private static void SqLitesTest(TestDBConnection connection)
{
Console.WriteLine("\n\n----- Table:SqLite -----\n");
List<SqLite> result = connection.SqLite.ToList();
Console.WriteLine("All entries:");
foreach (SqLite entry in result) {
Console.WriteLine(String.Format(" Id:{0}, Name:{1}, Value:{2}", entry.Id, entry.Name, entry.Value));
}
Guid firstId = new Guid("5641615f-b658-4572-a783-cf8c9217ba51");
SqLite first = connection.SqLite.First(delegate(SqLite s) { return s.Id == firstId; });
WriteSqLiteResult("First[Id]: ", first);
SqLite firstOrDefault = connection.SqLite.FirstOrDefault(delegate(SqLite s) { return s.Id == firstId; });
//SqLite firstOrDefault = connection.SqLite.FirstOrDefault(s => s.Id == firstId ); // This fails!
WriteSqLiteResult("FirstOrDefault[Id]:", firstOrDefault);
SqLite singleOrDefault = connection.SqLite.SingleOrDefault(t => t.Name == "Second");
WriteSqLiteResult("SingleOrDefault[Name]: ", singleOrDefault);
ExtraTest(connection.SqLite.ToList());
SqLite firstOrDefaultOnName = connection.SqLite.FirstOrDefault(n => n.Name == "First");
WriteSqLiteResult("FirstOrDefault[Name]: ", firstOrDefaultOnName);
}
/// <summary>
/// Retrieves all entries in the database using LINQ.
/// The database has been created using the Schema.sqlite script
/// and the command line tool sqlite3.
/// </summary>
static void Main()
{
using (var connection = new TestDBConnection()) {
PersonTest(connection);
}
using (var connection = new TestDBConnection()) {
SqLitesTest(connection);
}
Console.WriteLine("----- Press enter to continue -----");
Console.ReadLine();
}
private static void PersonTest(TestDBConnection connection)
{
Console.WriteLine("\n\n----- Table:Person -----\n");
List<Person> result = connection.Person.ToList();
Console.WriteLine("All entries:");
foreach (Person entry in result) {
WritePersonResult(" Person:", entry);
}
Person single = connection.Person.Single(t => t.Id == 1);
WritePersonResult("Single: \t", single);
Person firstOrDefault = connection.Person.FirstOrDefault(t => t.Id == 1);
WritePersonResult("FirstOrDefault: ", firstOrDefault);
Person singleOrDefault = connection.Person.SingleOrDefault(t => t.Name == "Pete");
WritePersonResult("SingleOrDefault: ", singleOrDefault);
Person firstOrDefaultOnName = connection.Person.FirstOrDefault(person => person.Name == "Bob"); // This crashes!
WritePersonResult("FirstOrDefaultOnName: ", firstOrDefaultOnName);
}
