摘要:
package com.jason.example import org.apache.spark.sql.functions.broadcast class DFTest extends SparkInstance { import spark.implicits._ val df = Seq( ("jason", 1, "理想",0), (null, 2, "... 阅读全文
摘要:
package com.jason.example import org.apache.spark.rdd.RDD class RddTest extends SparkInstance { val sc = spark.sparkContext val rdd = sc.parallelize(1 to 10) val rdd2 = sc.parallelize(9 to 15... 阅读全文