code: public final Float getFloat(final String pNm) throws ExceptionWithCode {
      if (this.floats != null && this.floats.keySet().contains(pNm)) {
        return this.floats.get(pNm);
      }
      throw new ExceptionWithCode(ExceptionWithCode.WRONG_PARAMETER,
      "There is no field - " + pNm);
    }
docs: <p>Get column with Float val.</p>
  @param pNm column name
  @return Float column val
  @throws ExceptionWithCode if field not found