instance method exec_queries

# File activerecord/lib/active_record/relation.rb, line 546
      def exec_queries(&block)
        skip_query_cache_if_necessary do
          @records =
            if eager_loading?
              apply_join_dependency do |relation, join_dependency|
                if ActiveRecord::NullRelation === relation
                  []
                else
                  relation = join_dependency.apply_column_aliases(relation)
                  rows = connection.select_all(relation.arel, "SQL")
                  join_dependency.instantiate(rows, &block)
                end.freeze
              end
            else
              klass.find_by_sql(arel, &block).freeze
            end

          preload = preload_values
          preload += includes_values unless eager_loading?
          preloader = nil
          preload.each do |associations|
            preloader ||= build_preloader
            preloader.preload @records, associations
          end

          @records.each(&:readonly!) if readonly_value

          @loaded = true
          @records
        end
      end