text: DO
  $DO$
  BEGIN
    IF register_patch('AddEquipmentColor.sql', 'Martin Trajanovski', 'Add equipment color', '2021-12-20 13:00:00.000000+00') THEN
    BEGIN
  
      ALTER TABLE "equipments"
      ADD COLUMN IF NOT EXISTS "color" varchar(20) DEFAULT NULL;
  
    END;
    END IF;
  END;
  $DO$
  LANGUAGE plpgsql;
  