public function select($columns = ['*'])
    {
        parent::select($columns);

        $this->columns = $this->qualifyColumns($this->columns);

        return $this;
    }
public function select($columns = ['*'])
    {
        parent::select($columns);

        $this->columns = $this->qualifyColumns($this->columns);

        return $this;
    }
public function select ( $ columns = [ '*' ] ) { parent :: select ( $ columns ) ; $ this -> columns = $ this -> qualifyColumns ( $ this -> columns ) ; return $ this ; }
Set the columns to be selected.

@param  array|mixed  $columns
@return $this
Set the columns to be selected .