Re: To-one relationship with propagating primary key
Re: To-one relationship with propagating primary key
- Subject: Re: To-one relationship with propagating primary key
- From: Johann Werner <email@hidden>
- Date: Sun, 13 Jan 2019 13:02:12 +0100
Hi Ricardo,
when using pk propagation I vaguely remember that EOF is automatically creating
an instance of the dependent entity. Thus when you create a second object B and
set the relationship to A the auto created object is left without connection.
jw
> Am 13.01.2019 um 12:44 schrieb Ricardo Parada <email@hidden>:
>
> Hi all,
>
> I have an entity A with a to-one relationship to entity B.
>
> The relationship is setup in eomodeler to propagate it’s primary key from A
> to B.
>
> I then create A and B, insert into editing context and set the to-one
> relationship in A to point to B. When I save changes EOF is trying to insert
> TWO instances of B. The second instance of B has NULL in all its properties:
>
> INSERT INTO HOSTING_COMPANY(CUSTOMER_ID, name) VALUES (?, ?)" withBindings:
> 1:20462(customerID), 2:"test"(name)>
>
> INSERT INTO HOSTING_COMPANY(CUSTOMER_ID, name) VALUES (NULL, NULL)
>
>
> Is this a know bug? I am using a very old version of Wonder.
>
> The relationship is also set up to own the destination and Cascade on Delete.
>
> Thanks in advance for any help.
>
> Ricardo
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