static void Main(string[] args)
{
var tph = new TPHContext();
tph.Computers.Add(new Laptop()
{
Price = 1000, Description = "Standard Laptop", Weight = 3
});
tph.SaveChanges();
//tph zrobione baza utworzone (podejscie code first)
var tpt = new TPTContext();
tpt.Computers.Add(new Laptop()
{
Price = 1000, Description = "Lightwaight Laptop", Weight = 1
});
tpt.SaveChanges();
//zrobione ladniej poukładane powydzielane na ab stracty na dziedziczone itd ale wada jest ze trzeba robic joiny
//ale uwaga joiny obnizaja wydajnosc dla tego tph tego nie ma (ale tam dane puchna połowa kolumn nullowych)
var tpc = new TPCContext();
tpc.Computers.Add(new Laptop()
{
Price = 1000, Description = "Lightwaight Laptop", Weight = 1
});
tpc.SaveChanges();
//tutaj zrobione juz TPC nie bedzie computers tylko pc i laptops mamy dwie tabele z relacja ale brak joinow odczyty szybkie
Console.WriteLine("Ready");
Console.ReadKey();
}
//Add-Migration InitialCreate
//update-database
static void Main(string[] args)
{
using (var context = new TPTContext())
{
Console.WriteLine("All courses:");
foreach (var course in context.Courses)
{
Console.WriteLine("{0}\t{1}", course.CourseId, course.CourseName);
}
Console.WriteLine("Online only: ");
foreach (var course in context.OnlineCourses)
{
Console.WriteLine("{0}\t{1}\t{2}", course.CourseId, course.Course.CourseName, course.SelfPaced);
}
Console.WriteLine("Lab only: ");
foreach (var course in context.LabCourses)
{
Console.WriteLine("{0}\t{1}\t{2}", course.CourseId, course.Course.CourseName, course.Location);
}
OnlineCourse online = new OnlineCourse()
{
Course = new Course()
{
CourseName = "Added In time " + DateTime.Now,
Price = 123
},
SelfPaced = true
};
LabCourse lab = new LabCourse()
{
Course = new Course()
{
CourseName = "Added In time " + DateTime.Now,
Price = 123
},
Location = "Home Center",
};
context.OnlineCourses.Add(online);
context.LabCourses.Add(lab);
context.SaveChanges();
}
}
