build_arel

# File activerecord/lib/active_record/relation/query_methods.rb, line 135
    def build_arel
      arel = table

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

      (@where_values - ['']).uniq.each do |where|
        case where
        when Arel::SqlLiteral
          arel = arel.where(where)
        else
          sql = where.is_a?(String) ? where : where.to_sql
          arel = arel.where(Arel::SqlLiteral.new("(#{sql})"))
        end
      end

      arel = arel.having(*@having_values.uniq.select{|h| h.present?}) 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.select{|g| g.present?}) unless @group_values.empty?

      arel = arel.order(*@order_values.uniq.select{|o| o.present?}) 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