case "NAND": if (args.size() == 2) { return new ArithmeticGroupFunction.NAnd(args.get(0), args.get(1)); } else { LoggerFactory.getLogger(GroupFunctionHelper.class)
case "NAND": if (args.size() == 2) { return new ArithmeticGroupFunction.NAnd(args.get(0), args.get(1)); } else { LoggerFactory.getLogger(GroupFunctionHelper.class)