Coroutine\MySQL\Statement->fetch

Ver >= 4.0-rc1 , 需在connect时加入fetch_mode => true选项

从结果集中获取下一行

function Coroutine\MySQL->fetch() : ?array

示例

$stmt = $db->prepare('SELECT * FROM ckl LIMIT 1');
$stmt->execute();
while($ret = $stmt->fetch())
{
	var_dump($ret);
}