private void btnConnect_Click(object sender, EventArgs e)
{
CConnectionContext cc = new CConnectionContext(txtHost.Text, 20903, txtUser.Text, txtPassword.Text);
m_spSql = new CSocketPool <CSqlServer>(false);
//set event for MySQL/Mariadb database shutdown
m_spSql.SocketPoolEvent += new CSocketPool <CSqlServer> .DOnSocketPoolEvent(m_spSql_SocketPoolEvent);
if (!m_spSql.StartSocketPool(cc, 1, 1))
{
txtMessage.Text = "No connection to " + txtHost.Text;
return;
}
CSqlServer sql = m_spSql.AsyncHandlers[0];
//set event for tracking all database table update events, delete, update and insert
m_spSql.Sockets[0].Push.OnPublish += new DOnPublish(Push_OnPublish);
//create a DB session with default to sample database sakila
bool ok = sql.Open("sakila", null, DB_CONSTS.ENABLE_TABLE_UPDATE_MESSAGES);
m_ds = new DataSet("real-time cache");
DataTable dt = null;
string errMsg = "";
//query all cached tables into client side for intial cache data
ok = sql.Execute("", (h, ret, err_msg, affected, fail_ok, id) =>
{
//this callback is fired from worker thread from socket pool thread
ok = (ret == 0);
errMsg = err_msg;
}, (h, data) =>
{
//this callback is fired from worker thread from socket pool thread
CSqlServer.AppendRowDataIntoDataTable(data, dt);
}, (h) =>
{
//this callback is fired from worker thread from socket pool thread
dt = CSqlServer.MakeDataTable(h.ColumnInfo);
string name = h.ColumnInfo[0].DBPath + "." + h.ColumnInfo[0].TablePath;
dt.TableName = name;
m_ds.Tables.Add(dt);
});
ok = sql.WaitAll();
txtMessage.Text = errMsg;
lstTables.Items.Clear();
foreach (DataTable table in m_ds.Tables)
{
lstTables.Items.Add(table.TableName);
}
if (m_ds.Tables.Count > 0)
{
lstTables.SelectedIndex = 0;
}
btnDisconnect.Enabled = ok;
btnConnect.Enabled = !ok;
}
static void TestStoredProcedure_2(CSqlServer sql, List <KeyValuePair <CDBColumnInfoArray, CDBVariantArray> > ra, CDBVariantArray vPData)
{
CParameterInfoArray vPInfo = new CParameterInfoArray();
CParameterInfo info = new CParameterInfo();
info.ParameterName = "RetVal";
info.DataType = tagVariantDataType.sdVT_INT;
info.Direction = tagParameterDirection.pdReturnValue;
vPInfo.Add(info);
info = new CParameterInfo();
info.ParameterName = "@testid";
info.DataType = tagVariantDataType.sdVT_INT;
vPInfo.Add(info);
info = new CParameterInfo();
info.ParameterName = "@dot";
info.DataType = tagVariantDataType.sdVT_DATETIMEOFFSET;
vPInfo.Add(info);
info = new CParameterInfo();
info.ParameterName = "@myxml";
info.DataType = tagVariantDataType.sdVT_XML;
info.ColumnSize = uint.MaxValue;
info.Direction = tagParameterDirection.pdInputOutput;
vPInfo.Add(info);
info = new CParameterInfo();
info.ParameterName = "@tuuid";
info.DataType = tagVariantDataType.sdVT_CLSID;
info.Direction = tagParameterDirection.pdInputOutput;
vPInfo.Add(info);
info = new CParameterInfo();
info.ParameterName = "@myvar";
info.DataType = tagVariantDataType.sdVT_VARIANT;
info.Direction = tagParameterDirection.pdOutput;
vPInfo.Add(info);
bool ok = sql.Prepare("sp_TestRare1", dr, vPInfo.ToArray());
//process multiple sets of parameters in one shot
ok = sql.Execute(vPData, er, (h, v) =>
{
KeyValuePair <CDBColumnInfoArray, CDBVariantArray> p = ra[ra.Count - 1];
p.Value.AddRange(v);
}, (h) =>
{
CDBColumnInfoArray v = h.ColumnInfo;
ra.Add(new KeyValuePair <CDBColumnInfoArray, CDBVariantArray>(v, new CDBVariantArray()));
Console.WriteLine("dbPath={0}, tablePath={1}", v[0].DBPath, v[0].TablePath);
});
}
