exec_queries() private

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# File activerecord/lib/active_record/relation.rb, line 163
    def exec_queries
      return @records if loaded?

      default_scoped = with_default_scope

      if default_scoped.equal?(self)
        @records = if @readonly_value.nil? && !@klass.locking_enabled?
          eager_loading? ? find_with_associations : @klass.find_by_sql(arel, @bind_values)
        else
          IdentityMap.without do
            eager_loading? ? find_with_associations : @klass.find_by_sql(arel, @bind_values)
          end
        end

        preload = @preload_values
        preload +=  @includes_values unless eager_loading?
        preload.each do |associations|
          ActiveRecord::Associations::Preloader.new(@records, associations).run
        end

        # @readonly_value is true only if set explicitly. @implicit_readonly is true if there
        # are JOINS and no explicit SELECT.
        readonly = @readonly_value.nil? ? @implicit_readonly : @readonly_value
        @records.each { |record| record.readonly! } if readonly
      else
        @records = default_scoped.to_a
      end

      @loaded = true
      @records
    end
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