Data type Value type in Scala API to access or create a data type ByteType Byte ByteType ShortType Short ShortType IntegerType Int IntegerType LongType Long LongType FloatType Float FloatType DoubleType Double DoubleType DecimalType scala.math.sql.BigDecimal DecimalType StringType String StringType BinaryType Array[Byte] BinaryType BooleanType Boolean BooleanType TimestampType java.sql.Timestamp TimestampType ArrayType scala.collection.Seq ArrayType(elementType, [containsNull])
Note: The default value of containsNull is false. MapType scala.collection.Map MapType(keyType, valueType, [valueContainsNull])
Note: The default value of valueContainsNull is true. StructType org.apache.spark.sql.Row StructType(fields)
Note: fields is a Seq of StructFields. Also, two fields with the same name are not allowed. StructField The value type in Scala of the data type of this field (For example, Int for a StructField with the data type IntegerType) StructField(name, dataType, nullable)