Akka.Persistence.Sqlite.Journal.SqliteQueryBuilder.DeleteBatchMessages C# (CSharp) 메소드

        public DbCommand DeleteBatchMessages(string persistenceId, long toSequenceNr)
        {
            var sb = new StringBuilder();

            sb.Append("DELETE FROM ").Append(_tableName);

            sb.Append(" WHERE persistence_id = ?");

            if (toSequenceNr != long.MaxValue)
            {
                sb.Append(" AND sequence_nr <= ").Append(toSequenceNr);
            }

            return new SQLiteCommand(sb.ToString())
            {
                Parameters = { new SQLiteParameter { Value = persistenceId } }
            };
        }
    }