mysql_connection

# File activerecord/lib/active_record/connection_adapters/mysql_adapter.rb, line 21
    def mysql_connection(config)
      config = config.symbolize_keys
      host     = config[:host]
      port     = config[:port]
      socket   = config[:socket]
      username = config[:username] ? config[:username].to_s : 'root'
      password = config[:password].to_s
      database = config[:database]

      mysql = Mysql.init
      mysql.ssl_set(config[:sslkey], config[:sslcert], config[:sslca], config[:sslcapath], config[:sslcipher]) if config[:sslca] || config[:sslkey]

      default_flags = Mysql.const_defined?(:CLIENT_MULTI_RESULTS) ? Mysql::CLIENT_MULTI_RESULTS : 0
      default_flags |= Mysql::CLIENT_FOUND_ROWS if Mysql.const_defined?(:CLIENT_FOUND_ROWS)
      options = [host, username, password, database, port, socket, default_flags]
      ConnectionAdapters::MysqlAdapter.new(mysql, logger, options, config)
    rescue Mysql::Error => error
      if error.message.include?("Unknown database")
        raise ActiveRecord::NoDatabaseError.new(error.message, error)
      else
        raise
      end
    end