PHP(PDO)与Google App Engine上的Cloud SQL的连接不起作用 [英] PHP (PDO) Connection to Cloud SQL on Google App Engine Not Working

问题描述

我在连接到共享相同项目的App Engine灵活环境中托管的Cloud SQL实例时遇到问题.我正在使用PHP数据对象(PDO)创建连接.我继续收到此错误:

I am experiencing issues connecting to a Cloud SQL instance hosted in an App engine flexible environment which shares same project. I am using PHP Data Object (PDO) to create the connection. I Kept getting this error:

SQLSTATE [HY000] [2002]没有这样的文件或目录

SQLSTATE[HY000] [2002] No such file or directory

即使我已经完成了有关授权应用程序的所有设置，等等.

Even when I had done all the settings as to authorizing the app, etc.

这是我的示例代码:

public function __construct() {
    try {

        $this->datab = new PDO('mysql:unix_socket=/cloudsql/<MY INSTANCE CONNECTION NAME>;dbname=MY_DATABASE', 'USERNAME', 'PASSWORD');

        $this->datab->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);

        $this->datab->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_ASSOC);

    } catch (PDOException $e) {
        $this->isConnected = false;
        throw new Exception($e->getMessage());
    }
}

请，我需要做些什么才能使其正常工作?我现在的库存真的很大，我确实需要帮助.

Please, is there anything I need do for it to work? I'm really stock now and I do need help.

谢谢.

推荐答案

尝试这个

  in app.yaml
  env_variables:
  MYSQL_USER: username
  MYSQL_PASSWORD: password
  MYSQL_DSN: mysql:unix_socket=/cloudsql/instancename;dbname=yourdbname

  in your script:
  $dsn=getenv('MYSQL_DSN');
  $user=getenv('MYSQL_USER');
  $pass=getenv('MYSQL_PASSWORD');
  $dbh = new PDO($dsn, $user, $pass);

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