Delete multiple key/value pairs or string elements from left operand

jsonb_delete_array.sql

--
-- Coming in PostgreSQL 10
-- https://www.postgresql.org/docs/10/static/functions-json.html
--
create or replace function jsonb_delete_array(data jsonb, keys text[])
returns jsonb immutable language sql
as $function$
    select coalesce((
        select jsonb_object_agg(key, value)
        from jsonb_each(data)
        where key <> all(keys)
    ), '{}'::jsonb)
$function$;