public function offset(/*# int */ $offset)
    {
        if (!empty($this->clause_limit)) {
            $this->clause_limit[1] = (int) $offset;
        } else {
            $this->clause_limit = [ 0, (int) $offset];
        }
        return $this;
    }
public function offset(/*# int */ $offset)
    {
        if (!empty($this->clause_limit)) {
            $this->clause_limit[1] = (int) $offset;
        } else {
            $this->clause_limit = [ 0, (int) $offset];
        }
        return $this;
    }
{@inheritDoc}