NullType

class pyspark.sql.types.NullType[source]

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[source]