iOS: Delete ALL Core Data Swift
public func clearAllCoreData() {
let entities = self.persistentContainer.managedObjectModel.entities
entities.flatMap({ $0.name }).forEach(clearDeepObjectEntity)
}
private func clearDeepObjectEntity(_ entity: String) {
let context = self.persistentContainer.viewContext
let deleteFetch = NSFetchRequest<NSFetchRequestResult>(entityName: entity)
let deleteRequest = NSBatchDeleteRequest(fetchRequest: deleteFetch)
do {
try context.execute(deleteRequest)
try context.save()
} catch {
print ("There was an error")
}
}
Are there any code examples left?
New code examples in category Swift
-
Swift 2022-03-27 20:55:05 swift sleep milliseconds
-
Swift 2022-03-27 18:20:18 swift how to call a function
-
Swift 2022-03-27 13:40:24 swift loop through array
-
Swift 2022-03-27 06:15:23 swift image button blue
-
Swift 2022-03-25 03:15:09 Finger Print in Swift
-
Swift 2022-03-25 02:20:26 swift save data to file
-
Swift 2022-03-25 00:20:01 closure swift
-
Swift 2022-03-24 13:45:28 change textview link color swift
-
Swift 2022-03-19 12:45:01 swift uitextfield only numbers keyboard lock programmatically
-
Swift 2022-03-18 00:25:20 how to read music library from iphone programmatically in swift