I'm inserting hundreds of thousands of objects using NSBatchInsert, now i want to add relationships between objects (let say A and B, with 1-to-many relationship) as no batch operation supports relationship i will need to use the most efficient and…
I have a list of CoreData Objects retrieved from @FetchRequest. I am looking to animate the re-ordering of a list based on property of the object; a Bool. In the code below, when you click a row item the view…
I’m getting the following warnings in Xcode when building my app (app runs just fine however): Could not associate debug note to atom l_OBJC_LABEL_PROTOCOL_$_NSObject Could not associate debug note to atom l_OBJC_PROTOCOL_REFERENCE_$_CAAction Could not associate debug note to atom l_OBJC_LABEL_PROTOCOL_$_CAAnimationDelegate…
In a SwiftUI App using Core Data, and I have a FetchRequest in the top level View: @FetchRequest(fetchRequest: Student.fetchRequest()) private var students: FetchedResults<Student> And then I have some computed property arrays that I derive from that FetchResults: private var year7Students:…
Here is how I have defined my CoreDataManager class CoreDataManager { static var shared = CoreDataManager() private let container: NSPersistentContainer lazy var defaultContext : NSManagedObjectContext = { let context = NSManagedObjectContext(concurrencyType: .mainQueueConcurrencyType) context.parent = rootContext context.setupDefaultContext() context.obtainPermanentIdsBeforeSaving() return context }()…
I have a tableview with values. The database is made with core data. You can set the values to true or false. I only want to sum the values with true. To sum the values i have this code. func…
My project accesses a JSON file with 200+ country elements of which one name/value pair is flag: containing what I think is Base64 encryption - example below. I have successfully included the name: and the :flag in a Picker. The…
I'm trying to figure out whether the Int32 in Core Data will be presented as 32 bits or 64 bits on a 64 bits Device, but I could not find a valid answer on SO. I went to Swift document,…
I have an existing core data project now I want to add some more tables into it so my question is do we need to add change current version of CoreData and add new version to it ? Also my…
i am adding await and concurrency methods to my existing project and ran into some strange behaviours which i am unable to debug because they don't happen each and every time, just randomly sometimes, somewhere down the road (inside buildDataStructureNew)…