/**
* 执行事务
*
* @param \Closure $callback
* @return mixed
*
* @throws \Exception|\Throwable
*/
public function transaction(Closure $callback)
{
if ($this->getDriverName() == 'sqlsrv') {
return parent::transaction($callback);
}
$this->getPdo()->exec('BEGIN TRAN');
try {
$result = $callback($this);
$this->getPdo()->exec('COMMIT TRAN');
} catch (Exception $e) {
$this->getPdo()->exec('ROLLBACK TRAN');
throw $e;
} catch (Throwable $e) {
$this->getPdo()->exec('ROLLBACK TRAN');
throw $e;
}
return $result;
}
/**
* 运行查询连接器
*
* @return array
*/
protected function runSelect()
{
return $this->connection->select($this->toSql(), $this->getBindings(), !$this->useWritePdo);
}
/**
* 准备数据库链接实例
*
* @param \CatLib\Database\Connections\Connection $connection
* @return \CatLib\Database\Connections\Connection
*/
protected function prepare(Connection $connection)
{
if (isset($this->app['env']['database']['fetch'])) {
$connection->setFetchMode($this->app['env']['database']['fetch']);
}
if ($this->app->isExists('events')) {
$connection->setEventDispatcher($this->app['events']);
}
$connection->setReconnector(function ($connection) {
$this->reconnect($connection->getName());
});
return $connection;
}
/**
* 创建新的事件实例
*
* @param \CatLib\Database\Connections\Connection $connection
* @return void
*/
public function __construct($connection)
{
$this->connection = $connection;
$this->connectionName = $connection->getName();
}