Here is some sample code to reproduce the problem:
Customer class
public class Customer
{
private int _id;
[Column("_id"), PrimaryKey, AutoIncrement]
public int Id
{
get { return _id; }
set
{
if (value != _id)
{_id = value;}
}
}
private string _name;
[Column("_name")]
public string Name
{
get { return _name; }
set
{
if (value != _name)
{_name = value;}
}
}
private List<Order> _orders;
[OneToMany(CascadeOperations = CascadeOperation.CascadeInsert | CascadeOperation.CascadeRead | CascadeOperation.CascadeDelete)]
public List<Order> Orders
{
get { return _orders; }
set
{
if (_orders != value)
{
_orders = value;
}
}
}
Order class
public class Order
{
private int _id;
[Column("_id"), PrimaryKey, AutoIncrement]
public int Id
{
get { return _id; }
set
{
if (value != _id)
_id = value;
}
}
private string _name;
[Column("_name")]
public string Name
{
get { return _name; }
set
{
if (value != _name)
_name = value;
}
}
private int _customerId;
[Column("_customerId"), ForeignKey(typeof(Customer))]
public int CustomerId
{
get { return _customerId; }
set
{
if (value != _customerId)
_customerId = value;
}
}
}
DB operations
Customer customer = new Customer(){Name = "Customer One"};
context.InsertWithChildren(customer, true);
customer.Orders = new List<Order>();
customer.Orders.Add(new Order(){Name="Sample order"});
context.UpdateWithChildren(customer);
// get a new copy from the db
var result = context.GetWithChildren<Customer>(customer.Id,true);
List<Order> orders = result.Orders; // Orders.Count is 0
Am I doing something wrong here or is UpdateWithChildren
supposed to work like this?
EDIT
Looks like UpdateWithChildren
does not insert a new Order
if one is not present in the DB. Inserting the order first, assigning it to the customer and then calling UpdateWithChildren
establishes the relationship.
Customer customer = new Customer(){Name = "Customer One"};
context.InsertWithChildren(customer, true);
List<Order> newOrders = new List<Order>();
newOrders.Add(new Order(){Name="Test order"});
context.InsertAllWithChildren(newOrders,true);
customer.Orders = newOrders;
context.UpdateWithChildren(customer);
var result = context.GetWithChildren<Customer>(customer.Id,true);
List<Order> orders = result.Orders; // Orders.Count is 1
I assume this is how I am supposed to do it?