use yii\db\Migration;
class m170119_031753_add_list_id_index_on_user_list_table extends Migration
{
public function up()
{
$projectIds = (new \yii\db\Query())
->select([‘project_name‘])
->from(‘duplicate_option‘)
->column();
// ......
原文：http://www.cnblogs.com/zergling9999/p/6518440.html