hive 使用get_json_object函数进行json字段解析

 select code_name from test.json_test where  code_name='{"code":"1","name":"张无忌"}';
结果》》{"code":"1","name":"张无忌"}

select get_json_object(code_name,'$.code') code,get_json_object(code_name,'$.name') name
from test.json_test where code_name='{"code":"1","name":"张无忌"}';
结果》》   1      张无忌