protected override void RemoveTrackRange (DatabaseTrackListModel model, RangeCollection.Range range)
{
ServiceManager.DbConnection.Execute (
String.Format (remove_range_sql, model.TrackIdsSql),
DateTime.Now,
model.CacheId, range.Start, range.End - range.Start + 1,
model.CacheId, range.Start, range.End - range.Start + 1
);
}