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Xcode 8.3, Swift 3.1 - Using common SQLite database as persistent container.
lazy var persistentContainer: NSPersistentContainer = {
let sqlitePath = Bundle.main.url(forResource: "DATABASE_NAME", withExtension: "sqlite")
if FileManager.default.fileExists(atPath: sqlitePath!.path) {
let container = NSPersistentContainer(name: "DATABASE_NAME")
let description = NSPersistentStoreDescription(url: sqlitePath!)
description.shouldInferMappingModelAutomatically = true
description.shouldMigrateStoreAutomatically = true
container.persistentStoreDescriptions = [description]
container.loadPersistentStores(completionHandler: { (storeDescription, error) in
if let error = error as NSError? {
fatalError("Unresolved error \(error), \(error.userInfo)")
}
})
return container
}
let container = NSPersistentContainer(name: "DATABASE_NAME")
container.loadPersistentStores(completionHandler: { (storeDescription, error) in
if let error = error as NSError? {
fatalError("Unresolved error \(error), \(error.userInfo)")
}
})
return container
}()
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