create trigger if not exists update_last_updated_witches
  after update on witches
  when OLD.last_updated = NEW.last_updated or OLD.last_updated is null
BEGIN
  update witches set last_updated = (select unixepoch()) where id=NEW.id;
END;

create trigger if not exists update_last_updated_watches
  after update on watches
  when OLD.last_updated = NEW.last_updated or OLD.last_updated is null
BEGIN
  update watches set last_updated = (select unixepoch()) where id=NEW.id;
END;

create trigger if not exists update_last_updated_witch_watch
  after update on witch_watch
  when OLD.last_updated = NEW.last_updated or OLD.last_updated is null
BEGIN
  update witch_watch set last_updated = (select unixepoch()) where id=NEW.id;
END;

create trigger if not exists update_last_updated_covens
  after update on covens
  when OLD.last_updated = NEW.last_updated or OLD.last_updated is null
BEGIN
  update covens set last_updated = (select unixepoch()) where id=NEW.id;
END;

create trigger if not exists update_last_updated_watch_notes
  after update on watch_notes
  when OLD.last_updated = NEW.last_updated or OLD.last_updated is null
BEGIN
  update watch_notes set last_updated = (select unixepoch()) where id=NEW.id;
END;