//
// NOTE: Used to test the fix for ticket [ccfa69fc32].
//
private static int EFTransactionTest(bool add)
{
//
// NOTE: Some of these territories already exist and should cause
// an exception to be thrown when we try to INSERT them.
//
long[] territoryIds = new long[] {
1, 2, 3, 4, 5, // NOTE: Success
6, 7, 8, 9, 10, // NOTE: Success
1576, 1577, 1578, 1579, 1580, // NOTE: Success
1581, 1730, 1833, 2116, 2139, // NOTE: Fail (1581)
2140, 2141 // NOTE: Skipped
};
if (add)
{
using (northwindEFEntities db = new northwindEFEntities())
{
using (TransactionScope scope = new TransactionScope())
{
//
// NOTE: *REQUIRED* This is required so that the
// Entity Framework is prevented from opening
// multiple connections to the underlying SQLite
// database (i.e. which would result in multiple
// IMMEDIATE transactions, thereby failing [later
// on] with locking errors).
//
db.Connection.Open();
foreach (int id in territoryIds)
{
Territories territories = new Territories();
territories.TerritoryID = id;
territories.TerritoryDescription = String.Format(
"Test Territory #{0}", id);
territories.Regions = db.Regions.First();
db.AddObject("Territories", territories);
}
try
{
#if NET_20
db.SaveChanges(false);
#else
db.SaveChanges(SaveOptions.None);
#endif
}
catch (Exception e)
{
Console.WriteLine(e);
}
finally
{
scope.Complete();
db.AcceptAllChanges();
}
}
}
}
else
{
using (northwindEFEntities db = new northwindEFEntities())
{
bool once = false;
#if NET_20
//
// HACK: We cannot use the Contains extension method within a
// LINQ query with the .NET Framework 3.5.
//
var query = from t in db.Territories
orderby t.TerritoryID
select t;
foreach (Territories territories in query)
{
if (Array.IndexOf(territoryIds, territories.TerritoryID) == -1)
continue;
if (once)
Console.Write(' ');
Console.Write(territories.TerritoryID);
once = true;
}
#else
var query = from t in db.Territories
where territoryIds.AsQueryable<long>().Contains<long>(t.TerritoryID)
orderby t.TerritoryID
select t;
foreach (Territories territories in query)
{
if (once)
Console.Write(' ');
Console.Write(territories.TerritoryID);
once = true;
}
#endif
}
}
return 0;
}
static void Main(string[] args)
{
using (northwindEFEntities db = new northwindEFEntities())
{
{
string entitySQL = "SELECT VALUE o FROM Orders AS o WHERE SQLite.DatePart('yyyy', o.OrderDate) = 1997;";
ObjectQuery<Orders> query = db.CreateQuery<Orders>(entitySQL);
foreach (Orders o in query)
{
Console.WriteLine(o.ShipPostalCode);
}
}
{
var query = from c in db.Customers
where c.City == "London"
orderby c.CompanyName
select c;
int cc = query.Count();
foreach (Customers c in query)
{
Console.WriteLine(c.CompanyName);
}
}
{
string scity = "London";
Customers c = db.Customers.FirstOrDefault(cd => cd.City == scity);
Console.WriteLine(c.CompanyName);
}
{
DateTime dt = new DateTime(1997, 1, 1);
var query = from order in db.Orders
where order.OrderDate < dt
select order;
foreach (Orders o in query)
{
Console.WriteLine(o.OrderDate.ToString());
}
}
{
Categories c = new Categories();
c.CategoryName = "Test Category";
c.Description = "My Description";
db.AddToCategories(c);
db.SaveChanges();
Console.WriteLine(c.CategoryID);
c.Description = "My modified description";
db.SaveChanges();
db.DeleteObject(c);
db.SaveChanges();
}
{
Customers cust = new Customers();
cust.CustomerID = "MTMTM";
cust.ContactName = "My Name";
cust.CompanyName = "SQLite Company";
cust.Country = "Netherlands";
cust.City = "Amsterdam";
cust.Phone = "012345677";
db.AddToCustomers(cust);
db.SaveChanges();
db.DeleteObject(cust);
db.SaveChanges();
}
{
var query = db.Customers.Where(cust => cust.Country == "Denmark")
