text: 
  create or replace function londiste.subscriber_get_seq_list(i_queue_name text)
  returns setof text as $$
  declare
      rec record;
  begin
      for rec in
          select seq_name from londiste.subscriber_seq
              where queue_name = i_queue_name
              order by nr
      loop
          return next rec.seq_name;
      end loop;
      return;
  end;
  $$ language plpgsql security definer;
  
  