AppDelegate else {return} let context = appDelegate. LIKE Trier CoreData résultats à l'aide NSPredicate en Swift Je suis en train d'écrire un simple carnet d'application rapide et besoin de trier les résultats d'une CoreData requête. I’m currently writing a simple phone book app in Swift and need to sort the results from a CoreData query. let request = NSFetchRequest(entityName: "Directory") request.returnsObjectsAsFaults = false //will return the instance of the object //request.predicate = NSPredicate(format: "name_f = %@", nameToSearch) //request.predicate = NSPredicate(format: "name_f MATCHES '.*(\(nameToSearch)). Learning by Sharing Swift Programing and more …. viewContext // get records which match this condition let fetchRequest = NSFetchRequest < NSFetchRequestResult > (entityName: "Person") fetchRequest. I'm trying to convert a project that uses Core Data from Objective-C to Swift. How can I use NSPredicate to filter the tags array based on the searchText? The names in the CoreData database that is queried are in alphabetical order. Tag: core-data,nspredicate. Create a new Core Data Entity. Compound Comparison. @avg. “name_f” is the user’s name. returns the number of objects in a collection as an NSNumber. In this article we are going to learn how to update the data with CoreData using background queues—to avoid blocking the main queue. i0S Swift Issue. Questions: i have a Core Data Object and i have 2 Fieds (one String(GUID) and one Int which i want to use as Filter) So in SQL it would be “SELECT * FROM Answers WHERE qIndex = 1 AND GUID = ’88bfd206-82fb-4dd0-b65d-096f8902855c’ Ive tried … You see, when we write %@ Core Data automatically inserts quote marks for us so that the predicate reads correctly. 2 – Identify code that could subsequently be applied to the results array to re-sort by any field. I tried this previously & keep getting an 'EXC_BAD_ACCESS' error when the fetch request is made. NSPredicate Swift. Predicates represent logical conditions, which you can use to filter collections of objects. site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. Basically, I set up an NSManagedObject called “Directory”, with the appropriate field names in – e.g. What is the daytime visibility from within a cloud? @min. How to get One Signal user’s unique player id in iOS? predicate = NSPredicate (format: "money > %i", 100) // and delete them let deleteRequest = NSBatchDeleteRequest (fetchRequest: fetchRequest) do {try context. You might consider to have an entity for tags, or join the array of tags and have it as a whole string in your current entity, thus having the tags property as type String. My code that returns the NSManagedObject array is as follows: As an aside, I’m using the following code to pull a specific value from the returned results (where searchResult is an instance of the class that SearchName is in): Ideally, I’d like to be able to: 'Plate/tile hybrids' (plates with studs missing), CEO is pressing me regarding decisions made by my former manager whom he fired. I got some basic operators from the documentation and put them below: BEGINSWITH The left-hand expression begins with the right-hand expression. ("Touche trop peu autorisée ici") (2) Vous essayez de comparer une collection ( categories.name) à une valeur scalaire ( category.name). NSPredicate. NSPredicate, NSPredicate. Translate. The [cd] expression is to specify case and diacritic insensitivity respectively. The left-hand expression ends with the right-hand expression. Player has a one to many relationship to Weapon and Player has a one to one relationship to Metadata. 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