private static void Cleanup()
{
using (var context = new Recipe5Context())
{
context.Database.ExecuteSqlCommand("delete from chapter13.payment");
context.Database.ExecuteSqlCommand("delete from chapter13.account");
}
}
private static void RunExample()
{
using (var context = new Recipe5Context())
{
var watch = new Stopwatch();
watch.Start();
for (var i = 0; i < 5000; i++)
{
var account = new Account {
Name = "Test" + i, Balance = 10M,
Payments = new Collection <Payment> {
new Payment {
PaidTo = "Test" + (i + 1), Paid = 5M
}
},
};
context.Accounts.Add(account);
Console.WriteLine("Adding Account {0}", i);
}
context.SaveChanges();
watch.Stop();
Console.WriteLine("Time to insert: {0} seconds", watch.Elapsed.TotalSeconds);
}
using (var context = new Recipe5Context())
{
var watch = new Stopwatch();
watch.Start();
var accounts = context.Accounts.Include("Payments").ToList();
watch.Stop();
Console.WriteLine("Time to read: {0} seconds", watch.Elapsed.TotalSeconds);
watch.Restart();
foreach (var account in accounts)
{
account.Balance += 10M;
account.Payments.First().Paid += 1M;
}
context.SaveChanges();
watch.Stop();
Console.WriteLine("Time to update: {0} seconds", watch.Elapsed.TotalSeconds);
}
Console.WriteLine("Press <enter> to continue...");
Console.ReadLine();
}
