func toString()

in Sources/SparkConnect/Extension.swift [212:223]


  func toString() throws -> String {
    let startFieldName = try fieldToString(self.startField)
    let endFieldName = try fieldToString(self.endField)
    let interval = if startFieldName == endFieldName {
      "interval \(startFieldName)"
    } else if startFieldName < endFieldName {
      "interval \(startFieldName) to \(endFieldName)"
    } else {
      throw SparkConnectError.InvalidTypeException
    }
    return interval
  }