static void TestBatch2(CSqlServer sql, List <KeyValuePair <CDBColumnInfoArray, CDBVariantArray> > ra, CDBVariantArray vParam)
{
CParameterInfoArray vPInfo = new CParameterInfoArray();
CParameterInfo info = new CParameterInfo();
info.ParameterName = "@ID";
info.DataType = tagVariantDataType.sdVT_INT;
vPInfo.Add(info);
info = new CParameterInfo();
info.ParameterName = "RetVal";
info.DataType = tagVariantDataType.sdVT_INT;
info.Direction = tagParameterDirection.pdReturnValue;
vPInfo.Add(info);
info = new CParameterInfo();
info.ParameterName = "@p_company_id";
info.DataType = tagVariantDataType.sdVT_INT;
vPInfo.Add(info);
//return direction can be ignorable
info = new CParameterInfo();
info.ParameterName = "@p_sum_salary";
info.DataType = tagVariantDataType.sdVT_R8;
info.Direction = tagParameterDirection.pdInputOutput;
vPInfo.Add(info);
info = new CParameterInfo();
info.ParameterName = "@p_last_dt";
info.DataType = tagVariantDataType.sdVT_DATE;
info.Direction = tagParameterDirection.pdOutput;
vPInfo.Add(info);
info = new CParameterInfo();
info.ParameterName = "@EMPLOYEEID";
info.DataType = tagVariantDataType.sdVT_INT;
vPInfo.Add(info);
//@sqltestdb.dbo.sp_TestProc@@@ -- one return (@) plus three parameters (@@@)
//there is no manual transaction if isolation is tiUnspecified
sql.ExecuteBatch(tagTransactionIsolation.tiUnspecified,
"select getdate();select * from company where id=@ID;@sqltestdb.dbo.sp_TestProc@@@;select * from employee where EMPLOYEEID=@EMPLOYEEID",
vParam, er, (h, v) => {
KeyValuePair <CDBColumnInfoArray, CDBVariantArray> p = ra[ra.Count - 1];
p.Value.AddRange(v);
}, (h) => {
CDBColumnInfoArray v = h.ColumnInfo;
ra.Add(new KeyValuePair <CDBColumnInfoArray, CDBVariantArray>(v, new CDBVariantArray()));
Console.WriteLine("dbPath={0}, tablePath={1}", v[0].DBPath, v[0].TablePath);
}, (h) => {
}, vPInfo.ToArray());
}
static void TestBatch(CSqlServer sql, List <KeyValuePair <CDBColumnInfoArray, CDBVariantArray> > ra)
{
CDBVariantArray vParam = new CDBVariantArray();
vParam.Add(1); //ID
vParam.Add(1); //EMPLOYEEID
CParameterInfoArray vPInfo = new CParameterInfoArray();
CParameterInfo info = new CParameterInfo();
info.ParameterName = "@ID";
info.DataType = tagVariantDataType.sdVT_INT;
vPInfo.Add(info);
info = new CParameterInfo();
info.ParameterName = "@EMPLOYEEID";
info.DataType = tagVariantDataType.sdVT_INT;
vPInfo.Add(info);
//there is no manual transaction if isolation is tiUnspecified
sql.ExecuteBatch(tagTransactionIsolation.tiUnspecified, "select getdate();select * from company where id=@ID;select * from employee where EMPLOYEEID=@EMPLOYEEID", vParam, er, (h, v) => {
KeyValuePair <CDBColumnInfoArray, CDBVariantArray> p = ra[ra.Count - 1];
p.Value.AddRange(v);
}, (h) => {
CDBColumnInfoArray v = h.ColumnInfo;
ra.Add(new KeyValuePair <CDBColumnInfoArray, CDBVariantArray>(v, new CDBVariantArray()));
Console.WriteLine("dbPath={0}, tablePath={1}", v[0].DBPath, v[0].TablePath);
}, (h) => {
}, vPInfo.ToArray());
vParam = new CDBVariantArray();
vParam.Add(1); //ID
vParam.Add(2); //EMPLOYEEID
vParam.Add(2); //ID
vParam.Add(3); //EMPLOYEEID
//Same as sqlite.BeginTrans();
//Select getdate();select * from COMPANY where ID=1;select * from COMPANY where ID=2;getdate();
//select * from EMPLOYEE where EMPLOYEEID=2;select * from EMPLOYEE where EMPLOYEEID=3
//ok = sqlite.EndTrans();
sql.ExecuteBatch(tagTransactionIsolation.tiUnspecified, "select getdate();select * from company where id=@ID;select getdate();select * from employee where EMPLOYEEID=@EMPLOYEEID", vParam, er, (h, v) => {
