argVal := val
	if funcName != aggFnCount {
		// All aggregation functions, except COUNT require a
		// numeric argument.

		// Here, we diverge from Amazon S3 behavior by
		// inferring untyped values are numbers.
		if !argVal.isNumeric() {
			if i, ok := argVal.bytesToInt(); ok {
				argVal.setInt(i)
			} else if f, ok := argVal.bytesToFloat(); ok {
				argVal.setFloat(f)
			} else {