docs: @ScalarFunction
      @SqlType(ColorType.NAME)
      public static long color(
              @SqlType(StandardTypes.DOUBLE) double value,
              @SqlType(StandardTypes.DOUBLE) double low,
              @SqlType(StandardTypes.DOUBLE) double high,
              @SqlType(ColorType.NAME) long lowColor,
              @SqlType(ColorType.NAME) long highColor)
      {
          return color((value - low) * 1.0 / (high - low), lowColor, highColor);
      }