KeyValuePair <CDBColumnInfoArray, CDBVariantArray> p = ra[ra.Count - 1];
p.Value.AddRange(v);
}, (h) => {
CDBColumnInfoArray v = h.ColumnInfo;
ra.Add(new KeyValuePair <CDBColumnInfoArray, CDBVariantArray>(v, new CDBVariantArray()));
Console.WriteLine("dbPath={0}, tablePath={1}", v[0].DBPath, v[0].TablePath);
}, (h) => {
}, vPInfo.ToArray());
}
static void TestPreparedStatements(CSqlServer sql)
{
string sql_insert_parameter = "INSERT INTO company(ID,NAME,ADDRESS,Income)VALUES(@ID,@NAME,@ADDRESS,@Income)";
CParameterInfoArray vInfo = new CParameterInfoArray();
CParameterInfo info = new CParameterInfo();
info.ParameterName = "@ID";
info.DataType = tagVariantDataType.sdVT_INT;
vInfo.Add(info);
info = new CParameterInfo();
info.ParameterName = "@NAME";
info.DataType = tagVariantDataType.sdVT_BSTR;
info.ColumnSize = 64;
vInfo.Add(info);
info = new CParameterInfo();
info.ParameterName = "@ADDRESS";
info.DataType = tagVariantDataType.sdVT_BSTR;
info.ColumnSize = 256;
vInfo.Add(info);
info = new CParameterInfo();
info.ParameterName = "@Income";
info.DataType = tagVariantDataType.sdVT_R8; //double
vInfo.Add(info);
bool ok = sql.Prepare(sql_insert_parameter, dr, vInfo.ToArray());
CDBVariantArray vData = new CDBVariantArray();
//first set
vData.Add(1);
vData.Add("Google Inc.");
vData.Add("1600 Amphitheatre Parkway, Mountain View, CA 94043, USA");
vData.Add(66000000000.0);
//second set
vData.Add(2);
vData.Add("Microsoft Inc.");
vData.Add("700 Bellevue Way NE- 22nd Floor, Bellevue, WA 98804, USA");
vData.Add(93600000000.0);
//third set
vData.Add(3);
vData.Add("Apple Inc.");
vData.Add("1 Infinite Loop, Cupertino, CA 95014, USA");
vData.Add(234000000000.0);
ok = sql.Execute(vData, er);
}
static void TestPreparedStatements_2(CSqlServer sql)
{
CParameterInfoArray vInfo = new CParameterInfoArray();
CParameterInfo info = new CParameterInfo();
info.DataType = tagVariantDataType.sdVT_CLSID;
info.ParameterName = "@myguid";
vInfo.Add(info);
info = new CParameterInfo();
info.ParameterName = "@myxml";
info.DataType = tagVariantDataType.sdVT_BSTR;
info.ColumnSize = uint.MaxValue;
vInfo.Add(info);
info = new CParameterInfo();
info.ParameterName = "@myvariant";
info.DataType = tagVariantDataType.sdVT_VARIANT;
vInfo.Add(info);
info = new CParameterInfo();
info.ParameterName = "@mydateimeoffset";
info.DataType = tagVariantDataType.sdVT_DATE;
vInfo.Add(info);
//if a prepared statement contains UUID or sql_variant, you must specify an array of parameter definitions
string sql_insert_parameter = "INSERT INTO test_rare1(myguid,myxml,myvariant,mydateimeoffset)VALUES(@myguid,@myxml,@myvariant,@mydateimeoffset)";
bool ok = sql.Prepare(sql_insert_parameter, dr, vInfo.ToArray());
CDBVariantArray vData = new CDBVariantArray();
vData.Add(Guid.NewGuid());
vData.Add("<myxmlroot />");
vData.Add(23.456);
vData.Add(DateTime.Now);
vData.Add(Guid.NewGuid());
vData.Add("<myxmlroot_2 />");
vData.Add("马拉阿歌俱乐部");
vData.Add(DateTime.Now.AddSeconds(123.45));
ok = sql.Execute(vData, er);
}
static void TestStoredProcedure(CSqlServer sql, List <KeyValuePair <CDBColumnInfoArray, CDBVariantArray> > ra, CDBVariantArray vPData)
{
CParameterInfoArray vPInfo = new CParameterInfoArray();
CParameterInfo info = new CParameterInfo();
info.ParameterName = "RetVal";
info.DataType = tagVariantDataType.sdVT_INT;
info.Direction = tagParameterDirection.pdReturnValue;
vPInfo.Add(info);
info = new CParameterInfo();
