exec_queries

# File activerecord/lib/active_record/relation.rb, line 637
    def exec_queries
      @records = eager_loading? ? find_with_associations : @klass.find_by_sql(arel, arel.bind_values + bind_values)

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

      @records.each { |record| record.readonly! } if readonly_value

      @loaded = true
      @records
    end