MySql.Data.MySqlClient.MySqlDataAdapter.ExecuteBatch C# (CSharp) Метод

        protected override int ExecuteBatch()
        {
            int recordsAffected = 0;
            int index = 0;
            while (index < commandBatch.Count)
            {
                MySqlCommand cmd = (MySqlCommand)commandBatch[index++];
                for (int index2 = index; index2 < commandBatch.Count; index2++,index++)
                {
                    MySqlCommand cmd2 = (MySqlCommand)commandBatch[index2];
                    if (cmd2.BatchableCommandText == null || 
                        cmd2.CommandText != cmd.CommandText) break;
                    cmd.AddToBatch(cmd2);
                }
                recordsAffected += cmd.ExecuteNonQuery();
            }
            return recordsAffected;
        }