info.ParameterName = "@p_company_id";
info.DataType = tagVariantDataType.sdVT_INT;
vPInfo.Add(info);
//return direction can be ignorable
info = new CParameterInfo();
info.ParameterName = "@p_sum_salary";
info.DataType = tagVariantDataType.sdVT_R8;
info.Direction = tagParameterDirection.pdInputOutput;
vPInfo.Add(info);
info = new CParameterInfo();
info.ParameterName = "@p_last_dt";
info.DataType = tagVariantDataType.sdVT_DATE;
info.Direction = tagParameterDirection.pdOutput;
vPInfo.Add(info);
bool ok = sql.Prepare("sqltestdb.dbo.sp_TestProc", dr, vPInfo.ToArray());
//process multiple sets of parameters in one shot
ok = sql.Execute(vPData, er, (h, v) =>
{
KeyValuePair <CDBColumnInfoArray, CDBVariantArray> p = ra[ra.Count - 1];
p.Value.AddRange(v);
}, (h) =>
{
CDBColumnInfoArray v = h.ColumnInfo;
ra.Add(new KeyValuePair <CDBColumnInfoArray, CDBVariantArray>(v, new CDBVariantArray()));
Console.WriteLine("dbPath={0}, tablePath={1}", v[0].DBPath, v[0].TablePath);
});
}
static void TestCreateTablesAndStoredProcedures(CSqlServer sql)
{
string create_database = "use master;IF NOT EXISTS(SELECT * FROM sys.databases WHERE name = 'sqltestdb') BEGIN CREATE DATABASE sqltestdb END";
bool ok = sql.Execute(create_database, er);
string use_database = "Use sqltestdb";
ok = sql.Execute(use_database, er);
string create_table = "IF NOT EXISTS(SELECT * FROM sys.tables WHERE name='company') create table company(ID bigint PRIMARY KEY NOT NULL, name CHAR(64) NOT NULL, ADDRESS varCHAR(256) not null, Income float not null)";
ok = sql.Execute(create_table, er);
create_table = "IF NOT EXISTS(SELECT * FROM sys.tables WHERE name='employee') create table employee(EMPLOYEEID bigint PRIMARY KEY NOT NULL, CompanyId bigint not null, name CHAR(64) NOT NULL, JoinDate DATETIME2(3) default null, MyIMAGE varbinary(max), DESCRIPTION nvarchar(max), Salary decimal(15,2), FOREIGN KEY(CompanyId) REFERENCES company(id))";
ok = sql.Execute(create_table, er);
create_table = "IF NOT EXISTS(SELECT * FROM sys.tables WHERE name='test_rare1') CREATE TABLE test_rare1(testid int IDENTITY(1,1) NOT NULL,myguid uniqueidentifier DEFAULT newid() NULL,mydate date DEFAULT getdate() NULL,mybool bit DEFAULT 0 NOT NULL,mymoney money default 0 NULL,mytinyint tinyint default 0 NULL,myxml xml DEFAULT '<myxml_root />' NULL,myvariant sql_variant DEFAULT 'my_variant_default' NOT NULL,mydateimeoffset datetimeoffset(4) NULL,PRIMARY KEY(testid))";
ok = sql.Execute(create_table, er);
create_table = "IF NOT EXISTS(SELECT * FROM sys.tables WHERE name='SpatialTable') CREATE TABLE SpatialTable(id int IDENTITY(1,1) NOT NULL,mygeometry geometry NULL,mygeography geography NULL,PRIMARY KEY(id))";
ok = sql.Execute(create_table, er);
string drop_proc = "IF EXISTS(SELECT * FROM sys.procedures WHERE name='sp_TestProc') drop proc sp_TestProc";
ok = sql.Execute(drop_proc, er);
string create_proc = "CREATE PROCEDURE sp_TestProc(@p_company_id int, @p_sum_salary float OUT, @p_last_dt datetime out) as select * from employee where companyid>=@p_company_id;select @p_sum_salary=sum(salary)+@p_sum_salary from employee where companyid>=@p_company_id;select @p_last_dt=SYSDATETIME()";
ok = sql.Execute(create_proc, er);
drop_proc = "IF EXISTS(SELECT * FROM sys.procedures WHERE name='sp_TestRare1') drop proc sp_TestRare1";
ok = sql.Execute(drop_proc, er);
