# File lib/active_record/connection_adapters/postgresql_adapter.rb, line 1046
      def type_to_sql(type, limit = nil, precision = nil, scale = nil)
        return super unless type.to_s == 'integer'
        return 'integer' unless limit

        case limit
          when 1, 2; 'smallint'
          when 3, 4; 'integer'
          when 5..8; 'bigint'
          else raise(ActiveRecordError, "No integer type has byte size #{limit}. Use a numeric with precision 0 instead.")
        end
      end