考虑一个基表 employee 从employee派生的表称为 employee_salary_period 它包含一个复杂的数据类型 map . 如何从中选择和插入数据 employee 进入 employee_salary_period 哪里 salary_period_map 是一个键值对，即。 salary: period ```
CREATE TABLE employee(
emp_id bigint,
name string,
address string,
salary double,
period string,
position string
)
PARTITIONED BY (
dept_id bigint)
STORED AS PARQUET

CREATE TABLE employee_salary_period(
emp_id
name string,
salary string,
period string,
salary_period_map Map<String,String>,
)
PARTITIONED BY (
dept_id bigint)
STORED AS PARQUET

我一直在想如何选择数据作为工资\期间\Map