create_proc = "CREATE PROCEDURE sp_TestRare1(@testid int, @dot datetimeoffset(4), @myxml xml output,@tuuid uniqueidentifier output,@myvar sql_variant out)as insert into test_rare1(myguid,myxml,mydateimeoffset)values(@tuuid,@myxml,@dot);select * from test_rare1 where testid>@testid;select @myxml='<myroot_testrare/>';select @tuuid=NEWID();select @myvar=N'test_variant_from_sp_TestRare1'";
ok = sql.Execute(create_proc, er);
}
static void Main(string[] args)
{
Console.WriteLine("Remote host: ");
string host = Console.ReadLine();
CConnectionContext cc = new CConnectionContext(host, 20901, "sa", "Smash123");
#if DEBUG
using (CSocketPool <CSqlServer> spSql = new CSocketPool <CSqlServer>(true, 3600 * 1000))
#else
using (CSocketPool <CSqlServer> spSql = new CSocketPool <CSqlServer>())
#endif
{
if (!spSql.StartSocketPool(cc, 1))
{
Console.WriteLine("Failed in connecting to remote async sql server. Press any key to close the application ......");
Console.Read();
return;
}
CSqlServer sql = spSql.Seek();
//track all DML (DELETE, INSERT and UPDATE) events
sql.Socket.Push.OnPublish += (sender, messageSender, group, msg) => {
if (group[0] == DB_CONSTS.STREAMING_SQL_CHAT_GROUP_ID)
{
object[] vMsg = (object[])msg;
tagUpdateEvent ue = (tagUpdateEvent)(int)(vMsg[0]);
string server = (string)vMsg[1];
string user = (string)vMsg[2];
string database = (string)vMsg[3];
Console.WriteLine("DML event={0}, server={1}, database={2}, user={3}, table={4}", ue, server, database, user, vMsg[4].ToString());
}
};
List <KeyValuePair <CDBColumnInfoArray, CDBVariantArray> > ra = new List <KeyValuePair <CDBColumnInfoArray, CDBVariantArray> >();
//enable monitoring DML events through triggers by flag DB_CONSTS.ENABLE_TABLE_UPDATE_MESSAGES
bool ok = sql.Open("", dr, DB_CONSTS.ENABLE_TABLE_UPDATE_MESSAGES);
sql.WaitAll();
CAsyncDBHandler.DRowsetHeader rh = (h) => {
CDBColumnInfoArray v = h.ColumnInfo;
if (v.Count > 0)
{
Console.WriteLine("dbPath={0}, tablePath={1}", v[0].DBPath, v[0].TablePath);
ra.Add(new KeyValuePair <CDBColumnInfoArray, CDBVariantArray>(v, new CDBVariantArray()));
}
};
CAsyncDBHandler.DRows rows = (h, vData) => {
int endIndex = ra.Count - 1;
ra[endIndex].Value.AddRange(vData);
};
//bring all table data which have USqlStream trigger (usqlserver.USqlStream.PublishDMLEvent) with an empty sql input string when opening with the flag DB_CONSTS.ENABLE_TABLE_UPDATE_MESSAGES
ok = sql.Execute("", er, rows, rh);
TestCreateTablesAndStoredProcedures(sql);
ok = sql.Execute("select * from SpatialTable", er, rows, rh);
ok = sql.Execute("delete from employee;delete from company;delete from test_rare1;delete from SpatialTable;INSERT INTO SpatialTable(mygeometry, mygeography)VALUES(geometry::STGeomFromText('LINESTRING(100 100,20 180,180 180)',0),geography::Point(47.6475,-122.1393,4326))", er);
ok = sql.Execute("INSERT INTO test_rare1(mybool,mymoney,myxml,myvariant,mydateimeoffset)values(1,23.45,'<sometest />', N'美国总统川普下个星期四','2017-05-02 00:00:00.0000000 -04:00');INSERT INTO test_rare1(mybool,mymoney,myvariant)values(0,1223.45,'This is a test for ASCII string inside sql_variant');INSERT INTO test_rare1(myvariant)values(283.45)", er);
TestPreparedStatements(sql);
TestPreparedStatements_2(sql);
InsertBLOBByPreparedStatement(sql);
CDBVariantArray vPData = new CDBVariantArray();
//first set
vPData.Add(0); //retval
vPData.Add(1);
vPData.Add(21.2);
vPData.Add(null);
//2nd set
vPData.Add(0); //retval
vPData.Add(2);
vPData.Add(11.42);
vPData.Add(null);
TestStoredProcedure(sql, ra, vPData);
sql.WaitAll();
vPData.Clear();
//first set
vPData.Add(-1); //return int
