协程客户端在ON DUPLICATE KEY UPDATE 的时候，affect rows 和 insert Id和mysqli不一致。 about swoole-src HOT 6 CLOSED

<?php

declare(strict_types=1);

use Swoole\Coroutine\MySQL;

// mysqli
$mysqli = new \mysqli('127.0.0.1', 'root', 'root', 'swoole');
$mysqli->query('TRUNCATE student_score');
$stmt = $mysqli->prepare('INSERT  INTO `student_score` (`scoreId`, `studentId`, `courseId`, `score`)  VALUES (?, ?, ?, ?) ON DUPLICATE KEY UPDATE `score` = ?');
$stmt->execute([1,1,1,1,1]);
var_dump($stmt->insert_id, $stmt->affected_rows);
$stmt->execute([1,1,1,1,1]);
var_dump($stmt->insert_id, $stmt->affected_rows);

// swoole
Co\run(function(){
    $mysql = new MySQL();
    $mysql->connect([
        'host'     => '127.0.0.1',
        'port'     => 3306,
        'user'     => 'root',
        'password' => 'root',
        'database' => 'swoole',
    ]);
    $mysql->query('TRUNCATE student_score');
    $stmt = $mysql->prepare('INSERT  INTO `student_score` (`scoreId`, `studentId`, `courseId`, `score`)  VALUES (?, ?, ?, ?) ON DUPLICATE KEY UPDATE `score` = ?');
    $stmt->execute([1,1,1,1,1]);
    var_dump($stmt->insert_id, $stmt->affected_rows);
    $stmt->execute([1,1,1,1,1]);
    var_dump($stmt->insert_id, $stmt->affected_rows);
});