Banshee.Database.BansheeDbFormatMigrator.Migrate_28 C# (CSharp) Method

        private bool Migrate_28 ()
        {
            // Update search keys for new space-stripping behavior.
            connection.Execute ("UPDATE CoreArtists SET NameLowered = HYENA_SEARCH_KEY(IFNULL(Name, ?))",
                                ArtistInfo.UnknownArtistName);
            connection.Execute ("UPDATE CoreAlbums SET ArtistNameLowered = HYENA_SEARCH_KEY(IFNULL(ArtistName, ?))," +
                                "                      TitleLowered = HYENA_SEARCH_KEY(IFNULL(Title, ?))",
                                ArtistInfo.UnknownArtistName, AlbumInfo.UnknownAlbumTitle);
            connection.Execute ("UPDATE CoreTracks SET TitleLowered = HYENA_SEARCH_KEY(IFNULL(Title, ?))",
                                TrackInfo.UnknownTitle);
            return true;
        }