vPData.Add(1); //@testid
vPData.Add(DateTime.Now);
vPData.Add("<test_sqlserver />"); //@myxml
Guid guid = Guid.NewGuid();
vPData.Add(guid); //@tuuid
vPData.Add(true); //@myvar
//2nd set
vPData.Add(-2); //return int
vPData.Add(4); //@testid
vPData.Add(DateTime.Now);
vPData.Add("<test_sqlserver_again />"); //@myxml
Guid guid2 = Guid.NewGuid();
vPData.Add(guid2); //@tuuid
vPData.Add(false); //@myvar
TestStoredProcedure_2(sql, ra, vPData);
sql.WaitAll();
TestBatch(sql, ra);
CDBVariantArray vParam = new CDBVariantArray();
//first set
vParam.Add(1); //ID
vParam.Add(0); //retval
//last three data will be updated with outputs
vParam.Add(1); //input @p_company_id, output retval
vParam.Add(21.2); //input @p_sum_salary, output @p_sum_salary
vParam.Add(null); //output @p_last_dt
vParam.Add(2); //EMPLOYEEID
//2nd set
vParam.Add(2); //ID
vParam.Add(0); //retval
//last three data will be updated with outputs
vParam.Add(2); //input @p_company_id, output retval
vParam.Add(11.42); //input @p_sum_salary, output @p_sum_salary
vParam.Add(null); //output @p_last_dt
vParam.Add(3); //EMPLOYEEID
TestBatch2(sql, ra, vParam);
sql.WaitAll();
int index = 0;
Console.WriteLine("+++++ Start rowsets +++");
foreach (KeyValuePair <CDBColumnInfoArray, CDBVariantArray> it in ra)
{
Console.Write("Statement index = {0}", index);
if (it.Key.Count > 0)
{
Console.WriteLine(", rowset with columns = {0}, records = {1}.", it.Key.Count, it.Value.Count / it.Key.Count);
}
else
{
Console.WriteLine(", no rowset received.");
}
++index;
}
Console.WriteLine("+++++ End rowsets +++");
Console.WriteLine();
Console.WriteLine("Press any key to close the application ......");
Console.Read();
Console.WriteLine("Press any key to close the application ......");
Console.Read();
}
}
static void InsertBLOBByPreparedStatement(CSqlServer sql)
{
string wstr = "";
while (wstr.Length < 128 * 1024)
{
wstr += "广告做得不那么夸张的就不说了，看看这三家，都是正儿八经的公立三甲，附属医院，不是武警，也不是部队，更不是莆田，都在卫生部门直接监管下，照样明目张胆地骗人。";
}
string str = "";
while (str.Length < 256 * 1024)
{
str += "The epic takedown of his opponent on an all-important voting day was extraordinary even by the standards of the 2016 campaign -- and quickly drew a scathing response from Trump.";
}
string sqlInsert = "insert into employee(EMPLOYEEID, CompanyId,name,JoinDate,myimage,DESCRIPTION,Salary)values(@EMPLOYEEID,@CompanyId,@name,@JoinDate,@myimage,@DESCRIPTION,@Salary)";
CParameterInfoArray vInfo = new CParameterInfoArray();
CParameterInfo info = new CParameterInfo();
info.ParameterName = "@EMPLOYEEID";
info.DataType = tagVariantDataType.sdVT_INT;
vInfo.Add(info);
info = new CParameterInfo();
info.ParameterName = "@CompanyId";
info.DataType = tagVariantDataType.sdVT_INT;
vInfo.Add(info);
info = new CParameterInfo();
info.ParameterName = "@name";
info.ColumnSize = 64;
info.DataType = tagVariantDataType.sdVT_BSTR;
vInfo.Add(info);
info = new CParameterInfo();
info.ParameterName = "@JoinDate";
info.DataType = tagVariantDataType.sdVT_DATE;
vInfo.Add(info);
info = new CParameterInfo();
info.ParameterName = "@myimage";
info.ColumnSize = uint.MaxValue;
info.DataType = tagVariantDataType.sdVT_UI1 | tagVariantDataType.sdVT_ARRAY;
vInfo.Add(info);
info = new CParameterInfo();
info.ParameterName = "@DESCRIPTION";
info.ColumnSize = uint.MaxValue;
info.DataType = tagVariantDataType.sdVT_BSTR;
vInfo.Add(info);
info = new CParameterInfo();
info.ParameterName = "@Salary";
info.ColumnSize = uint.MaxValue;
info.DataType = tagVariantDataType.sdVT_DECIMAL;
