Hive - 从嵌套 Json 中提取数据

Question

我 table 调用了 newdata

create external table newdata
(
data string
)
location 'something'

select data from string limit 1

{ "user": { "name": "default", "education": { "schoome": "abc", "college": "def" } } 

我需要将此结果显示为

|用户 |姓名 |学校 |大学|

|--------|--------|--------|----------|

Answer 1

select  json_extract_scalar (data,'$.user.name')              as name
       ,json_extract_scalar (data,'$.user.education.school')  as school
       ,json_extract_scalar (data,'$.user.education.college') as college

from    newdata