## TransActionQueue ~~~ TransActionQueue::begin(); $this->t1(); $this->t2(); $this->t3(); $res = TransActionQueue::end(); show_dump($res); show_dump(TransActionQueue::getErrorList()); ~~~  ``` private function t1(){ $data['name'] = RandomHelper::randChars(30); $trans = new TransAction(); $trans->insert('a',$data); $trans->execute(); } private function t2(){ $data['name'] = RandomHelper::randChars(30); $trans = new TransAction(); $trans->abort('t2'); // $trans->insert('a',$data); $trans->execute(); } private function t3(){ $data['name'] = RandomHelper::randChars(30); $trans = new TransAction(); $trans->insert('aa',$data); $trans->execute(); } ```