code: func DataTypeFromString(s string) DataType {
  	switch s {
  	case "float":
  		return Float
  	case "integer":
  		return Integer
  	case "unsigned":
  		return Unsigned
  	case "string":
  		return String
  	case "boolean":
  		return Boolean
  	case "time":
  		return Time
  	case "duration":
  		return Duration
  	case "tag":
  		return Tag
  	case "field":
  		return AnyField
  	default:
  		return Unknown
  	}
  }
docs: // DataTypeFromString returns a data type given the string representation of that
  // data type.