info.Precision = 15;
info.Scale = 2;
vInfo.Add(info);
bool ok = sql.Prepare(sqlInsert, dr, vInfo.ToArray());
CDBVariantArray vData = new CDBVariantArray();
using (CScopeUQueue sbBlob = new CScopeUQueue()) {
//first set of data
vData.Add(1);
vData.Add(1); //google company id
vData.Add("Ted Cruz");
vData.Add(DateTime.Now);
sbBlob.Save(wstr);
byte[] bytes = sbBlob.UQueue.GetBuffer();
vData.Add(bytes);
vData.Add(wstr);
vData.Add(254000.2460d);
//second set of data
vData.Add(2);
vData.Add(1); //google company id
vData.Add("Donald Trump");
vData.Add(DateTime.Now);
sbBlob.UQueue.SetSize(0);
sbBlob.Save(str);
bytes = sbBlob.UQueue.GetBuffer();
vData.Add(bytes);
vData.Add(str);
vData.Add(20254000.197d);
//third set of data
vData.Add(3);
vData.Add(2); //Microsoft company id
vData.Add("Hillary Clinton");
vData.Add(DateTime.Now);
sbBlob.Save(wstr);
bytes = sbBlob.UQueue.GetBuffer();
vData.Add(bytes);
vData.Add(wstr);
vData.Add(6254000.5d);
//execute multiple sets of parameter data in one short
ok = sql.Execute(vData, er);
}
}
static void Main(string[] args)
{
Console.WriteLine("SocketPro performance test against a remote MS SQL backend DB");
Console.WriteLine("Remote host: ");
string host = Console.ReadLine();
using (CSocketPool <CSqlServer> spSql = new CSocketPool <CSqlServer>())
{
CConnectionContext cc = new CConnectionContext(host, 20903, "sa", "Smash123");
if (!spSql.StartSocketPool(cc, 1, 1))
{
Console.WriteLine("Failed in connecting to remote helloworld server. Press any key to close the application ......");
Console.Read();
return;
}
Console.WriteLine("Database name: ");
string dbName = Console.ReadLine();
Console.WriteLine("Table name: ");
string tableName = Console.ReadLine();
Console.WriteLine("sql filter: ");
string filter = Console.ReadLine();
Console.WriteLine("Asynchronous execution (0) or synchronous execution (1) ?");
bool sync = (Console.ReadKey().KeyChar != '0');
Console.WriteLine("");
Console.WriteLine("Computing ......");
CSqlServer mysql = spSql.Seek();
CAsyncDBHandler.DResult dr = (handler, res, errMsg) =>
{
if (res != 0)
{
Console.WriteLine("res = {0}, errMsg: {1}", res, errMsg);
}
};
uint obtained = 0;
bool ok = mysql.Open(dbName, dr);
#if USE_DATATABLE
List <KeyValuePair <CDBColumnInfoArray, DataTable> > ra = new List <KeyValuePair <CDBColumnInfoArray, DataTable> >();
#else
List <KeyValuePair <CDBColumnInfoArray, CDBVariantArray> > ra = new List <KeyValuePair <CDBColumnInfoArray, CDBVariantArray> >();
#endif
CAsyncDBHandler.DExecuteResult er = (handler, res, errMsg, affected, fail_ok, id) =>
{
if (res != 0)
{
Console.WriteLine("fails = {0}, oks = {1}, res = {2}, errMsg: {3}", (uint)(fail_ok >> 32), (uint)fail_ok, res, errMsg);
}
ra.Clear();
++obtained;
};
CAsyncDBHandler.DRows r = (handler, rowData) =>
{
//rowset data come here
int last = ra.Count - 1;
#if USE_DATATABLE
KeyValuePair <CDBColumnInfoArray, DataTable> item = ra[last];
CAsyncDBHandler.AppendRowDataIntoDataTable(rowData, item.Value);
#else
KeyValuePair <CDBColumnInfoArray, CDBVariantArray> item = ra[last];
item.Value.AddRange(rowData);
#endif
};
CAsyncDBHandler.DRowsetHeader rh = (handler) =>
{
//rowset header comes here
#if USE_DATATABLE
DataTable dt = CAsyncDBHandler.MakeDataTable(handler.ColumnInfo);
KeyValuePair <CDBColumnInfoArray, DataTable> item = new KeyValuePair <CDBColumnInfoArray, DataTable>(handler.ColumnInfo, dt);
#else
KeyValuePair <CDBColumnInfoArray, CDBVariantArray> item = new KeyValuePair <CDBColumnInfoArray, CDBVariantArray>(handler.ColumnInfo, new CDBVariantArray());
