.Net Connector

public sealed class MachConnection : DbConnection

void Open()

void Close()

void SetConnectAppendFlush(bool activeFlush)

public sealed class MachCommand : DbCommand

MachCommand(string aQueryString, MachConnection aConn)

MachCommand(MachConnection aConn)

MachParameter CreateParameter()

MachAppendWriter AppendOpen(aTableName, aErrorCheckCount = 0, MachAppendOption = None)

void AppendData(MachAppendWriter aWriter, List<object> aDataList)

void AppendDataWithTime(MachAppendWriter aWriter, List<object> aDataList, DateTime aArrivalTime)

void AppendDataWithTime(MachAppendWriter aWriter, List<object> aDataList, ulong aArrivalTimeLong) 

void AppendFlush(MachAppendWriter aWriter)

void AppendClose(MachAppendWriter aWriter)

int ExecuteNonQuery()

object ExecuteScalar()

DbDataReader ExecuteDbDataReader(CommandBehavior aBehavior)

public sealed class MachDataReader : DbDataReader

string GetName(int ordinal)

string GetDataTypeName(int ordinal)

Type GetFieldType(int ordinal)

int GetOrdinal(string name)

object GetValue(int ordinal)

bool IsDBNull(int ordinal)

int GetValues(object[] values)

bool GetBoolean(int ordinal)
byte GetByte(int ordinal)
char GetChar(int ordinal)
short GetInt16(int ordinal)
int GetInt32(int ordinal)
long GetInt64(int ordinal)
DateTime GetDateTime(int ordinal)
string GetString(int ordinal)
decimal GetDecimal(int ordinal)
double GetDouble(int ordinal)
float GetFloat(int ordinal)

bool Read()

public sealed class MachParameterCollection : DbParameterCollection, IEnumerable<MachParameter>

MachParameter Add(string parameterName, DbType dbType)

int Add(object value)

void AddRange(Array values)

MachParameter<br>AddWithValue(string parameterName, object value)

bool Contains(object value)

bool Contains(string value)

void Clear()

int IndexOf(object value)

int IndexOf(string parameterName)

void Insert(int index, object value)

void Remove(object value)

void RemoveAt(int index)

void RemoveAt(string parameterName)

public sealed class MachParameter : DbParameter

public class MachException : DbException

public sealed class MachAppendWriter

void SetErrorDelegator(ErrorDelegateFuncType aFunc)

void ErrorDelegateFuncType(MachAppendException e);

public sealed class MachAppendException : MachException

string GetRowBuffer()

String sConnString = String.Format("SERVER={0};PORT_NO={1};UID=;PWD=MANAGER;", SERVER_HOST, SERVER_PORT);
MachConnection sConn = new MachConnection(sConnString);
sConn.Open();
//... do something
sConn.Close();

String sConnString = String.Format("SERVER={0};PORT_NO={1};UID=;PWD=MANAGER;", SERVER_HOST, SERVER_PORT);
using (MachConnection sConn = new MachConnection(sConnString))
{
    sConn.Open();
    //... do something
} // you don't need to call sConn.Close();

String sConnString = String.Format("SERVER={0};PORT_NO={1};UID=;PWD=MANAGER;", SERVER_HOST, SERVER_PORT);
using (MachConnection sConn = new MachConnection(sConnString))
{
    String sQueryString = "CREATE TABLE tab1 ( col1 INTEGER, col2 VARCHAR(20) )";
    MachCommand sCommand = new MachCommand(sQueryString , sConn)
    try
    {
        sCommand.ExecuteNonQuery();
    }
    catch (MachException me)
    {
        throw me;
    }
}

String sConnString = String.Format("SERVER={0};PORT_NO={1};UID=;PWD=MANAGER;", SERVER_HOST, SERVER_PORT);
using (MachConnection sConn = new MachConnection(sConnString))
{
    String sQueryString = "CREATE TABLE tab1 ( col1 INTEGER, col2 VARCHAR(20) )";
    using(MachCommand sCommand = new MachCommand(sQueryString , sConn))
    {
        try
        {
            sCommand.ExecuteNonQuery();
        }
        catch (MachException me)
        {
            throw me;
        }
    }
}

