SQL object.
typeName()

Methods Documentation

fromInternal(obj: Any) → Any

Converts an internal SQL object into a native Python object.

json() → str

jsonValue() → Union[str, Dict[str, Any]]

needConversion() → bool

Does this type needs conversion between Python object and internal SQL object.

This is used to avoid the unnecessary conversion for ArrayType/MapType/StructType.

simpleString() → str

toInternal(obj: Any) → Any

Converts a Python object into an internal SQL object.

classmethod typeName() → str

MapType ShortType