コードにはCore Dataがありますが、なぜコードループ11ラウンド以下ですか?なぜこのループは11回ですか?
- (void)testingDBmodel {
NSLog(@">>testingDBmodel<<");
//=================DATABASE===================//
// id
// qDiff
// question
// qRightAnswer
// qWrongAnswer1
// qWrongAnswer2
// qNr
// qRegDate
if (managedObjectContext == nil) { managedObjectContext = [(FamQuiz_v2AppDelegate *)
[[UIApplication sharedApplication] delegate] managedObjectContext]; }
NSManagedObjectContext *context = [self managedObjectContext];
NSManagedObject *famQuizInfo = [NSEntityDescription
insertNewObjectForEntityForName:@"questions"
inManagedObjectContext:context];
[famQuizInfo setValue:[NSNumber numberWithInt:1] forKey:@"idQ"];
[famQuizInfo setValue:@"qDiff1" forKey:@"qDiff"];
[famQuizInfo setValue:@"question1" forKey:@"question"];
[famQuizInfo setValue:@"qRightAnswer1" forKey:@"qRightAnswer"];
[famQuizInfo setValue:@"qWrongAnswer1_1" forKey:@"qWrongAnswer1"];
[famQuizInfo setValue:@"qWrongAnswer2_2" forKey:@"qWrongAnswer2"];
[famQuizInfo setValue:@"999" forKey:@"qNr"];
[famQuizInfo setValue:[NSDate date] forKey:@"qRegDate"];
NSError *error;
if (![context save:&error]) {
NSLog(@"Whoops, couldn't save: %@", [error localizedDescription]);
}
//==========READ DATABASE==============//
NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
NSEntityDescription *entity = [NSEntityDescription
entityForName:@"questions" inManagedObjectContext:context];
[fetchRequest setEntity:entity];
NSArray *fetchedObjects = [context executeFetchRequest:fetchRequest error:&error];
NSLog(@"\n \n");
NSLog(@"\n \n");
//のNSLog(@ "fetchObjects番号:%I"、[fetchedObjects.count])ここ
for (NSManagedObject *info in fetchedObjects) {
xx = xx + 1;
NSLog(@"\n \n");
NSLog(@"id: %i", [[info valueForKey:@"idQ"] intValue]);
NSLog(@"qDiff: %@", [info valueForKey:@"qDiff"]);
NSLog(@"question: %@", [info valueForKey:@"question"]);
NSLog(@"qRightAnswer: %@", [info valueForKey:@"qRightAnswer"]);
NSLog(@"qWrongAnswer1: %@", [info valueForKey:@"qWrongAnswer1"]);
NSLog(@"qWrongAnswer2: %@", [info valueForKey:@"qWrongAnswer2"]);
NSLog(@"qNr: %@", [info valueForKey:@"qNr"]);
NSLog(@"qRegDate: %@", [info valueForKey:@"qRegDate"]);
NSLog(@"\n \n");
NSLog(@"nr: %i", xx);
}
コードです。 NSLog(@ "\ n \ n"); NSLog(@ "fetchedObjects:%@"、fetchedObjects); NSLog(@ "\ n \ n");
2010-12-03 17:37:
int xx = 0; // just to see how many loops for (NSManagedObject *info in fetchedObjects) { xx = xx + 1; NSLog(@"\n \n"); NSLog(@"id: %i", [[info valueForKey:@"idQ"] intValue]); NSLog(@"qDiff: %@", [info valueForKey:@"qDiff"]); NSLog(@"question: %@", [info valueForKey:@"question"]); NSLog(@"qRightAnswer: %@", [info valueForKey:@"qRightAnswer"]); NSLog(@"qWrongAnswer1: %@", [info valueForKey:@"qWrongAnswer1"]); NSLog(@"qWrongAnswer2: %@", [info valueForKey:@"qWrongAnswer2"]); NSLog(@"qNr: %@", [info valueForKey:@"qNr"]); NSLog(@"qRegDate: %@", [info valueForKey:@"qRegDate"]); NSLog(@"\n \n"); NSLog(@"nr: %i", xx); } [fetchRequest release]; //NSError* error; if(![[famQuizInfo managedObjectContext] save:&error]) { NSLog(@"Failed to save to data store: %@", [error localizedDescription]); NSArray* detailedErrors = [[error userInfo] objectForKey:NSDetailedErrorsKey]; if(detailedErrors != nil && [detailedErrors count] > 0) { for(NSError* detailedError in detailedErrors) { NSLog(@" DetailedError: %@", [detailedError userInfo]); } } else { NSLog(@" %@", [error userInfo]); } }
}ここ
出力の最後の二つのループである51.962 Test_v2 [11965:207] ID:1
2010- 12-03 17:37:51.963 Test_v2 [11965:207] qDiff:qDiff1
2010-12-03 17:37:51.964 Test_v2 [11965:207]質問:質問1
2010-12-03 17:37:51.964 Test_v2 [11965:207] qRightAnswer:qRightAnswer1
2010-12-03 17:37:51.964 Test_v2 [11965:207] qWrongAnswer1:qWrongAnswer1_1
2010-12-03 17:37:51.965 Test_v2 [11965:207] qWrongAnswer2:qWrongAnswer2_2
2010-12-03 17 :37:51.966 Test_v2 [11965:207] qNr:999
2010-12-03 17:37:51.967 Test_v2 [11965:207] qRegDate:2010-12-03 17:36:12 +0100
2010-12 -03 17:37:51.967 Test_v2 [11965:207]
2010-12-03 17:37:51.973 Test_v2 [11965:207] NR:10
2010-12-03 17:37:51.973 Test_v2 [11965:207]
2010-12-03 17:37:51.974 Test_v2 [11965:207] ID:1
2010-12-03 17:37:51.974 Test_v2 [11965:207] qDiff:qDiff1
2010-12-03 17:37:51.975 Test_v2 [11965:207]質問:質問1
2010-12-03 17:37:51.976 Test_v2 [11965:207] qRightAnswer:qRightAnswer1
2010-12-03 17:37:51.976 Test_v2 [11965 :207] qWrongAnswer1:qWrongAnswer1_1
2010-12-03 17:37:51.977 Test_v2 [11965:207] qWrongAnswer2:qWrongAnswer2_2
2010-12-03 17:37:51.977 Test_v2 [11965:207] QNR:999
2010-12-03 17:37:51.978 Test_v2 [11965:207] qRegDate:2010-12-03 17:3 7:51 +0100
2010-12-03 17:37:51.978 Test_v2 [11965:207]
2010-12-03 17:37:51.979 Test_v2 [11965:207] NR:11
私は、この質問にはもう少し編集が必要だと思います。フェッチするオブジェクトについての情報です。 – Eiko
どのコードがループしていますか?あなたはデータベースから返されたオブジェクトを実行しているLOOPを持っていますが、現在オブジェクトのコンテキストにいくつのアイテムがありますか? – DerekH