/* * *王家林老师授课http://weibo.com/ilovepains */ 每天晚上20：00YY频道现场授课频道68917580
输入数据
"Spark", "Spark","Hadoop", "Spark", "Hadoop", "Spark","Spark", "Hadoop", "Spark", "Hadoop"
sqlContext.sql("select word, computeLength(word) as length frombigDataTable").show
输出数据
+------+------+
