CODEWITHSUNDEEP
iosswiftparse-platform
tahoecoop
tahoecoop

Reputation: 378

Searching Parse using pointer returns error "pointer field needs a pointer value"

I'm trying to do a query by selectedBook (this is a string of selectedBook's objectID). However, I'm getting this error: "[Error]: pointer field book needs a pointer value (Code: 102, Version: 1.8.2)." I believe I have to do the query with the actual book object rather than the objectID, how can I go about doing this? Thanks in advance!!

var query = PFQuery(className:"UserTags")
      query.whereKey("book", equalTo:selectedBook)

      query.findObjectsInBackgroundWithBlock { (objects:[AnyObject]?, error:NSError?) -> Void in

         if error == nil {

            // The find succeeded.
            print("Successfully retrieved \(objects!.count) tags.")

            // Do something with the found objects
            if let objects = objects as? [PFObject] {

               for object in objects {

                  print(object.objectId)
               }
            }

         } else {
            // Log details of the failure
            print("Error: \(error!)")
         }

Upvotes: 1

Views: 329

Answers (2)

tahoecoop
tahoecoop

Reputation: 378

Figured it out. Here is the code in case someone else runs into this:

let pointer = PFObject(withoutDataWithClassName:"Book", objectId: booksObjectID)

var query = PFQuery(className: "UserTags")

query.whereKey("book", equalTo: pointer)

query.includeKey("book")

query.findObjectsInBackgroundWithBlock { (objects:[AnyObject]?, error:NSError?) -> Void in

    for object in objects! {

       self.userTags.addObject(object)
    }
}

Upvotes: 2

Rafał Sroka
Rafał Sroka

Reputation: 40030

From documentation:

InvalidQuery - 102 - Error code indicating you tried to query with a datatype that doesn't support it, like exact matching an array or object.

The error description tells you a lot. This kind of querying does not support queuing by object (in your case, book). You have to use a datatype that is supported - for example query by book ID or name which are more primitive data types.

Upvotes: 0

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