Akka.Persistence.Sqlite.Snapshot.QueryBuilder.DeleteMany C# (CSharp) Метод

        public DbCommand DeleteMany(string persistenceId, long maxSequenceNr, DateTime maxTimestamp)
        {
            var sqlCommand = new SQLiteCommand();
            sqlCommand.Parameters.Add(new SQLiteParameter { Value = persistenceId });
            var sb = new StringBuilder(_deleteSql);

            if (maxSequenceNr < long.MaxValue && maxSequenceNr > 0)
            {
                sb.Append(@" AND sequence_nr <= ").Append(maxSequenceNr);
            }

            if (maxTimestamp > DateTime.MinValue && maxTimestamp < DateTime.MaxValue)
            {
                sb.AppendFormat(@" AND created_at <= {0}", maxTimestamp.Ticks);
            }

            sqlCommand.CommandText = sb.ToString();

            return sqlCommand;
        }