本文介绍了在symfony中执行自定义SQL的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我正在尝试执行一些自定义SQL以在Symfony应用程序中检索一些模型对象。我在网页上发现一个教程，说这样的话可以让我执行查询，虽然没有填充模型（填充模型不是一个主要问题，只是为了只读数据）。
I'm trying to execute some custom SQL to retrieve some model objects in a Symfony application. I found a tutorial on the web that said something like this would allow me to execute the query although not populate the models (populating the model isn't a major issue, it's just for read only data).
$pdo = Doctrine_Manager::getInstance()->connection()->getDbh();
$pdo->prepare("SELECT * from something complicated");
$pdo->execute();
$this->sensorReadings = $pdo->fetchAll();
但是我收到错误：
Fatal error: Call to undefined method PDO::execute()
in sfproject/apps/frontend/modules/site/actions/actions.class.php
推荐答案
$query = "SELECT * from something complicated";
$rs = Doctrine_Manager::getInstance()->getCurrentConnection()->fetchAssoc($query);
结果集是一个数组。
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