private bool IsDatabaseCorrect(OrdersContext context)
{
try
{
context.Customers.FirstOrDefault();
context.Products.FirstOrDefault();
context.Orders.FirstOrDefault();
context.OrderLines.FirstOrDefault();
}
catch (SqlException)
{
// Assume an exception means the schema is out of date
return(false);
}
return((_productCount == context.Products.Count()) &&
(_customerCount == context.Customers.Count()) &&
(_customerCount * _ordersPerCustomer == context.Orders.Count()) &&
(_customerCount * _ordersPerCustomer * _linesPerOrder == context.OrderLines.Count()));
}
private bool IsDatabaseCorrect(OrdersContext context)
{
try
{
context.Customers.FirstOrDefault();
context.Products.FirstOrDefault();
context.Orders.FirstOrDefault();
context.OrderLines.FirstOrDefault();
}
catch (SqlException)
{
// Assume an exception means the schema is out of date
return false;
}
return (_productCount == context.Products.Count())
&& (_customerCount == context.Customers.Count())
&& (_customerCount * _ordersPerCustomer == context.Orders.Count())
&& (_customerCount * _ordersPerCustomer * _linesPerOrder == context.OrderLines.Count());
}
//private readonly IQueryable<object> _query;
public Profile()
{
var connectionString
= $@"Server={BenchmarkConfig.Instance.BenchmarkDatabaseInstance};Database=Perf_Query_Simple;Integrated Security=True;MultipleActiveResultSets=true;";
_context = new OrdersContext(connectionString);
//_query = _context.Products.AsNoTracking().Where(p => p.Retail < 15);
var product
= (from p in _context.Products
from p2 in _context.Products
select new { p, p2 })
.Select(a => a.p.Name)
.OrderBy(n => n)
.AsNoTracking()
.First();
//_query.Load();
}
private void EnsureDatabaseCreated()
{
using (var context = new OrdersContext(ConnectionString))
{
var database = context.GetService <IRelationalDatabaseCreator>();
if (!database.Exists())
{
context.Database.EnsureCreated();
InsertSeedData();
OnDatabaseCreated(context);
}
else if (!IsDatabaseCorrect(context))
{
context.Database.EnsureDeleted();
context.Database.EnsureCreated();
InsertSeedData();
OnDatabaseCreated(context);
}
Assert.True(IsDatabaseCorrect(context));
}
}
private void EnsureDatabaseCreated()
{
using (var context = new OrdersContext(ConnectionString))
{
var database = context.GetService<IRelationalDatabaseCreator>();
if (!database.Exists())
{
context.Database.EnsureCreated();
InsertSeedData();
OnDatabaseCreated(context);
}
else if (!IsDatabaseCorrect(context))
{
context.Database.EnsureDeleted();
context.Database.EnsureCreated();
InsertSeedData();
OnDatabaseCreated(context);
}
Assert.True(IsDatabaseCorrect(context));
}
}
protected virtual void OnDatabaseCreated(OrdersContext context)
{
}
private void InsertSeedData()
{
var products = CreateProducts(_productCount, setPrimaryKeys: false);
using (var context = new OrdersContext(ConnectionString))
{
context.Products.AddRange(products);
context.SaveChanges();
}
var customers = CreateCustomers(_customerCount, setPrimaryKeys: false);
using (var context = new OrdersContext(ConnectionString))
{
context.Customers.AddRange(customers);
context.SaveChanges();
}
var orders = CreateOrders(customers, _ordersPerCustomer, setPrimaryKeys: false);
using (var context = new OrdersContext(ConnectionString))
{
context.Orders.AddRange(orders);
context.SaveChanges();
}
var lines = CreateOrderLines(products, orders, _linesPerOrder, setPrimaryKeys: false);
using (var context = new OrdersContext(ConnectionString))
{
context.OrderLines.AddRange(lines);
context.SaveChanges();
}
}
protected virtual void OnDatabaseCreated(OrdersContext context)
{
}
