UITableViewController+CoreDataでセクション内セルを削除を行う場合 ref: http://qiita.com/g-1/items/549402748573adf46acc

file0.txt

- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath
{
  //...
  if (editingStyle == UITableViewCellEditingStyleDelete) {
    [tableView deleteRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationFade];
  }
}

file1.txt

- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath
{
  if (editingStyle == UITableViewCellEditingStyleDelete) {
    //CoreDataから削除
    NSInteger numRows = [self tableView:tableView numberOfRowsInSection:indexPath.section];
    self.isSectionDeleted = (numRows == 1);

    NSManagedObject* managedObject = [self.fetchedResultsController objectAtIndexPath:indexPath];
    [[MapData sharedManager].managedObjectContext deleteObject:managedObject];
    [[MapData sharedManager] save];
  } 
}

file2.txt

- (void)controller:(NSFetchedResultsController *)controller didChangeObject:(id)anObject atIndexPath:(NSIndexPath *)indexPath forChangeType:(NSFetchedResultsChangeType)type newIndexPath:(NSIndexPath *)newIndexPath
{
  UITableView* tableView = self.tableView;
  switch (type) {      
    case NSFetchedResultsChangeDelete:
      NSLog(@"indexPath.row=%ld section=%ld", indexPath.row, indexPath.section);
      if (self.isSectionDeleted) {
        NSLog(@"isSectionDeleted");
        [tableView deleteSections:[NSIndexSet indexSetWithIndex:indexPath.section] withRowAnimation:UITableViewRowAnimationAutomatic];
      }

      [tableView deleteRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationFade];

      break;

    case NSFetchedResultsChangeUpdate:
      break;

    default:
      break;
  }
}

file3.txt

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
  NSArray* sections =  [self.fetchedResultsController sections];
  id <NSFetchedResultsSectionInfo> sectionInfo = [sections objectAtIndex:section];
  return [sectionInfo numberOfObjects];
}

file4.txt

NSInteger numRows = [self tableView:tableView numberOfRowsInSection:indexPath.section];
    self.isSectionDeleted = (numRows == 1);