I check many other answers but still having problem with deleting data form database of realm. This is my error code :
Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[Rebel.RebelTableViewController delete:]: unrecognized selector sent to instance 0x7fca7b40b5c0
This code is from my table view to delete:
if editingStyle == UITableViewCellEditingStyle.delete {
rowHere = indexPath.row
// it crashes the app when I want to delete from database
// delete(self.todos[self.rowHere!])
self.Rebel.remove(at: indexPath.row)
tableView.deleteRows(at: [indexPath as IndexPath], with: UITableViewRowAnimation.automatic)
}
First get Object
model in viewDidLoad()
var DatabaseModel: Results<ObjectClassRealm>!
override func viewDidLoad() {
super.viewDidLoad()
let realm = RealmService.shared.realm
DatabaseModel = realm.objects(ObjectClassRealm.self)
}
func tableView(_ tableView: UITableView, commit editingStyle: UITableViewCellEditingStyle, forRowAt indexPath: IndexPath) {
guard editingStyle == .delete else { return }
let objectData = DatabaseModel[indexPath.row]
RealmService.shared.delete(objectData)
}
Or you can delete on button click
@IBAction func DeleteData(_ sender: Any) {
let realm = try! Realm()
let deleteData = realm.object(ofType: ObjectClassRealm.self,
forPrimaryKey: PRIMARYKEY)
if deleteData == nil {
print("No data in DB")
} else {
RealmService.shared.delete(deleteData!)
}
}
read documents of realm, also you will find many solutions for same question.