public function returning($returning)
    {
        if (is_array($returning) === true) {
            $this->returning = implode(', ', $returning);
        } else {
            $this->returning = $returning;
        }

        return $this;
    }
public function returning($returning)
    {
        if (is_array($returning) === true) {
            $this->returning = implode(', ', $returning);
        } else {
            $this->returning = $returning;
        }

        return $this;
    }
public function returning ( $ returning ) { if ( is_array ( $ returning ) === true ) { $ this -> returning = implode ( ', ' , $ returning ) ; } else { $ this -> returning = $ returning ; } return $ this ; }
Set returning clause.

@param  array|string $returning returning clause
@return Insert       this
Set returning clause .