all my PKs/FKs are the same:
- "INTEGER" for SQL type
- "NSNumber" for class name
- "i" for value type

Thanks a big lot!

On 21. 9. 2016, at 3:40, Chuck Hill <> 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 <>
> Date: Tuesday, September 20, 2016 at 6:33 PM
> To: Chuck Hill <>
> Cc: " WebObjects" 
> <>
> Subject: Re: EOF inserts already existing M:N relationships/empty snapshot?!?
> Chuck,
> On 21. 9. 2016, at 2:40, 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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