instance method attributes_with_quotes

# File activerecord/lib/active_record/base.rb, line 2807
      def attributes_with_quotes(include_primary_key = true, include_readonly_attributes = true, attribute_names = @attributes.keys)
        quoted = {}
        connection = self.class.connection
        attribute_names.each do |name|
          if (column = column_for_attribute(name)) && (include_primary_key || !column.primary)
            value = read_attribute(name)

            # We need explicit to_yaml because quote() does not properly convert Time/Date fields to YAML.
            if value && self.class.serialized_attributes.has_key?(name) && (value.acts_like?(:date) || value.acts_like?(:time))
              value = value.to_yaml
            end

            quoted[name] = connection.quote(value, column)
          end
        end
        include_readonly_attributes ? quoted : remove_readonly_attributes(quoted)
      end