首先,找到您的套接字文件:
mysqladmin variables | grep socket
对我来说,这给出了:
| socket| /tmp/mysql.sock |
然后,在您的添加一行
config/database.yml:
development: adapter: mysql2 host: localhost username: root password: xxxx database: xxxx socket: /tmp/mysql.sock

首先,找到您的套接字文件:
mysqladmin variables | grep socket
对我来说,这给出了:
| socket| /tmp/mysql.sock |
然后,在您的添加一行
config/database.yml:
development: adapter: mysql2 host: localhost username: root password: xxxx database: xxxx socket: /tmp/mysql.sock