首页 > 代码库 > Spark2 DataFrame数据框常用操作（八）之cube与rollup
Spark2 DataFrame数据框常用操作（八）之cube与rollup
val df6 = spark.sql("select gender,children,max(age),avg(age),count(age) from Affairs group by Cube(gender,children) order by 1,2")
df6.show
+------+--------+--------+--------+----------+
|gender|children|max(age)|avg(age)|count(age)|
+------+--------+--------+--------+----------+
| null| null| 57.0| 34.0| 10|
| null| no| 37.0| 27.0| 6|
| null| yes| 57.0| 44.5| 4|
|female| null| 32.0| 29.0| 5|
|female| no| 32.0| 27.0| 3|
|female| yes| 32.0| 32.0| 2|
| male| null| 57.0| 39.0| 5|
| male| no| 37.0| 27.0| 3|
| male| yes| 57.0| 57.0| 2|
+------+--------+--------+--------+----------+
val df7 = spark.sql("select gender,children,max(age),avg(age),count(age) from Affairs group by rollup(gender,children) order by 1,2")
df7.show
+------+--------+--------+--------+----------+
|gender|children|max(age)|avg(age)|count(age)|
+------+--------+--------+--------+----------+
| null| null| 57.0| 34.0| 10|
|female| null| 32.0| 29.0| 5|
|female| no| 32.0| 27.0| 3|
|female| yes| 32.0| 32.0| 2|
| male| null| 57.0| 39.0| 5|
| male| no| 37.0| 27.0| 3|
| male| yes| 57.0| 57.0| 2|
+------+--------+--------+--------+----------+
Spark2 DataFrame数据框常用操作（八）之cube与rollup
声明：以上内容来自用户投稿及互联网公开渠道收集整理发布，本网站不拥有所有权，未作人工编辑处理，也不承担相关法律责任，若内容有误或涉及侵权可进行投诉： 投诉/举报 工作人员会在5个工作日内联系你，一经查实，本站将立刻删除涉嫌侵权内容。