public void TestQueryForAddAndRemoveSameEntity()
{
using (var ctx = new DemoContext())
{
var human = new Model.Human
{
Id = 0,
Description = "Description",
Name = "Name"
};
try
{
ctx.Database.Log = s => System.Diagnostics.Debug.WriteLine(s);
// Case Initial: test logging
var blog = ctx.Humans.FirstOrDefault(x => x.Name == "Name");
ctx.SaveChangesAsync().Wait();
// Case 1: add only
ctx.Humans.Add(human);
ctx.Save();
// Case 2: remove only
ctx.Humans.Remove(human);
ctx.Save();
// Case 3: nothing will happen when whe add and remove same entity
ctx.Humans.Add(human);
ctx.Humans.Remove(human);
ctx.Save();
}
catch (Exception e)
{
var x = 1;
}
}
}
public void CreateDbSchema()
{
using (var ctx = new DemoContext())
{
var human = new Model.Human
{
Id = 0,
Description = "Description",
Name = "Name"
};
try
{
// ctx.Entities<Model.Human>().Add(human);
ctx.Humans.Add(human);
ctx.Save();
}
catch (Exception e)
{
var x = 1;
}
}
}