#endif
ra.Add(item);
};
obtained = 0;
string sql = "select * from " + tableName;
if (filter.Length > 0)
{
sql += " where " + filter;
}
int count = 10000;
DateTime start = DateTime.Now;
for (int n = 0; n < count; ++n)
{
//set meta to false so that server side doesn't return meta, which will improve query performance
ok = mysql.Execute(sql, er, r, rh, false);
if (sync && ok)
{
ok = mysql.WaitAll();
}
if (!ok)
{
break;
}
}
if (!sync && ok)
{
ok = mysql.WaitAll();
}
double diff = (DateTime.Now - start).TotalMilliseconds;
Console.WriteLine("Time required = {0} milliseconds for {1} query requests", diff, obtained);
//you need to compile and run the sample project test_sharp before running the below code
ok = mysql.Execute("USE sqltestdb;delete from company where id > 3");
string sql_insert_parameter = "INSERT INTO company(ID,NAME,ADDRESS,Income)VALUES(@ID,@NAME,@ADDRESS,@Income)";
CParameterInfoArray vInfo = new CParameterInfoArray();
CParameterInfo info = new CParameterInfo();
info.ParameterName = "@ID";
info.DataType = tagVariantDataType.sdVT_INT;
vInfo.Add(info);
info = new CParameterInfo();
info.ParameterName = "@NAME";
info.DataType = tagVariantDataType.sdVT_BSTR;
info.ColumnSize = 64;
vInfo.Add(info);
info = new CParameterInfo();
info.ParameterName = "@ADDRESS";
info.DataType = tagVariantDataType.sdVT_BSTR;
info.ColumnSize = 256;
vInfo.Add(info);
info = new CParameterInfo();
info.ParameterName = "@Income";
info.DataType = tagVariantDataType.sdVT_R8; //double
vInfo.Add(info);
ok = mysql.Prepare(sql_insert_parameter, dr, vInfo.ToArray());
ok = mysql.WaitAll();
int index = 0;
count = 50000;
Console.WriteLine();
Console.WriteLine("Going to insert {0} records into the table sqltestdb.company", count);
start = DateTime.Now;
CDBVariantArray vData = new CDBVariantArray();
ok = mysql.BeginTrans();
for (int n = 0; n < count; ++n)
{
vData.Add(n + 4);
int data = (n % 3);
switch (data)
{
case 0:
vData.Add("Google Inc.");
vData.Add("1600 Amphitheatre Parkway, Mountain View, CA 94043, USA");
vData.Add(66000000000.12);
break;
case 1:
vData.Add("Microsoft Inc.");
vData.Add("700 Bellevue Way NE- 22nd Floor, Bellevue, WA 98804, USA");
vData.Add(93600000001.24);
break;
default:
vData.Add("Apple Inc.");
vData.Add("1 Infinite Loop, Cupertino, CA 95014, USA");
vData.Add(234000000002.17);
break;
}
++index;
//send 2000 sets of parameter data onto server for processing in batch
if (2000 == index)
{
ok = mysql.Execute(vData, er);
ok = mysql.EndTrans();
vData.Clear();
Console.WriteLine("Commit {0} records into the table sqltestdb.company", index);
ok = mysql.BeginTrans();
index = 0;
}
}
if (vData.Count > 0)
{
ok = mysql.Execute(vData, er);
Console.WriteLine("Commit {0} records into the table sqltestdb.company", index);
}
ok = mysql.EndTrans();
ok = mysql.WaitAll();
diff = (DateTime.Now - start).TotalMilliseconds;
Console.WriteLine("Time required = {0} milliseconds for {1} insert requests", diff, count);
Console.WriteLine();
Console.WriteLine("Press any key to close the application ......");
Console.ReadLine();
}
}
private void m_spSql_SocketPoolEvent(CSocketPool <CSqlServer> sender, tagSocketPoolEvent spe, CSqlServer AsyncServiceHandler)
{
switch (spe)
{
case tagSocketPoolEvent.speSocketClosed:
//this event is fired from worker thread from socket pool thread
BeginInvoke(m_closed, "Database server or network shut down");
break;
default:
break;
}
}
