Reload table when the fetched results change.

Author: ZevEisenberg

CoreDataDemo/SessionsViewController.swift

@@ -35,6 +35,7 @@ class SessionsViewController: UITableViewController {
             sectionNameKeyPath: nil, // not using sections
             cacheName: nil // no need for caching
         )
+        fetchedResultsController.delegate = self
 
         do {
             try fetchedResultsController.performFetch()
@@ -67,3 +68,11 @@ class SessionsViewController: UITableViewController {
     }
 
 }
+
+extension SessionsViewController: NSFetchedResultsControllerDelegate {
+
+    func controllerDidChangeContent(_ controller: NSFetchedResultsController<NSFetchRequestResult>) {
+        tableView.reloadData()
+    }
+
+}