一个spark SQL和DataFrames的故事
packagecom.lin.sparkimportorg.apache.spark.sql.{Row,SparkSession}importorg.apache.spark.sql.types.{StringType,StructField,StructType}/***CreatedbyYaoooon2019/6/8.*/objectSparkSQLExample{caseclassPerson(name:String,age:Long)defmain(