如何更新 CloudKit 中记录类型的字段？

Question

我正在尝试更新 CloudKit 中的现有记录，但我正在创建新记录而不是更改值！这是代码：

func pairing(phone: String, ctid: String) {
    ctUsers = [CKRecord]()
    print("THE PHONE IS: \(phone)\n")

    let publicData = CKContainer.default().publicCloudDatabase
    let predicate = Predicate(format: "phone == %@", phone)
    let query = CKQuery(recordType: "Elder", predicate: predicate)

    publicData.perform(query, inZoneWith: nil) { (results: [CKRecord]?, error: NSError?) -> Void in
        if error != nil {
            print(error?.localizedDescription)
        }

        if let users = results {
            self.ctUsers = users
            print("\nHow many users in cloud: \(self.ctUsers.count)\n")

            if self.ctUsers.count != 0 {

                let user = CKRecord(recordType: "Elder")
                user["careTakerId"] = ctid

                let publicData = CKContainer.default().publicCloudDatabase
                publicData.save(user, completionHandler: { (record: CKRecord?, error: NSError?) in
                    if error == nil {

                        DispatchQueue.main.asynchronously(execute: { () -> Void in
                            print("CARETAKER updated successfully\n")
                        })
                    }
                    else {
                        print("\nHUEHUEHUEHUE\n")
                        print(error?.localizedDescription)
                    }
                })
            }
            else {
                print("\nELDER ISN'T IN CLOUD\n")
                print(error?.localizedDescription)
            }
        }
    }
}

快速解释：首先我获取长辈的phone号码（每个长辈都有不同的phone）并检查这个phone号码是否在云端。如果是，则具体更新此长者的 careTakerId！

这里可以看到正在创建这条"No Name"记录，上面的记录保持不变

有什么想法吗？

Answer 1

现在才发现问题出在哪里：

publicData.perform(query, inZoneWith: nil) { (results: [CKRecord]?, error: NSError?) -> Void in
    if error != nil {
        print(error?.localizedDescription)
    }

    if let users = results {
        self.ctUsers = users
        print("\nHow many users in cloud: \(self.ctUsers.count)\n")

        if self.ctUsers.count != 0 {

            let user =  users.first //CKRecord(recordType: "Elder")
            user?["careTakerId"] = ctid

            let publicData = CKContainer.default().publicCloudDatabase
            publicData.save(user, completionHandler: { (record: CKRecord?, error: NSError?) in
                if error == nil {

                    DispatchQueue.main.asynchronously(execute: { () -> Void in
                        print("CARETAKER updated successfully\n")
                    })
                }
                else {
                    print("\nHUEHUEHUEHUE\n")
                    print(error?.localizedDescription)
                }
            })
        }
        else {
            print("\nELDER ISN'T IN CLOUD\n")
            print(error?.localizedDescription)
        }
    }
}

我真的在创造新记录！我只需要访问 results 变量，它是 CKRecord 的向量，然后更改并保存该字段！

Answer 2

采用最简单的方法，获取记录、更新并保存：

    let recordID = CKRecordID(recordName: "[record_name_here]")

    database.fetch(withRecordID: recordID) { record, error in

        if let record = record, error == nil {

            //update your record here

            self.database.save(record) { _, error in
                completion?(error)
            }   
        }
    }

如何更新 CloudKit 中记录类型的字段？

How to update a field on a Record Type in CloudKit?

ios

swift

cloudkit