如何对swift中realm数据库单列的所有数据进行排序？

Question

How the database looks like:

Here is my data model:

class TodoData: Object {

@objc dynamic var todos: String = String()
@objc dynamic var times: String = String()
@objc dynamic var rows: Bool = Bool()
@objc dynamic var primaryID: Int = Int()

}

I am adding single row data every time but I need to only sort the primary ID column in ascending order.

Answer 1

Assign your realm config to a variable. The code below assumes you are using the default local config.

let realm = try! Realm()

Set an optional property in your VC to be of type Results ?. *Don't forget to import RealmSwift at the top of the VC.

var todos: Results<TodoData>?

Assign in ViewDidLoad

todos = realm.objects(TodoData.self).sorted(byKeyPath: "primaryID", ascending: true)

Bonus tip: Realm Results also support NSPredicates for filtering. Realm sorting