private void TransactionTest2()
{
var selectOperation = new TextQueryOperation("SELECT [Key] FROM [dbo].[Workle.Users] WHERE [Id]=@id", new {
id = 1
}, "global", "users");
while (true)
{
using (DbOperationScope outer = new DbOperationScope())
{
Console.WriteLine("Select => {0}",
outer.Execute(selectOperation).Scalar<Guid>());
}
Thread.Sleep(2400);
}
}
private IEnumerable<User> SelectUsers(int count)
{
var operation = new SelectUsersOperation(count);
using (var scope = new DbOperationScope())
{
return scope.Execute(operation);
}
}
public void TransactionTest()
{
var selectOperation = new TextQueryOperation("SELECT [Key] FROM [dbo].[Workle.Users] WHERE [Id]=@id", new {
id = 1
}, "global", "users");
while (true)
{
using (DbOperationScope outer = new DbOperationScope())
{
outer.IsolationLevel = System.Data.IsolationLevel.RepeatableRead;
Guid currentKey = outer.Execute(selectOperation).Scalar<Guid>();
Console.WriteLine("Thread {0}, Current => {1}",
Thread.CurrentThread.ManagedThreadId, currentKey);
var key = Guid.NewGuid();
var updateOperation = new TextModifyOperation("UPDATE [dbo].[Workle.Users] SET [Key]=@key WHERE [Id]=@id AND [Key]=@current",
new {
id = 1,
key = key,
current = currentKey
}, "users");
Console.WriteLine("Thread {0}, Key changed to {1}, {2} rows affected",
Thread.CurrentThread.ManagedThreadId, key, outer.Execute(updateOperation));
Thread.Sleep(4000);
Console.WriteLine("Thread {0}, Updated => {1}\n",
Thread.CurrentThread.ManagedThreadId,
outer.Execute(selectOperation).Scalar<Guid>());
outer.Commit();
}
}
}
