Hi Marc, I'm not sure this ever got into the mainline. However i cannot seem to apply the darcs patch; would you mind regenerating?
Thank you, Ian On Aug 13, 2008, at 2:06 AM, Marc wrote: > Hi! >> i forgot to attach the patch to the mail - so other users - if they >> have >> the same problem - will be able to compare the current source with >> our >> patch. >> >> > here a slighly expanded version of the same patch that also allows > remove-association to work for unbound slots. > > Best regards, > > Marc >> >> >> >>> hi, >>> >>> while we were working on the problem "associations between >>> instances of >>> the same class" we also were trying to solve the remove-association >>> problem. >>> >>> we have a suggestion - it differs a little from the original way, >>> but >>> maybe it is helpful. >>> >>> so i sent a patch today. >>> >>> >>> regards >>> >>> lukas >>> >>> >>> >>>> I was getting too much spam so require authentication on the Trac >>>> now. The admins can be slow to grant accounts or enable Trac. >>>> If you >>>> send me a report directly on e-mail I'll add it for you. >>>> >>>> Ian >>>> >>>> On Jul 9, 2008, at 3:55 PM, LukasGiessmann wrote: >>>> >>>> >>>>> Hi Ian, >>>>> >>>>> I know this is not the right space to place this question butI >>>>> don´t >>>>> know >>>>> were else I should do it. >>>>> Tried to get an account for http://trac.common-lisp.net/ >>>>> elephant; I >>>>> wrote >>>>> a mail to ad...@common-lisp.net but haven´t got an answer yet. >>>>> Is there another possibility to mark this bug? >>>>> >>>>> Best regards >>>>> Lukas >>>>> >>>>> >>>>>> I haven't looked at that code in a bit, but I suspect that the >>>>>> right >>>>>> thing happens if you just remove the association definition from >>>>>> defclass and reevaluate the defclass form. Can you mark this >>>>>> as a >>>>>> bug >>>>>> in elephant so I can remember to look into it later? >>>>>> >>>>>> Thank you, >>>>>> Ian >>>>>> >>>>>> On Jul 4, 2008, at 4:24 AM, LukasGiessmann wrote: >>>>>> >>>>>> >>>>>>> hello, >>>>>>> >>>>>>> since our last mail working with associations turned out to go >>>>>>> quite >>>>>>> well >>>>>>> but one more problem came up: >>>>>>> i tried to change the associations by removing it and >>>>>>> replacing it >>>>>>> by a >>>>>>> new association. but the function "remove-association" only >>>>>>> works >>>>>>> partially. >>>>>>> >>>>>>> 1. in this one-to-one association the function doesn't work at >>>>>>> all. >>>>>>> --- >>>>>>> (defpclass job() >>>>>>> ((title :initarg :title :accessor title-of :index t) >>>>>>> (company :initarg :company :accessor company-of :index t) >>>>>>> (job-holder :initarg :job-holder :accessor job-holder- >>>>>>> of :associate >>>>>>> person))) >>>>>>> >>>>>>> (defpclass person() >>>>>>> ((name :initarg :name :accessor name-of :index t) >>>>>>> (job :initarg :job :accessor job-of :associate job))) >>>>>>> --- >>>>>>> >>>>>>> an error message shows up: >>>>>>> >>>>>>> (remove-association *job1* 'job-holder *person1*) ; -> There >>>>>>> is no >>>>>>> applicable method for the generic function #<STANDARD-GENERIC- >>>>>>> FUNCTION >>>>>>> ELEPHANT::OID (1)> when called with arguments (NIL). >>>>>>> >>>>>>> same thing happens when i use the following statement: >>>>>>> (setf (job-holder-of *job1*) nil) >>>>>>> >>>>>>> >>>>>>> 2. by one-to-many associations generally nothing happens at all. >>>>>>> --- >>>>>>> (defpclass job() >>>>>>> ((title :initarg :title :accessor title-of :index t) >>>>>>> (company :initarg :company :accessor company-of :index t) >>>>>>> (job-holders :accessor job-holders-of :associate (person job)))) >>>>>>> >>>>>>> (defpclass person() >>>>>>> ((name :initarg :name :accessor name-of :index t) >>>>>>> (job :initarg :job :accessor job-of :associate job))) >>>>>>> --- >>>>>>> >>>>>>> it only works in this case: >>>>>>> --- >>>>>>> (drop-instance *person2*) >>>>>>> (remove-association *job2* 'job-holders *person2*) >>>>>>> --- >>>>>>> >>>>>>> >>>>>>> 3. in the case of many-to-many associations everything goes >>>>>>> fine. >>>>>>> >>>>>>> how do i get the "remove-association" function to work? >>>>>>> are there other ways for changing associations? >>>>>>> >>>>>>> >>>>>>> thank you for your help >>>>>>> >>>>>>> lukas >>>>>>> >>>>>>> _______________________________________________ >>>>>>> elephant-devel site list >>>>>>> elephant-devel@common-lisp.net >>>>>>> http://common-lisp.net/mailman/listinfo/elephant-devel >>>>>>> >>>>>> _______________________________________________ >>>>>> elephant-devel site list >>>>>> elephant-devel@common-lisp.net >>>>>> http://common-lisp.net/mailman/listinfo/elephant-devel >>>>>> >>>>>> >>>>> _______________________________________________ >>>>> elephant-devel site list >>>>> elephant-devel@common-lisp.net >>>>> http://common-lisp.net/mailman/listinfo/elephant-devel >>>>> >>>> _______________________________________________ >>>> elephant-devel site list >>>> elephant-devel@common-lisp.net >>>> http://common-lisp.net/mailman/listinfo/elephant-devel >>>> >>>> >>> _______________________________________________ >>> elephant-devel site list >>> elephant-devel@common-lisp.net >>> http://common-lisp.net/mailman/listinfo/elephant-devel >>> >>> >>> ------------------------------------------------------------------------ >>> >>> _______________________________________________ >>> elephant-devel site list >>> elephant-devel@common-lisp.net >>> http://common-lisp.net/mailman/listinfo/elephant-devel > > <remove-association.patch.gz><20080813055629-e1a60- > e712c0fd8ac5c33c82ec00cfdcb29314d774d158 > .gz>_______________________________________________ > elephant-devel site list > elephant-devel@common-lisp.net > http://common-lisp.net/mailman/listinfo/elephant-devel _______________________________________________ elephant-devel site list elephant-devel@common-lisp.net http://common-lisp.net/mailman/listinfo/elephant-devel
