# File lib/arel/engines/sql/relations/compiler.rb, line 131
      def build_update_conditions_sql
        conditions = ""
        conditions << " WHERE #{relation.wheres.map { |x| x.to_sql }.join(' AND ')}" unless relation.wheres.blank?
        conditions << " ORDER BY #{relation.order_clauses.join(', ')}" unless relation.orders.blank?

        taken = relation.taken
        unless taken.blank?
          conditions = limited_update_conditions(conditions, taken)
        end

        conditions
      end