public function renderPk(): string
    {
        $output = '';

        if ($this->primaryKey->isComposite()) {
            $output .= "\n" . $this->primaryKey->render($this);
        }

        return $output;
    }
public function renderPk(): string
    {
        $output = '';

        if ($this->primaryKey->isComposite()) {
            $output .= "\n" . $this->primaryKey->render($this);
        }

        return $output;
    }
public function renderPk ( ) : string { $ output = '' ; if ( $ this -> primaryKey -> isComposite ( ) ) { $ output .= "\n" . $ this -> primaryKey -> render ( $ this ) ; } return $ output ; }
Renders the primary key.
@return string
Renders the primary key .