# File lib/active_record/connection_adapters/abstract/database_statements.rb, line 326
      def sanitize_limit(limit)
        if limit.is_a?(Integer) || limit.is_a?(Arel::Nodes::SqlLiteral)
          limit
        elsif limit.to_s =~ /,/
          Arel.sql limit.to_s.split(',').map{ |i| Integer(i) }.join(',')
        else
          Integer(limit)
        end
      end