public function orderByDesc(
        /*# string */ $col,
        /*# bool */ $rawMode = false,
        /*# sting */ $desc = 'DESC'
    ) {
        $this->clause_orderby[] = [
            $rawMode ?: $this->isRaw($col), $col, $desc
        ];
        return $this;
    }
public function orderByDesc(
        /*# string */ $col,
        /*# bool */ $rawMode = false,
        /*# sting */ $desc = 'DESC'
    ) {
        $this->clause_orderby[] = [
            $rawMode ?: $this->isRaw($col), $col, $desc
        ];
        return $this;
    }
{@inheritDoc}