public void QuerySingleUser()
{
IConnection connection = Program.GetOpenConnection();
if (!connection.ExistTable<User>())
connection.CreateTable<User>();
User user1 = new User { username = "******", password = "******" };
User user2 = new User { username = "******", password = "******" };
User user3 = new User { username = "******", password = "******" };
connection.Insert(user1);
connection.Insert(user2);
connection.Insert(user3);
Console.WriteLine(user1);
Console.WriteLine(user2);
Console.WriteLine(user3);
user1 = connection.Get<User>(user2.id);
Console.WriteLine("Get user 2: " + user1);
try
{ // will cause a exception since user with id valued 3 doesn't exist
user1 = connection.Get<User>(0);
}
catch (Exception ex)
{
System.Console.WriteLine("Get user 0: Exception - " + ex.Message);
}
// will return null instead of throw a exception
user1 = connection.Find<User>(0);
Console.WriteLine("Find user 0: null? " + (user1 == null));
connection.DropTable<User>();
connection.Close();
}
public void QueryUsers()
{
IConnection connection = Program.GetOpenConnection();
if (!connection.ExistTable<User>())
connection.CreateTable<User>();
User user1 = new User { username = "******", password = "******" };
User user2 = new User { username = "******", password = "******" };
User user3 = new User { username = "******", password = "******" };
connection.Insert(user1);
connection.Insert(user2);
connection.Insert(user3);
foreach (var user in connection.Query<User>("select * from sample_users"))
{
Console.WriteLine(user);
}
connection.DropTable<User>();
connection.Close();
}
public void Transaction()
{
IConnection connection = Program.GetOpenConnection();
if (!connection.ExistTable<User>())
connection.CreateTable<User>();
User user1 = new User { username = "******", password = "******" };
Int64 id = connection.Insert(user1);
Console.WriteLine("Before transaction: " + user1);
connection.BeginTransaction();
user1.password = "******";
connection.Update(user1);
User user2 = connection.Get<User>(id);
Console.WriteLine("In transaction: " + user2);
connection.RollbackTransaction();
user2 = connection.Get<User>(id);
Console.WriteLine("Rollback transaction: " + user2);
connection.DropTable<User>();
connection.Close();
}
public void CRUD()
{
IConnection connection = Program.GetOpenConnection();
if (!connection.ExistTable<User>())
connection.CreateTable<User>();
User user1 = new User { username = "******", password = "******" };
Int64 id = connection.Insert(user1);
Console.WriteLine(user1);
user1.password = "******";
connection.Update(user1);
Console.WriteLine(user1);
User user2 = connection.Get<User>(id);
Console.WriteLine(user2);
connection.Delete(user2);
user2 = connection.Find<User>(id);
Console.WriteLine(user2);
connection.DropTable<User>();
connection.Close();
}
