由于项目里面使用到了doris，虽然doris支持mysql协议，但是如果直接把他当mysql使用是行不通的，因为doris并不支持mysql的一些option和mode设置，然后就会一直报错：

SQLSTATE[HY000]: General error: 2013 Lost connection to MySQL server during query (SQL: select sum(totalvisit) total_visit,hour time from `xxx` where `date` between 2023-12-05 and

追踪代码，一直查到

    public function createConnector(array $config){if (! isset($config['driver'])) {throw new InvalidArgumentException('A driver must be specified.');}if ($this->container->bound($key = "db.connector.{$config['driver']}")) {return $this->container->make($key);}switch ($config['driver']) {case 'mysql':return new MySqlConnector;case 'pgsql':return new PostgresConnector;case 'sqlite':return new SQLiteConnector;case 'sqlsrv':return new SqlServerConnector;}throw new InvalidArgumentException("Unsupported driver [{$config['driver']}]");}

因此需要写个Doris的连接器，因为和mysql连接器一样，只需要在connect方法里面去掉option即可。

<?phpnamespace App\Connectors;use Illuminate\Database\Connectors\MySqlConnector;class DorisConnector extends MySqlConnector
{public function connect(array $config){$dsn = $this->getDsn($config);// We need to grab the PDO options that should be used while making the brand// new connection instance. The PDO options control various aspects of the// connection's behavior, and some might be specified by the developers.$connection = $this->createConnection($dsn, $config, []);if (!empty($config['database'])) {$connection->exec("use `{$config['database']}`;");}$this->configureEncoding($connection, $config);// Next, we will check to see if a timezone has been specified in this config// and if it has we will issue a statement to modify the timezone with the// database. Setting this DB timezone is an optional configuration item.$this->configureTimezone($connection, $config);return $connection;}
}

注册了connector以后还是报错，具体报错位置如下：
也就是说还需要注册Connection因此还需要写个connection，并绑定。

protected function createConnection($driver, $connection, $database, $prefix = '', array $config = []){if ($resolver = Connection::getResolver($driver)) {return $resolver($connection, $database, $prefix, $config);}switch ($driver) {case 'mysql':return new MySqlConnection($connection, $database, $prefix, $config);case 'pgsql':return new PostgresConnection($connection, $database, $prefix, $config);case 'sqlite':return new SQLiteConnection($connection, $database, $prefix, $config);case 'sqlsrv':return new SqlServerConnection($connection, $database, $prefix, $config);}throw new InvalidArgumentException("Unsupported driver [$driver]");}
}

创建 DorisConnection 类时，你需要继承 Laravel 的 Illuminate\Database\MySqlConnection 类，并在类中添加 __construct 方法以及其他必要的方法，以处理与 “doris” 驱动相关的数据库连接逻辑。以下是一个简单的示例：

phpCopy code// app/Database/Connections/DorisConnection.phpnamespace App\Database\Connections;use Illuminate\Database\MySqlConnection;class DorisConnection extends MySqlConnection
{/*** Create a new database connection instance.** @param  \PDO|\Closure  $pdo* @param  string  $database* @param  string  $tablePrefix* @param  array  $config* @return void*/public function __construct($pdo, $database = '', $tablePrefix = '', array $config = []){parent::__construct($pdo, $database, $tablePrefix, $config);// 可以在这里添加额外的初始化逻辑}// 添加你需要的其他方法和逻辑...
}

在这个示例中，DorisConnection 类继承了 Laravel 的 MySqlConnection 类，并添加了一个构造方法，你可以在其中添加与 “doris” 驱动相关的初始化逻辑。这个类中的其他方法可以根据你的需求进行自定义。

确保这个类的命名空间和文件路径与你之前在 AppServiceProvider 中注册的一致。例如，如果你的 DorisConnection 类在 app/Database/Connections 目录下，那么命名空间应该是 App\Database\Connections。

打开 app/Providers/AppServiceProvider.php 文件，确保你在 boot 方法中注册了 “doris” 驱动的连接解析器：

use Illuminate\Support\ServiceProvider;
use App\Database\Connectors\DorisConnector;class AppServiceProvider extends ServiceProvider
{/*** Bootstrap any application services.** @return void*/public function boot(){$this->app->bind('db.connector.doris', DorisConnector::class);// 手动指定连接解析器\Illuminate\Database\Connection::resolverFor('doris', function ($connection, $database, $prefix, $config) {return new \App\Database\Connections\DorisConnection($connection, $database, $prefix, $config);});}
}

最后，在使用的时候，在database.php里面还需要配置：

// config/database.php'connections' => [// ...'doris' => ['driver' => 'doris','host' => env('DB_DORIS_HOST', '127.0.0.1'),'port' => env('DB_DORIS_PORT', '3306'),'database' => env('DB_DORIS_DATABASE', 'forge'),'username' => env('DB_DORIS_USERNAME', 'forge'),'password' => env('DB_DORIS_PASSWORD', ''),// 其他配置项...],
],

在这里，我们使用 \Illuminate\Database\Connection::resolverFor 方法手动指定 “doris” 驱动的连接解析器，并创建了一个与之关联的自定义连接类 DorisConnection。确保 DorisConnection 类存在，并且包含了正确的连接逻辑。

这样，Laravel 就应该能够正确地识别和使用 “doris” 驱动了。如果问题仍然存在，请确保所有的文件名、类名、配置项等都没有拼写错误，并检查是否有其他配置文件或服务提供者干扰了连接的注册。

再次运行，可以链接了，执行sql成功，因此记录一下，给后来者铺路。