我有两列年龄和薪水存储在DF中.我只想编写一个scala代码来逐列添加这些值.我试过了
val age_1 = df.select("age") val salary_1=df.select("salary") val add = age_1+salary_1
给我错误.请帮忙
scala apache-spark apache-spark-sql apache-spark-2.0
apache-spark ×1
apache-spark-2.0 ×1
apache-spark-sql ×1
scala ×1