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 >>>>> > >>>>> > _______________________________________________ >>>>> > Do not post admin requests to the list. They will be ignored. >>>>> > Webobjects-dev mailing list ([email protected]) >>>>> > Help/Unsubscribe/Update your Subscription: >>>>> > https://lists.apple.com/mailman/options/webobjects-dev/kenlists%40anderhome.com >>>>> > >>>>> > This email sent to [email protected] >
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