How to get only the jsonb of specific keys from postgres?

Question

I\'m aware that you can remove keys from a jsonb in postgres using something like this

select \'{\"a\": 1, \"b\": 2, \"c\":3}\'::jsonb -\'a\';
 ?column?
--------         


        

Answer 1

I actually found that this way works to.

select jsonb_build_object('key', column->'key') from table;

reference: https://www.reddit.com/r/PostgreSQL/comments/73auce/new_user_to_postgres_can_i_grab_multiple_keys_of/