Constant BOOK_IDS 

const BOOK_IDS: &str = "ARRAY(SELECT b.id FROM notebooks b JOIN notebook_notes bn ON bn.notebook_id=b.id
    WHERE bn.note_id=n.id AND ($1::int IS NOT NULL OR (b.is_public AND b.archived_at IS NULL))
      AND ($2::int[] IS NULL OR b.id=ANY($2)) ORDER BY b.id) AS notebook_ids";