Parse Query in Swift using query.whereKey

Question

I plan to retrieve the score of my current user. Here is my code. Thanks in advance.

let query = PFQuery(className: "UserData")

query.whereKey("user", equalTo: "cuWkby3Fm0")
    query.findObjectsInBackgroundWithBlock {
    (objects: [PFObject]?, error: NSError?) -> Void in

if error == nil {
    print("successfully retrieved \(objects!.score) ")
} else {
    print("Error: \(error!) \(error!.userInfo)")
}

The error is

Value of type '[PFObject]' has no member 'score'

Parse class

Please post code, not screenshots of code. Include the error message as text and maybe a screenshot of the message if needed. — luk2302
– luk2302, Commented Jan 7, 2016 at 20:33

luk2302 · Accepted Answer · 2016-01-07 20:41:26Z

4

objects is of type [PFObject]? - an optional array of PFObjects.

You probably want to get the score of some of the contained elements. For example:

if let first = objects.first {
    print(first["score"])
}

answered Jan 7, 2016 at 20:41

luk2302

57.5k24 gold badges108 silver badges151 bronze badges

Sign up to request clarification or add additional context in comments.

1 Comment

dksl176 Over a year ago

Yes, and another mistake i made is that I passed a string to the user. Should be an object. Thanks!

Grant Park · Accepted Answer · 2016-01-07 20:54:29Z

3

If you want the score of your current user, then query for PFUser.currentUser() instead of a hard-coded string. Also, make sure you're actually working with a single object instead of multiple objects.

let query = PFQuery(className: "UserData")

query.whereKey("user", equalTo: PFUser.currentUser())
query.findObjectsInBackgroundWithBlock {
(objects: [PFObject]?, error: NSError?) -> Void in

if error == nil {
    print("successfully retrieved \(objects!.first.score) ")
} else {
    print("Error: \(error!.localizedDescription)")
}

answered Jan 7, 2016 at 20:54

Grant Park

1,0541 gold badge9 silver badges32 bronze badges

Comments

emresancaktar · Accepted Answer · 2016-01-07 20:45:07Z

1

If you want to get all gameScores for specific user. You should iterate your data with for in loop.

For example.

for object in objects {
    print(object["score"])
}

answered Jan 7, 2016 at 20:45

emresancaktar

1,56718 silver badges25 bronze badges

Collectives™ on Stack Overflow

Parse Query in Swift using query.whereKey

3 Answers 3

1 Comment

Comments

Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

3 Answers 3

1 Comment

Comments

Comments

Your Answer

Sign up or log in

Post as a guest

Related