cloudkit - Can't retrieve CKRecords to resolve conflicts on CKErrorCodeServerRecordChanged in CKModifyRecordsOperation -


i ran problem when trying handle errors when doing batch operations on records in cloudkit.

i extracting dictionary containing partial errors, can iterate over. however, not able records needed resolve conflict ckerrorcodeserverrecordchanged. according docs should able 3 records out of dictionary:

  • ckrecordchangederrorserverrecordkey
  • ckrecordchangederrorancestorrecordkey
  • ckrecordchangederrorclientrecordkey

thank hints on doing wrong here.

func pushrecordchangesforzoneid(recordzoneid: ckrecordzoneid) { // ... modifyrecordsoperation.modifyrecordscompletionblock = { (savedrecords, deletedrecordids, error) -> void in     if (error != nil) {         if error.code == ckerrorcode.partialfailure.rawvalue {             if let errordict = error.userinfo?[ckpartialerrorsbyitemidkey] as? [ckrecordid : nserror] {                 (recordid, partialerror) in errordict {                     if partialerror.code == ckerrorcode.serverrecordchanged.rawvalue {                         if let userinfo = partialerror.userinfo {                             let serverrecord = userinfo[ckrecordchangederrorserverrecordkey] as? ckrecord                             // serverrecord nil                         }                     }                 }             }         }     } }

}

additional information: when print description of userinfo dict of partial error (partialerror.userinfo) doesn’t contains other ckrecords:

[nsdebugdescription: ckinternalerrordomain: 2037, nslocalizeddescription: error saving record <ckrecordid: 0x7fb41bf7e640; da39fe08-ab0b-4f07-a42e-f5732b114706:(userdata:__defaultowner__)> server: protection data didn't match, nsunderlyingerror: <ckerror 0x7fd89a92d370: "unknown error" (2037)>]

the description of source error's dictionary (errordict) looks (and can dictionary containing recordids , partial errors out via ckpartialerrorsbyitemidkey):

[<ckrecordid: 0x7fb5bb88afa0; c1575083-f992-448a-8d77-d62c4a42d696:(userdata:__defaultowner__)>: <ckerror 0x7fb5b961c6a0: "batch request failed" (22/2024); server message = "atomic failure"; uuid = 1e4c0fd5-ec10-4071-b277-102a9f1b0e5e; container id = "icloud.net.neverthesamecolor.atsumeru">, <ckrecordid: 0x7fb5bb848ad0; da39fe08-ab0b-4f07-a42e-f5732b114706:(userdata:__defaultowner__)>: <ckerror 0x7fb5b9653060: "server record changed" (14/2037); "error saving record <ckrecordid: 0x7fb41bd9ca50; da39fe08-ab0b-4f07-a42e-f5732b114706:(userdata:__defaultowner__)> server: protection data didn't match">]

the docs it's custom zone feature only.

edit 21st jan 2016: it's working me right in default zone , public database. big change before.


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