public void EmptyQuery()
{
var db = new Energy.Source.Connection();
string error;
object result;
int number;
DataTable table;
Energy.Base.Table fetch;
result = db.Scalar(null, out error);
Assert.AreEqual("Empty query", error);
Assert.IsNull(result);
result = db.Scalar("", out error);
Assert.AreEqual("Empty query", error);
Assert.IsNull(result);
number = db.Scalar <int>(null, out error);
Assert.AreEqual("Empty query", error);
Assert.AreEqual(0, number);
number = db.Execute(null, out error);
Assert.AreEqual("Empty query", error);
Assert.AreEqual(-2, number);
table = db.Read(null, out error);
Assert.AreEqual("Empty query", error);
Assert.IsNull(table);
fetch = db.Fetch(null, out error);
Assert.AreEqual("Empty query", error);
Assert.IsNull(fetch);
table = db.Load(null, out error);
Assert.AreEqual("Empty query", error);
Assert.IsNull(table);
}
internal static void GetDate()
{
string connStr = "Data Source=.\\SQLEXPRESS;Initial Catalog=master;Integrated Security=Yes;Connect Timeout=10;";
connStr = Energy.Core.Tilde.Ask("Connection string", connStr);
Energy.Source.Connection <SqlConnection> source = new Energy.Source.Connection <SqlConnection>(connectionString: connStr);
source.Persistent = false;
int num1 = Energy.Core.Benchmark.Loop(() => { string result = source.Scalar <string>("SELECT GETDATE()"); }, 1);
source.Persistent = true;
int num2 = Energy.Core.Benchmark.Loop(() => { string result = source.Scalar <string>("SELECT GETDATE()"); }, 1);
Console.WriteLine($"Dynamic {num1} Persistent {num2}");
}
private static void Go(string[] args)
{
string connectionString = @"Data Source=.\SQLEXPRESS;Initial Catalog=platoon;Integrated Security=Yes;Connect Timeout=10;";
connectionString = @"Data Source=10.0.2.2;Initial Catalog=platoon;Integrated Security=No;User Id=platoon;Password=platoon;Connect Timeout=10;";
//connectionString = @"Data Source=W101-SQL01;Initial Catalog=BisSQL;Integrated Security=False;User ID=bissqluser;Password=B1sSqLP@ssW0rd;MultipleActiveResultSets=True;Connect Timeout=10";
//connectionString = @"Data Source=W103-FS02;Initial Catalog=BisSQLTest;Integrated Security=False;User ID=SZCbistestuser;Password=f4c!S7CzeCInSQLT3st!;MultipleActiveResultSets=True;Connect Timeout=30";
db = new Energy.Source.Connection <SqlConnection>(connectionString);
Console.WriteLine(db.Scalar("SELECT GETDATE()"));
Test1();
Test2();
}
public static void Work(object parameter)
{
Tuple <int, Energy.Source.Connection> data = (Tuple <int, Energy.Source.Connection>)parameter;
int number = data.Item1;
Energy.Source.Connection connection = data.Item2;
for (int i = 0; i < 3; i++)
{
Console.WriteLine("Thread:Iteration {0}:{1} {2}"
, number + 1
, i + 1
, connection.Scalar <string>("DO SLEEP(1); SELECT CURRENT_TIMESTAMP()")
);
}
}
private static void Test1(string[] args)
{
string connectionString = @"Data Source=:memory:;Version=3;New=True;";
db = new Energy.Source.Connection <System.Data.SQLite.SQLiteConnection>(connectionString);
db.Persistent = true; // needed for :memory: !!!
