Re: EOF inserts already existing M:N relationships/empty snapshot?!?
Re: EOF inserts already existing M:N relationships/empty snapshot?!?
- Subject: Re: EOF inserts already existing M:N relationships/empty snapshot?!?
- From: OC <email@hidden>
- Date: Wed, 21 Sep 2016 03:44:11 +0200
Chuck,
all my PKs/FKs are the same:
- "INTEGER" for SQL type
- "NSNumber" for class name
- "i" for value type
Thanks a big lot!
OC
On 21. 9. 2016, at 3:40, Chuck Hill <email@hidden> wrote:
> Off the top of my head, check they types of the keys to, as defined in the EOModel, to the M:N table and in the M:N table. Are all consistently Integer or Long in Java?
>
> Chuck
>
>
> From: OC <email@hidden>
> Date: Tuesday, September 20, 2016 at 6:33 PM
> To: Chuck Hill <email@hidden>
> Cc: "email@hidden WebObjects" <email@hidden>
> Subject: Re: EOF inserts already existing M:N relationships/empty snapshot?!?
>
> Chuck,
>
> On 21. 9. 2016, at 2:40, email@hidden wrote:
>
> Aside of that, I have added a log into the DatabaseContextDelegate.databaseContextShouldUpdateCurrentSnapshot method, and here I *never* get *anything* for the relationships: neither the old (which is presumable) *nor the new* dictionary ever contain the “userDataBlocks” or “dataBlockUsers” key — not once.
>
> well this one's weird, or I am missing something of importance here.
>
> Meantime, I have played with another M:N, which works without a glitch (and which is modelled the same way as that one which does not, incidentally). Here, save-time, the snapshot does contain the proper related objects (and thus proper INSERTs are generated).
>
> The weird thing is that these objects *do not* come into the snapshot through the DatabaseContextDelegate.databaseContextShouldUpdateCurrentSnapshot method! It logs all right when the object is fetched, but the new (nor the old, of course) dictionary does *not* contain the relationship key at all -- precisely the same way it is with that relationship which does not work properly!
>
> Nevertheless, as mentioned above, save-time, the snapshot is all right. Couriouser and couriouser, Alice would say :-O
>
> Thanks and all the best,
> OC
>
>
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