public class NullType extends DataType
NullType
is represented by the singleton object DataType.NullType
.BinaryType, BooleanType, ByteType, DateType, DoubleType, FloatType, IntegerType, LongType, NullType, ShortType, StringType, TimestampType
createArrayType, createArrayType, createMapType, createMapType, createStructField, createStructField, createStructType, createStructType