echo '开始时间'.date('H:i:s').PHP_EOL;

$db = Yii::$app->db;

$transaction = $db->beginTransaction();

for($i = 1; $i < 250001; $i++) {

$db->createCommand("update up set uin = $i, name = 'ggggg' where id = $i;")->execute();

}

$transaction->commit();

echo '结束时间'.date('H:i:s').PHP_EOL;