.SelectMany(cust => cust.Orders.Where(o => o.Freight > 5));
foreach (Orders c in query)
{
Console.WriteLine(c.Freight);
}
}
{
var query = from c in db.Customers
where c.Orders.Any(o => o.OrderDate.HasValue == true && o.OrderDate.Value.Year == 1997)
select c;
foreach (Customers c in query)
{
Console.WriteLine(c.CompanyName);
}
}
{
string entitySQL = "SELECT VALUE o FROM Orders AS o WHERE o.Customers.Country <> 'UK' AND o.Customers.Country <> 'Mexico' AND Year(o.OrderDate) = 1997;";
ObjectQuery<Orders> query = db.CreateQuery<Orders>(entitySQL);
foreach (Orders o in query)
{
Console.WriteLine(o.ShipPostalCode);
}
}
{
string entitySQL = "SELECT VALUE o FROM Orders AS o WHERE NewGuid() <> NewGuid();";
ObjectQuery<Orders> query = db.CreateQuery<Orders>(entitySQL);
foreach (Orders o in query)
{
Console.WriteLine(o.ShipPostalCode);
}
}
// This query requires SQLite 3.6.2 to function correctly
{
var query = from p in db.Products
where p.OrderDetails.Count(od => od.Orders.Customers.Country == p.Suppliers.Country) > 2
select p;
foreach (Products p in query)
{
Console.WriteLine(p.ProductName);
}
}
}
Console.ReadKey();
}
//
// NOTE: Used to test the fix for ticket [8b7d179c3c].
//
private static int SkipTest(int pageSize)
{
using (northwindEFEntities db = new northwindEFEntities())
{
bool once = false;
int count = db.Customers.Count();
int PageCount = (pageSize != 0) ?
(count / pageSize) + ((count % pageSize) == 0 ? 0 : 1) : 1;
for (int pageIndex = 0; pageIndex < PageCount; pageIndex++)
{
var query = db.Customers.OrderBy(p => p.City).
Skip(pageSize * pageIndex).Take(pageSize);
foreach (Customers customers in query)
{
if (once)
Console.Write(' ');
Console.Write(customers.CustomerID);
once = true;
}
}
}
return 0;
}
//
// NOTE: Used to verify the behavior from ticket [00f86f9739].
//
private static int StartsWithTest(string value)
{
using (northwindEFEntities db = new northwindEFEntities())
{
bool once = false;
var query = from c in db.Customers
where c.City.StartsWith(value)
orderby c.CustomerID
select c;
foreach (Customers customers in query)
{
if (once)
Console.Write(' ');
Console.Write(customers.CustomerID);
once = true;
}
}
return 0;
}
//
// NOTE: Used to test the ROUND fix (i.e. being able to properly handle
// the two argument form).
//
private static int RoundTest()
{
using (northwindEFEntities db = new northwindEFEntities())
{
bool once = false;
foreach (int[] i in new int[][] {
new int[] { 10503, 65 },
new int[] { 10503, 14 },
new int[] { 10635, 5 }
})
{
for (int j = 0; j < 3; j++)
{
int oid = i[0];
int pid = i[1];
var query = from o in db.OrderDetails
where o.OrderID == oid && o.ProductID == pid
select new { NewUnitPrice = Math.Round(o.UnitPrice, j) };
foreach (object o in query)
{
if (once)
Console.Write(' ');
Console.Write("{0}", o);
once = true;
}
}
}
}
return 0;
}
private static int DateTimeTest()
{
using (northwindEFEntities db = new northwindEFEntities())
{
DateTime dateTime = new DateTime(1997, 1, 1, 0, 0, 0, DateTimeKind.Local);
int c1 = db.Orders.Where(i => i.OrderDate == new DateTime(1997, 1, 1, 0, 0, 0, DateTimeKind.Local)).Count();
int c2 = db.Orders.Where(i => i.OrderDate == dateTime).Count();
return c1 == c2 ? 0 : 1;
}
}
private static int ComplexPrimaryKeyTest()
{
using (northwindEFEntities db = new northwindEFEntities())
{
long orderId = 10248;
long productId = 1;
int[] counts = { 0, 0 };
//
// NOTE: *REQUIRED* This is required so that the
// Entity Framework is prevented from opening
// multiple connections to the underlying SQLite
// database (i.e. which would result in multiple
// IMMEDIATE transactions, thereby failing [later
// on] with locking errors).
