public BinaryResultSet Execute(int statementId, params object[] parameters) // how to avoid boxing? { var stream = client.GetStream(); var readWriteBuffer = InternalMemoryPool.GetBuffer(); var writer = PacketWriter.Create(readWriteBuffer); ProtocolWriter.WriteExecuteStatement(ref writer, statementId, parameters); var reader = SyncWriteAndRead(ref writer, 0, stream); // COM_STMT_PREPARE_OK on success, ERR_Packet otherwise if (reader.IsErrorPacket()) { throw ErrorPacket.Parse(ref reader).ToMySqlException(); } // TODO: Ok or ResultSet? var set = ProtocolReader.ReadBinaryResultSet(ref reader); return(set); }