configure_connection

# File activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb, line 254
      def configure_connection
        @connection.query_options.merge!(:as => :array)

        # By default, MySQL 'where id is null' selects the last inserted id.
        # Turn this off. http://dev.rubyonrails.org/ticket/6778
        variable_assignments = ['SQL_AUTO_IS_NULL=0']
        encoding = @config[:encoding]

        # make sure we set the encoding
        variable_assignments << "NAMES '#{encoding}'" if encoding

        # increase timeout so mysql server doesn't disconnect us
        wait_timeout = @config[:wait_timeout]
        wait_timeout = 2147483 unless wait_timeout.is_a?(Fixnum)
        variable_assignments << "@@wait_timeout = #{wait_timeout}"

        execute("SET #{variable_assignments.join(', ')}", :skip_logging)
      end