result.combine(arg.analyze(s))
		}
		return result

	case sqlFnTrim:
		if e.Trim.TrimChars != nil {
			result.combine(e.Trim.TrimChars.analyze(s))
		}
		if e.Trim.TrimFrom != nil {
			result.combine(e.Trim.TrimFrom.analyze(s))
		}
		return result

	case sqlFnSubstring:
		errVal := fmt.Errorf("Invalid argument(s) to %s", string(funcName))
		result.combine(e.Substring.Expr.analyze(s))
		switch {

        new LineProcessor<List<String>>() {
          final List<String> collector = new ArrayList<>();

          @Override
          public boolean processLine(String line) {
            collector.add(whitespace().trimFrom(line));
            return true;
          }

          @Override
          public List<String> getResult() {
            return collector;
          }
        };