String sConnString = String.Format("SERVER={0};PORT_NO={1};UID=;PWD=MANAGER;", SERVER_HOST, SERVER_PORT);
using (MachConnection sConn = new MachConnection(sConnString))
{
    String sQueryString = "SELECT * FROM tab1;";
    using(MachCommand sCommand = new MachCommand(sQueryString , sConn))
    {
        try
        {
            MachDataReader sDataReader = sCommand.ExecuteReader();
            while (sDataReader.Read())
            {
                for (int i = 0; i < sDataReader.FieldCount; i++)
                {
                    Console.WriteLine(String.Format("{0} : {1}",
                                                    sDataReader.GetName(i),
                                                    sDataReader.GetValue(i)));
                }
            }
        }
        catch (MachException me)
        {
            throw me;
        }
    }
}

String sConnString = String.Format("SERVER={0};PORT_NO={1};UID=;PWD=MANAGER;", SERVER_HOST, SERVER_PORT);
using (MachConnection sConn = new MachConnection(sConnString))
{
    string sSelectQuery = @"SELECT *
        FROM tab2
        WHERE CreatedDateTime < @CurrentTime
        AND CreatedDateTime >= @PastTime";
 
    using (MachCommand sCommand = new MachCommand(sSelectQuery, sConn))
    {
        DateTime sCurrtime = DateTime.Now;
        DateTime sPastTime = sCurrtime.AddMinutes(-1);
 
        try
        {
            sCommand.ParameterCollection.Add(new MachParameter { ParameterName = "@CurrentTime", Value = sCurrtime });
            sCommand.ParameterCollection.Add(new MachParameter { ParameterName = "@PastTime", Value = sPastTime });
 
            MachDataReader sDataReader = sCommand.ExecuteReader();
 
            while (sDataReader.Read())
            {
                for (int i = 0; i < sDataReader.FieldCount; i++)
                {
                    Console.WriteLine(String.Format("{0} : {1}",
                                                    sDataReader.GetName(i),
                                                    sDataReader.GetValue(i)));
                }
            }
        }
        catch (MachException me)
        {
            throw me;
        }
    }
}

String sConnString = String.Format("SERVER={0};PORT_NO={1};UID=;PWD=MANAGER;", SERVER_HOST, SERVER_PORT);
using (MachConnection sConn = new MachConnection(sConnString))
{
    using (MachCommand sAppendCommand = new MachCommand(sConn))
    {
        MachAppendWriter sWriter = sAppendCommand.AppendOpen("tab2");
        sWriter.SetErrorDelegator(AppendErrorDelegator);
 
        var sList = new List<object>();
        for (int i = 1; i <= 100000; i++)
        {
            sList.Add(i);
            sList.Add(String.Format("NAME_{0}", i % 100));
 
            sAppendCommand.AppendData(sWriter, sList);
 
            sList.Clear();
 
            if (i % 1000 == 0)
            {
                sAppendCommand.AppendFlush();
            }
        }
 
        sAppendCommand.AppendClose(sWriter);
        Console.WriteLine(String.Format("Success Count : {0}", sWriter.SuccessCount));
        Console.WriteLine(String.Format("Failure Count : {0}", sWriter.FailureCount));
    }
}

private static void AppendErrorDelegator(MachAppendException e)
{
    Console.WriteLine("{0}", e.Message);
    Console.WriteLine("{0}", e.GetRowBuffer());
}

public static void ErrorCallbackFunc(MachAppendException e) 
{
    Console.WriteLine("====================");
    Console.WriteLine("Error occured");
    Console.WriteLine(e.Message);
    Console.WriteLine(e.StackTrace);
    Console.WriteLine("====================");
}

public static void DoAppend() 
{
    MachCommand com = new MachCommand(conn);
    MachAppendWriter writer = com.AppendOpen("tag", errorCheckCount);
    writer.SetErrorDelegator(ErrorCallbackFunc);
    //... do append 
}

private static string connString = $"SERVER={HOST};PORT_NO={port};USER={USER};PWD={PWD}";

public static void Main(string[] args) 
{
    MachConnection conn = new MachConnection(connString);
    conn.Open();
    conn.SetConnectAppendFlush(true);
}

conn.SetConnectAppendFlush(false);