//
db.Connection.Open();
KeyValuePair<string, object> orderIdPair =
new KeyValuePair<string, object>("OrderID", orderId);
KeyValuePair<string, object> productIdPair =
new KeyValuePair<string, object>("ProductID", productId);
/////////////////////////////////////////////////////////////////
OrderDetails newOrderDetails = new OrderDetails();
newOrderDetails.OrderID = orderId;
newOrderDetails.ProductID = productId;
newOrderDetails.UnitPrice = (decimal)1.23;
newOrderDetails.Quantity = 1;
newOrderDetails.Discount = 0.0f;
newOrderDetails.OrdersReference.EntityKey = new EntityKey(
"northwindEFEntities.Orders",
new KeyValuePair<string, object>[] { orderIdPair });
newOrderDetails.ProductsReference.EntityKey = new EntityKey(
"northwindEFEntities.Products",
new KeyValuePair<string, object>[] { productIdPair });
db.AddObject("OrderDetails", newOrderDetails);
try
{
db.SaveChanges();
counts[0]++;
}
catch (Exception e)
{
Console.WriteLine(e);
}
finally
{
db.AcceptAllChanges();
}
try
{
db.Refresh(RefreshMode.StoreWins, newOrderDetails);
counts[0]++;
}
catch (Exception e)
{
Console.WriteLine(e);
}
Console.WriteLine("inserted {0}", counts[0]);
/////////////////////////////////////////////////////////////////
newOrderDetails.UnitPrice = (decimal)2.34;
newOrderDetails.Quantity = 2;
newOrderDetails.Discount = 0.1f;
try
{
db.SaveChanges();
counts[1]++;
}
catch (Exception e)
{
Console.WriteLine(e);
}
finally
{
db.AcceptAllChanges();
}
try
{
db.Refresh(RefreshMode.StoreWins, newOrderDetails);
counts[1]++;
}
catch (Exception e)
{
Console.WriteLine(e);
}
Console.WriteLine("updated {0}", counts[1]);
}
return 0;
}
private static void DateTimeTest2(
string dateTimeFormat
)
{
TraceListener listener = new ConsoleTraceListener();
Trace.Listeners.Add(listener);
Environment.SetEnvironmentVariable("SQLite_ForceLogPrepare", "1");
if (dateTimeFormat != null)
{
Environment.SetEnvironmentVariable(
"AppendManifestToken_SQLiteProviderManifest",
String.Format(";DateTimeFormat={0};", dateTimeFormat));
}
using (northwindEFEntities db = new northwindEFEntities())
{
db.Orders.Where(i => i.OrderDate <
new DateTime(1997, 1, 1, 0, 0, 0, DateTimeKind.Local)).Count();
}
if (dateTimeFormat != null)
{
Environment.SetEnvironmentVariable(
"AppendManifestToken_SQLiteProviderManifest",
null);
}
Environment.SetEnvironmentVariable("SQLite_ForceLogPrepare", null);
Trace.Listeners.Remove(listener);
}
//
// NOTE: Used to test the BinaryGUID connection string property with
// the Contains() function (ticket [a4d9c7ee94]). We cannot
// use the Contains extension method within a LINQ query with
// the .NET Framework 3.5.
//
private static int BinaryGuidTest2(bool binaryGuid)
{
Environment.SetEnvironmentVariable(
"AppendManifestToken_SQLiteProviderManifest",
String.Format(";BinaryGUID={0};", binaryGuid));
using (northwindEFEntities db = new northwindEFEntities())
{
Guid guid = new Guid("2d3d2d3d-2d3d-2d3d-2d3d-2d3d2d3d2d3d");
Guid[] guids = new Guid[] { guid };
bool once = false;
var query = from t in db.Territories
where guids.AsQueryable<Guid>().Contains<Guid>(guid)
orderby t.TerritoryID
select t;
foreach (Territories t in query)
{
if (once)
Console.Write(' ');
Console.Write(t.TerritoryID);
once = true;
}
}
Environment.SetEnvironmentVariable(
"AppendManifestToken_SQLiteProviderManifest",
null);
return 0;
}
//
// NOTE: Used to test the BinaryGUID fix (i.e. BLOB literal formatting
// of GUID values when the BinaryGUID connection property has been
// enabled).
