create table rating_view_types (
  key text primary key not null,
  created_at timestamptz not null default now()
);

insert into rating_view_types (key) values ('slide');
insert into rating_view_types (key) values ('numbersSquare');
insert into rating_view_types (key) values ('gradingSlider');
insert into rating_view_types (key) values ('gradingDropdown');
insert into rating_view_types (key) values ('stars');
insert into rating_view_types (key) values ('emoticons');
insert into rating_view_types (key) values ('numbers');
insert into rating_view_types (key) values ('smilies');
insert into rating_view_types (key) values ('bars');