如何拆分列?
How to split a column?
我想看看是否可以拆分 spark 数据帧中的列。像这样,
Select employee, split(department,"_") from Employee
试试这个:
SELECT explode(split(str, '_'))
或者这样:
SELECT split(str, ' ')[0] as part1, split(str, ' ')[1] as part2
我想看看是否可以拆分 spark 数据帧中的列。像这样,
Select employee, split(department,"_") from Employee
试试这个:
SELECT explode(split(str, '_'))
或者这样:
SELECT split(str, ' ')[0] as part1, split(str, ' ')[1] as part2