Console.WriteLine(db.Scalar("select current_timestamp;"));
Console.WriteLine(db.Scalar("select time(time(), 'localtime');"));
Console.WriteLine(db.Scalar("SELECT (STRFTIME('%Y-%m-%d %H:%M:%f', 'NOW'))"));
Energy.Interface.IDialect dialect = new Energy.Query.Dialect.SQLITE();
Energy.Interface.IDialect script = new Energy.Query.Dialect.SQLITE();
string query;
query = "select " + dialect.Format.CurrentStamp;
Console.WriteLine(query);
Console.WriteLine(db.Scalar(query));
Energy.Source.Structure.Table table;
table = Energy.Source.Structure.Table.Create(typeof(UserTableRecord));
query = dialect.CreateTable(table);
Console.WriteLine(query);
if (db.Execute(query) < 0)
{
Console.WriteLine(db.ErrorMessage);
}
query = "INSERT INTO " + script.Format.Object("UserTable") + " ( Name , Phone ) VALUES ( 'List' , 1234 )";
Console.WriteLine(query);
if (db.Execute(query) < 0)
{
Console.WriteLine(db.ErrorMessage);
}
query = "INSERT INTO " + script.Format.Object("UserTable") + " ( Name , Phone ) VALUES ( 'Element numer 1' , 4143141414 )";
Console.WriteLine(query);
if (db.Execute(query) < 0)
{
Console.WriteLine(db.ErrorMessage);
}
query = "INSERT INTO " + script.Format.Object("UserTable") + " ( Name ) VALUES ( 'Po prostu element' )";
Console.WriteLine(query);
if (db.Execute(query) < 0)
{
Console.WriteLine(db.ErrorMessage);
}
if (db.Execute(query) < 0)
{
Console.WriteLine(db.ErrorMessage);
}
if (db.Execute(query) < 0)
{
Console.WriteLine(db.ErrorMessage);
}
if (db.Execute(query) < 0)
{
Console.WriteLine(db.ErrorMessage);
}
query = "INSERT INTO " + script.Format.Object("UserTable") + " ( Name , Description ) VALUES ( '===' , 'ĄćęłńóśćżŹ' )";
Console.WriteLine(query);
if (db.Execute(query) < 0)
{
Console.WriteLine(db.ErrorMessage);
}
query = "SELECT * FROM " + script.Format.Object("UserTable");
Console.WriteLine(query);
DataTable dx1 = db.Load(query);
string text = Energy.Base.Plain.DataTableToPlainText(dx1, new Energy.Base.Plain.TableFormat.FullFrame()
{
Tilde = true
});
Energy.Core.Tilde.WriteLine(text);
if (db.Execute(query) < 0)
{
Console.WriteLine(db.ErrorMessage);
}
var tbl = db.Fetch(query);
foreach (var rec in tbl)
{
Console.WriteLine(rec.ToString(": "));
}
Console.WriteLine(query);
}
static void Main(string[] args)
{
Energy.Core.Tilde.WriteLine("~y~MySQL ~w~connection example");
Energy.Core.Log.Default.Destination.Add(new Energy.Core.Log.Target.Console());
Energy.Source.Connection <MySql.Data.MySqlClient.MySqlConnection> db;
db = new Energy.Source.Connection <MySql.Data.MySqlClient.MySqlConnection>();
db.ConnectionString = @"Server=127.0.0.1;Database=test;Uid=test;Pwd=test;";
db.OnCreate += Db_OnCreate;
db.OnClose += Db_OnClose;
string query = "SELECT * FROM INFORMATION_SCHEMA.PROCESSLIST";
//Console.WriteLine(db.Read))
Console.WriteLine(db.Fetch(query).ToPlain());
Energy.Core.Tilde.WriteLine("~c~Using 3 threads to retreive current timestamp 3 times with delay of 1 second each");
Energy.Core.Tilde.WriteLine("~y~Starting in persistent mode (one connection only)");
db.Persistent = true;
for (int i = 0; i < 3; i++)
{
Thread thread = new Thread(Work);
thread.Start(new Tuple <int, Energy.Source.Connection>(i, db));
}
Energy.Core.Tilde.Pause();
Energy.Core.Tilde.WriteLine("~y~Now in not persistent mode (opening new connection per each statement)");
db.Persistent = false;
for (int i = 0; i < 3; i++)
{
Thread thread = new Thread(Work);
thread.Start(new Tuple <int, Energy.Source.Connection>(i, db));
}
Energy.Core.Tilde.Pause();
db.ConnectionString = @"Server=127.0.0.1;Database=platoon;Uid=platoon;Pwd=platoon;";
db.Open();
Console.WriteLine(db.Scalar("SELECT CURRENT_TIMESTAMP()"));
Energy.Source.Structure.Table table = Energy.Source.Structure.Table.Create(typeof(UserTableRecord));
Energy.Interface.IDialect script = new Energy.Query.Dialect.MYSQL();
query = script.CreateDescription(table);
Console.WriteLine(query);
query = script.DropTable(table.Name);
if (db.Execute(query) < 0)
{
Console.WriteLine(db.ErrorMessage);
}
Console.WriteLine(query);
query = script.CreateTable(table);
if (db.Execute(query) < 0)
{
Console.WriteLine(db.ErrorMessage);
}
Console.WriteLine(query);
Console.ReadLine();
}