SELECT
  min(ref_11.c_ou2) as c1,
  max(ref_11.c_ou2) as c2,

  min(
    cast(truncate(
      cast(-26340 as double), 
      cast(ref_11.c_ou2 as signed)) as double)) as c3
FROM
  t_rl02 as ref_11
GROUP BY
  ref_11.c_nxsiwx0co
order by 1,2,3;