//
private static int BinaryGuidTest(bool binaryGuid)
{
Environment.SetEnvironmentVariable(
"AppendManifestToken_SQLiteProviderManifest",
String.Format(";BinaryGUID={0};", binaryGuid));
using (northwindEFEntities db = new northwindEFEntities())
{
string sql = "SELECT VALUE GUID " +
"'2d3d2d3d-2d3d-2d3d-2d3d-2d3d2d3d2d3d' " +
"FROM Orders AS o WHERE o.OrderID = 10248;";
ObjectQuery<string> query = db.CreateQuery<string>(sql);
foreach (string s in query)
Console.WriteLine(s);
}
Environment.SetEnvironmentVariable(
"AppendManifestToken_SQLiteProviderManifest",
null);
return 0;
}
//
// NOTE: Used to test the UPDATE fix (i.e. the missing semi-colon
// in the SQL statement between the actual UPDATE statement
// and the follow-up SELECT statement).
//
private static int UpdateTest()
{
long[] orderIds = new long[] {
0
};
using (northwindEFEntities db = new northwindEFEntities())
{
int[] counts = { 0, 0 };
//
// NOTE: *REQUIRED* This is required so that the
// Entity Framework is prevented from opening
// multiple connections to the underlying SQLite
// database (i.e. which would result in multiple
// IMMEDIATE transactions, thereby failing [later
// on] with locking errors).
//
db.Connection.Open();
for (int index = 0; index < orderIds.Length; index++)
{
Orders newOrders = new Orders();
newOrders.ShipAddress = String.Format(
"Test Order Ship Address, Index #{0}",
index);
db.AddObject("Orders", newOrders);
try
{
db.SaveChanges();
counts[0]++;
// StoreGeneratedPattern="Identity"
orderIds[index] = newOrders.OrderID;
// StoreGeneratedPattern="None"
newOrders.ShipAddress = String.Format(
"New Order Ship Address #{0}",
orderIds[index]);
// StoreGeneratedPattern="Computed"
newOrders.Freight = 1;
db.SaveChanges();
counts[1]++;
}
catch (Exception e)
{
Console.WriteLine(e);
}
finally
{
db.AcceptAllChanges();
}
}
Console.WriteLine(
"inserted {0} updated {1}", counts[0], counts[1]);
}
return 0;
}
//
// NOTE: Used to test the fix for ticket [0a32885109].
//
private static int UnionAllTest()
{
using (northwindEFEntities db = new northwindEFEntities())
{
bool once = false;
var customers1 = db.Customers.Where(
f => f.Orders.Any()).OrderByDescending(
f => f.CompanyName).Skip(1).Take(1);
var customers2 = db.Customers.Where(
f => f.Orders.Any()).OrderBy(
f => f.CompanyName).Skip(1).Take(1);
var customers3 = db.Customers.Where(
f => f.CustomerID.StartsWith("B")).OrderBy(
f => f.CompanyName).Skip(1).Take(1);
foreach (var customer in customers1)
{
if (once)
Console.Write(' ');
Console.Write(customer.CustomerID);
once = true;
}
foreach (var customer in customers2)
{
if (once)
Console.Write(' ');
Console.Write(customer.CustomerID);
once = true;
}
foreach (var customer in customers3)
{
if (once)
Console.Write(' ');
Console.Write(customer.CustomerID);
once = true;
}
foreach (var customer in customers1.Concat(customers2))
{
if (once)
Console.Write(' ');
Console.Write(customer.CustomerID);
once = true;
}
foreach (var customer in
customers1.Concat(customers2).Concat(customers3))
{
if (once)
Console.Write(' ');
Console.Write(customer.CustomerID);
once = true;
}
}
return 0;
}
//
// NOTE: Used to verify that the SUBSTR function is used to
// implement the Substring method.
//
private static int SubStringTest()
{
using (northwindEFEntities db = new northwindEFEntities())
{
try
{
bool once = false;
var query = db.Customers.Select(
p => "test".Substring(1) != null);
foreach (var result in query)
{
if (once)
Console.Write(' ');
Console.Write(result);
once = true;
}
return 0;
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
return 1;
}
