configure_connection

# File activerecord/lib/active_record/connection_adapters/mysql_adapter.rb, line 419
      def configure_connection
        encoding = @config[:encoding]
        execute("SET NAMES '#{encoding}'", :skip_logging) if encoding

        # By default, MySQL 'where id is null' selects the last inserted id.
        # Turn this off. http://dev.rubyonrails.org/ticket/6778
        execute("SET SQL_AUTO_IS_NULL=0", :skip_logging)
      end