pyflink.table.types.DataTypes.NULL

static DataTypes.NULL() → NullType

Data type for representing untyped null (None) values. A null type has no other value except null (None), thus, it can be cast to any nullable type.

This type helps in representing unknown types in API calls that use a null (None) literal as well as bridging to formats such as JSON or Avro that define such a type as well.

The null type is an extension to the SQL standard.

Note

NullType is still not supported yet.