PersonsViewController.swift

import UIKit
import GRDB

class PersonsViewController: UITableViewController {
    var personsController: FetchedRecordsController<Person>!

    override func viewDidLoad() {
        super.viewDidLoad()
        
        // The persons, sorted by score then by name
        let score = SQLColumn("score")
        let name = SQLColumn("name")
        let request = Person.order(score.desc, name)
        
        // The FetchedRecordsController
        personsController = FetchedRecordsController(
            dbQueue,
            request: request,
            compareRecordsByPrimaryKey: true)
        personsController.delegate = self
        personsController.performFetch()
    }
}