CKQueryOperation

CKQueryOperation.swift

var allRecords: [CKRecord] = []
let operation = CKQueryOperation(query: query)
operation.recordFetchedBlock = { (record: CKRecord) in
  allRecords.append(record)
}
operation.queryCompletionBlock = { (cursor: CKQueryCursor?, error: NSError?) in
  // There is another batch of records to be fetched
  if let cursor = cursor {
      let newOperation = CKQueryOperation(cursor: cursor)
      newOperation.recordFetchedBlock = operation.recordFetchedBlock
      newOperation.queryCompletionBlock = operation.queryCompletionBlock
      database.addOperation(newOperation)
  }
  // There was an error
  else if let error = error {
    print("Error:", error)
  }
  // No error and no cursor means the operation was successful
  else {
    print("Finished with records:", allRecords)
  }
}
database.addOperation(operation)