安装指定版本的MySQL
为了避免出现以下错误:
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock'
可以通过以下步骤安装MySQL5.7版本:
brew uninstall mysql@5.7
rm -rf /usr/local/var/mysql
rm /usr/local/etc/my.cnf
brew install mysql@5.7
brew link --force mysql@5.7
brew services start mysql@5.7