Happy to help!  Sometimes it pays to be a dinosaur :)

Ken

> On Dec 11, 2013, at 12:05 PM, Alexis Tual <[email protected]> wrote:
> 
> Many thanks Ken, that was it !
> I've added all back-pointing relationships (no need to generate attributes 
> for them) and prefetch works, even on the parent entity (A in my example), 
> that's a great improvement !
> 
> Cheers,
> 
> Alex
> 
> 
> 2013/12/9 Alexis Tual <[email protected]>
>> Yes it's referencing A in my example. Do I have to reference all subentities 
>> of A ? I'll try tomorrow at the office.
>> 
>> Thanks
>> 
>> Alex
>> 
>> 
>> 2013/12/9 Ken Anderson <[email protected]>
>>> Is the back pointing relationship referencing the superclass?  You need to 
>>> create multiple relationships, specifically naming all the subclasses.
>>> 
>>>> On Dec 9, 2013, at 5:41 PM, Alexis Tual <[email protected]> wrote:
>>>> 
>>>> Hi Ken,
>>>> 
>>>> thanks for your suggestion, but I already have the backpointing 
>>>> relationship...
>>>> I'll try to do a simple projet to isolate the issue.
>>>> 
>>>> Alex
>>>> 
>>>> 
>>>> 
>>>> 2013/12/6 Ken Anderson <[email protected]>
>>>>> In ancient times… (and I mean like, 15 years ago)
>>>>> 
>>>>> A back pointing relationship from the subclasses of B to the abstract A 
>>>>> (where the to-many relationship ‘toB' is) was necessary for all the 
>>>>> plumbing to hook things up when the EOs came back from the prefetch.
>>>>> 
>>>>> Ken
>>>>> 
>>>>> On Dec 5, 2013, at 3:08 PM, Alexis Tual <[email protected]> wrote:
>>>>> 
>>>>> > Hi,
>>>>> >
>>>>> > I have 2 single table hierarchies :
>>>>> > - B1 inherits from B
>>>>> > - A1 inherits from A (abstract), A1 has a to-many relationship to B, 
>>>>> > let's call it toBs
>>>>> >
>>>>> > is it possible to prefetch this relationship ?
>>>>> >
>>>>> > We can't manage to get it work, I'll past the obscure exception 
>>>>> > tomorrow but can anyone confirm that this kind of prefetch works with 
>>>>> > EOF ?
>>>>> > I've also tried ERXBatchFetchUtilities which seems promising "This 
>>>>> > works much like prefetching with fetch specifications, however this 
>>>>> > implementation is able to work around inheritance where prefetching 
>>>>> > fail", but no luck :/
>>>>> >
>>>>> > Thanks
>>>>> >
>>>>> > Alex
>>>>> >
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