记忆问题

recordIDAsString = [
    NSString stringWithFormat:@"%i", (int)abRecord.recordID
];
propertyIDAsString = [
    NSString stringWithFormat:@"%i", (int)abProperty.propertyID
];
identifierAsString = [
    NSString stringWithFormat:@"%i", (int)abProperty.identifier
];

NSString *tempRecordIDAsString = [
    NSString stringWithFormat:@"%i", (int)abRecord.recordID
];
NSString *tempPropertyIDAsString = [
    NSString stringWithFormat:@"%i", (int)abProperty.propertyID
];
NSString *tempIdentifierAsString = [
    NSString stringWithFormat:@"%i", (int)abProperty.identifier
];

recordIDAsString = [tempRecordIDAsString copy];
propertyIDAsString = [tempPropertyIDAsString copy];
identifierAsString = [tempIdentifierAsString copy];