get_json_object (column name, '$. sieved required fields')
⬆️ using the above method, all the fields are extracted from the string format.
SELECT get_json_object (COL name in Hive, ' $ .json field ' ) AS <the any name you want> from <Hive tables> WHERE <partition field may need to add>
If PS is extracted json array, with the need to remove brackets around regular expression, and then explode split field method (may not tried ..
God knows why this study. .