# File lib/active_record/relation/query_methods.rb, line 174
    def build_arel
      arel = table

      arel = build_joins(arel, @joins_values) unless @joins_values.empty?

      (@where_values - ['']).uniq.each do |where|
        where = Arel.sql(where) if String === where
        arel = arel.where(Arel::Nodes::Grouping.new(where))
      end

      arel = arel.having(*@having_values.uniq.reject{|h| h.blank?}) unless @having_values.empty?

      arel = arel.take(@limit_value) if @limit_value
      arel = arel.skip(@offset_value) if @offset_value

      arel = arel.group(*@group_values.uniq.reject{|g| g.blank?}) unless @group_values.empty?

      arel = arel.order(*@order_values.uniq.reject{|o| o.blank?}) unless @order_values.empty?

      arel = build_select(arel, @select_values.uniq)

      arel = arel.from(@from_value) if @from_value
      arel = arel.lock(@lock_value) if @lock_value

      arel
    end